IEC 61753-143-2:2012

Fibre optic interconnecting devices and passive components - Performance standard - Part 143-2: Optical passive VIPA-based dispersion compensator of single-mode fibre transmission for category C - Controlled environment

IEC 61753-143-2:2012 contains the minimum test and measurement requirements and severity levels that a passive chromatic dispersion compensator (PCDC) using virtually imaged phased array (VIPA) must satisfy in order to be categorized as meeting the IEC standard, category C-controlled environments. Keywords: passive chromatic dispersion compensator (PCDC), using virtually imaged phased array (VIPA), category C

Dispositifs d'interconnexion et composants passifs à fibres optiques - Norme de performance - Partie 143-2: Compensateur de dispersion reposant sur le VIPA passif optique de transmission par fibre unimodale pour la catégorie C - Environnement contrôlé

La CEI 61753-143-2:2012 contient les exigences minimales d'essais et de mesures ainsi que les niveaux de sévérité minimaux auxquels un compensateur de dispersion chromatique passif (PCDC) utilisant un réseau de phase à images virtuelles (VIPA) doit satisfaire afin d'être considéré comme satisfaisant aux critères de la catégorie C-environnements contrôlés, des normes CEI. Mots clés: compensateur de dispersion chromatique passif (PCDC), réseau de phase à images virtuelles (VIPA), catégorie C

General Information

• Status: Published
• Publication Date: 14-Nov-2012
• ICS: 33.180.20 - Fibre optic interconnecting devices
• Technical Committee: SC 86B - Fibre optic interconnecting devices and passive components
• Drafting Committee: WG 7 - TC 86/SC 86B/WG 7
• Current Stage: PPUB - Publication issued
• Start Date: 15-Nov-2012
• Completion Date: 15-Dec-2012

Overview

IEC 61753-143-2:2012 is an international standard established by the International Electrotechnical Commission (IEC). It defines the performance requirements and testing criteria for optical passive VIPA-based dispersion compensators (PCDCs) used in single-mode fibre transmission within category C controlled environments. These passive chromatic dispersion compensators, which utilize the virtually imaged phased array (VIPA) technology, are essential for managing chromatic dispersion (CD) in fibre optic networks, particularly for applications involving single-channel and wavelength division multiplexing (WDM) transmission.

The standard specifies the minimum test and measurement requirements, including severity levels that must be met for products to be classified under category C environments. This ensures the reliability, quality, and interoperability of passive dispersion compensators in critical controlled environmental conditions.

Key Topics

• Passive Chromatic Dispersion Compensator (PCDC): Devices that introduce chromatic dispersion with a sign opposite to the accumulated dispersion of fibre spans, reducing overall CD and improving signal integrity.

• Virtually Imaged Phased Array (VIPA): An optical technology that enables precise dispersion compensation by manipulating wavelength-dependent delays within the fibre transmission.

• Category C - Controlled Environment: Specifies environmental and operational conditions under which the PCDC must perform, typical of controlled indoor telecommunications environments.

• Test and Measurement Standards:

  • Mechanical tests including vibration, shock, cold, dry heat, damp heat, and temperature cycling.
  • Optical tests such as attenuation, polarization dependent loss (PDL), polarization mode dispersion, group delay, and chromatic dispersion measurements.
  • Compliance with IEC 61300 series test procedures related to fibre optic interconnecting devices and passive components.

• WDM Application Specifications: The standard provides detailed test requirements and criteria for both C-band and L-band wavelength regions, crucial for WDM systems.

• Sample Size and Reporting: Guidelines on sample sizes for conformity testing and test report contents ensure consistency across manufacturers and testing bodies.

Applications

IEC 61753-143-2:2012 applies specifically to fibre optic network components designed to compensate chromatic dispersion in single-mode fibre transmission systems in controlled environments. Typical use cases include:

• Telecommunications Backbone Networks: Enhancing signal quality by compensating dispersion in high-speed long-haul WDM systems.

• Data Center Interconnects: Ensuring optimal transmission performance where controlled environments facilitate precise environmental management.

• Optical Regenerator Systems: Supporting intermediate nodes that require dispersion compensation to maintain signal integrity across fibre spans.

• Optical Test and Measurement Equipment: Ensuring factory and field test hardware meet performance standards in controlled settings.

Related Standards

IEC 61753-143-2:2012 works in conjunction with a series of related international standards providing foundational test methods, fibre specifications, and component requirements:

• IEC 60793-2-50: Specifications for class B single-mode optical fibres.
• IEC 61300 Series: Covers test and measurement procedures for fibre optic interconnecting devices and passive components, including environmental and mechanical tests.
• IEC 61753-1: Provides general guidance and performance standards for fibre optic interconnecting devices and passive components.
• IEC 62074-1: Generic specification for fibre optic WDM devices supporting multi-wavelength operations.

Adherence to these standards ensures comprehensive performance evaluation and compatibility in optical fibre communication systems.

---

Keywords: passive chromatic dispersion compensator, PCDC, virtually imaged phased array, VIPA, fibre optic transmission, single-mode fibre, chromatic dispersion compensation, IEC 61753-143-2, category C controlled environment, WDM transmission, optical passive components, fibre optic interconnecting devices, optical network standards.

Standards Content (Sample)

IEC 61753-143-2 ®
Edition 1.0 2012-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components – Performance
standard –
Part 143-2: Optical passive VIPA-based dispersion compensator of single-mode
fibre transmission for category C – Controlled environment

Dispositifs d’interconnexion et composants passifs à fibres optiques – Norme
de performance –
Partie 143-2: Compensateur de dispersion reposant sur le VIPA passif optique
de transmission par fibre unimodale pour la catégorie C – Environnement
contrôlé
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IEC 61753-143-2 ®
Edition 1.0 2012-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components – Performance

standard –
Part 143-2: Optical passive VIPA-based dispersion compensator of single-mode

fibre transmission for category C – Controlled environment

Dispositifs d’interconnexion et composants passifs à fibres optiques – Norme

de performance –
Partie 143-2: Compensateur de dispersion reposant sur le VIPA passif optique

de transmission par fibre unimodale pour la catégorie C – Environnement

contrôlé
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX R
ICS 33.180.20 ISBN 978-2-83220-470-2

– 2 – 61753-143-2  IEC:2012
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions and abbreviations . 7
4 Test . 8
5 Test report . 8
6 Performance requirements . 8
6.1 Reference components . 8
6.2 Dimensions . 9
6.3 Sample size . 9
6.4 Test details and requirements . 9
Annex A (normative) Sample size . 17
Annex B (informative) Virtually imaged phased array (VIPA) Technology . 18
Bibliography . 20

Figure B.1 – Structure of virtually imaged phased array (VIPA) . 18
Figure B.2 – Detailed light path and mechanism of generating chromatic dispersion . 19

Table 1 – Test and requirements for C-band and L-band WDM application . 10
Table 2 – Test and requirements for C-band WDM application . 11
Table 3 – Test and requirements for L-band WDM application . 12
Table 4 – Common test and requirements . 13
Table A.1 – Sample size . 17

61753-143-2  IEC:2012 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING
DEVICES AND PASSIVE COMPONENTS –
PERFORMANCE STANDARD –
Part 143-2: Optical passive VIPA-based dispersion
compensator of single-mode fibre transmission for category C –
Controlled environment
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in
addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
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preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
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Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
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consensus of opinion on the relevant subjects since each technical committee has representation from all
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
International Standard IEC 61753-143-2 has been prepared by subcommittee 86B: Fibre optic
interconnecting devices and passive components, of IEC technical committee 86: Fibre optics.
The text of this standard is based on the following documents:
FDIS Report on voting
86B/3491/FDIS 86B/3535/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

– 4 – 61753-143-2  IEC:2012
A list of all parts in the IEC 61753 series, published under the general title Fibre optic
interconnecting devices and passive components – Performance standard, can be found on the
IEC website.
The committee has decided that the contents of this publication will remain unchanged until the
stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data related to
the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
61753-143-2  IEC:2012 – 5 –
INTRODUCTION
The International Electrotechnical Commission (IEC) draws attention to the fact that it is claimed
that compliance with this document may involve the use of a patent concerning the optical
dispersion compensator given in Clauses 1 to 6. IEC takes no position concerning the evidence,
validity and scope of this patent right.
The holder of this patent right has assured the IEC that he/she is willing to negotiate licences
either free of charge or under reasonable and non-discriminatory terms and conditions with
applicants throughout the world. In this respect, the statement of the holder of this patent right is
registered with IEC. Information may be obtained from:
Fujitsu Limited
Standards Center, Intellectual property unit
1-1, Kamikodanaka 4-chome, Nakahara-ku, Kawasaki-shi, Kanagawa
211-8588 Japan
Attention is drawn to the possibility that some of the elements of this document may be the
subject of patent rights other than those identified above. IEC shall not be held responsible for
identifying any or all such patent rights.
IEC (http://patents.iec.ch) maintains on-line databases of patents relevant to their standards.
Users are encouraged to consult the databases for the most up to date information concerning
patents.
– 6 – 61753-143-2  IEC:2012
FIBRE OPTIC INTERCONNECTING
DEVICES AND PASSIVE COMPONENTS –
PERFORMANCE STANDARD –
Part 143-2: Optical passive VIPA-based dispersion
compensator of single-mode fibre transmission for category C –
Controlled environment
1 Scope
This part of IEC 61753 contains the minimum test and measurement requirements and severity
levels that a passive chromatic dispersion compensator (PCDC) using virtually imaged phased
array (VIPA) must satisfy in order to be categorized as meeting the IEC standard, category
C-controlled environments.
Generally, PCDCs are used to reduce the magnitude of chromatic dispersion (CD) between
regenerators by adding CD to the span that has a sign opposite to the total CD of the fibre cable
and components. The requirements cover non-connectorized PCDCs used in single-channel
transmission and wavelength division multiplexing (WDM) transmission in single-mode fibres
(IEC 60793-2-50 B1/B2/B4).
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and
are indispensable for its application. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
IEC 60793-1 (all parts), Optical fibres – Measurement methods and test procedures
IEC 60793-2-50, Optical fibres – Part 2-50: Product specifications – Sectional specification for
class B single-mode fibres
IEC 61300 (all parts), Fibre optic interconnecting devices and passive components – Basic test
and measurement procedures
IEC 61300-2-1, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 2-1: Tests – Vibration (sinusoidal)
IEC 61300-2-4, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 2-4: Tests – Fibre/cable retention
IEC 61300-2-9, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 2-9: Tests – Shock
IEC 61300-2-17, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 2-17: Tests – Cold
IEC 61300-2-18, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 2-18: Tests – Dry heat – High temperature endurance

61753-143-2  IEC:2012 – 7 –
IEC 61300-2-19, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 2-19: Tests – Damp heat (steady state)
IEC 61300-2-22, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 2-22: Tests – Change of temperature
IEC 61300-2-42, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 2-42: Tests – Static side load for connectors
IEC 61300-2-44, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 2-44: Tests – Flexing of the strain relief of fibre optic devices
IEC 61300-3-2, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 3-2: Examination and measurements – Polarization dependent
loss in a single-mode fibre optic device
IEC 61300-3-4, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 3-4: Examinations and measurements – Attenuation
IEC 61300-3-7, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 3-7: Examinations and measurements – Wavelength
dependence of attenuation and return loss of single mode components
IEC 61300-3-32, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 3-32: Examinations and measurements – Polarization mode
dispersion measurement for passive optical components
IEC 61300-3-38, Fibre optic interconnecting devices and passive components – Basic test and
measurement procedures – Part 3-38: Examinations and measurements – Group delay,
chromatic dispersion and phase ripple
IEC 61753-1, Fibre optic interconnecting devices and passive components performance
standard – Part 1: General and guidance for performance standards
IEC 62074-1, Fibre optic interconnecting devices and passive components – Fibre optic WDM
devices – Part 1: Generic specification
3 Terms, definitions and abbreviations
For the purposes of this document, the following terms, definitions and abbreviations apply.
3.1 Terms and definitions
3.1.1
chromatic dispersion
CD
derivative of group delay with respect to wavelength or frequency
Note 1 to entry: A typical unit is ps/nm or ps/GHz. The chromatic dispersion generally varies with the operating
wavelength.
3.1.2
polarization dependent loss
PDL
maximum variation of insertion loss due to a variation of the state of polarization (SOP) over all
the SOPs
– 8 – 61753-143-2  IEC:2012
3.1.3
wavelength dependent loss
WDL
maximum variation of the insertion loss over operating wavelength range
3.1.4
polarization mode dispersion
PMD
when an optical signal passes through an optical fibre, component or subsystem, the change in
the shape and width of the pulse due to the average delay of the travelling time between the two
principal states of polarization (PSP), differential group delay (DGD), and/or to the waveform
distortion for each PSP, is called PMD
Note 1 to entry: PMD, together with polarization dependent loss (PDL) and polarization dependent gain (PDG), when
applicable, may introduce waveform distortion leading to unacceptable bit error rate increase.
3.2 Abbreviations
CD Chromatic dispersion
DGD Differential group delay
FWHM Full width at half maximum
PCDC Passive chromatic dispersion compensator
PDL Polarization dependent loss
PMD Polarization mode dispersion
PSP Principal states of polarization
SMF Single mode fibres
SOP State of polarization
VIPA Virtually imaged phased array
WDL Wavelength dependent loss
WDM Wavelength division multiplexing
4 Test
All test methods are in accordance with IEC 61300.
The samples shall be terminated onto single mode fibres specified according to the relevant
IEC classification for single mode fibres (SMF) (IEC 60793-1 series).
All tests shall be carried out to validate performance over the required optical pass bands, as
defined in IEC 62074-1. Single or multiple pass bands corresponding to the PCDC specifications
can be chosen for the qualification and differing target specifications may be assigned to each
pass band.
5 Test report
Fully documented test reports and supporting evidence shall be prepared and be available for
inspections as evidence that the tests have been carried out and complied with.
6 Performance requirements
6.1 Reference components
The testing for these components does not require the use of reference components.

61753-143-2  IEC:2012 – 9 –
6.2 Dimensions
Dimensions shall comply with either an appropriate IEC interface standard or with those given in
appropriate manufacturing drawings, where the IEC interface standard does not exist or cannot
be used.
6.3 Sample size
Sample sizes for the tests are defined in Annex A.
6.4 Test details and requirements
The requirements are given only for dispersion compensator. For connectorized components,
the connector performances shall be in compliance with IEC 61753-1. Tables 1 to 4 give test
details and requirements for these devices.

– 10 – 61753-143-2  IEC:2012
Table 1 – Test and requirements for C-band and L-band WDM application
No Tests Requirements Details
1 Chromatic Chromatic dispersion is specified for the The deviation of chromatic
dispersion deviation operational wavelength range. dispersion shall be determined as
the worst case over the operational
IEC 61300-3-38
wavelength range.
100 GHz spacing type
|CD| < 500 ps/nm (FWHM; 50 GHz)
|CD| < 1 200 ps/nm(FWHM; 40 GHz)

200 GHz spacing type
|CD| < 400 ps/nm (FWHM; 60 GHz)

The deviation of chromatic dispersion:
≤ 5 % of the nominal chromatic dispersion value
2 Insertion loss ≤ 9,5 dB Fibre lengths of PCDC pigtail:
≥ 1,5 m.
IEC 61300-3-4 (not including the optical circulator)

IEC 61300-3-7
The insertion loss shall be
determined as the worst case over
the operational wavelength range.
3 PDL The PDL shall be determined as the
≤ 0,6 dB
worst case over all polarization
IEC 61300-3-2
states for the operation wavelength
range.
Method 1
4 WDL Fibre lengths of PCDC pigtail:
≤ 1,5 dB
≥ 1,5 m
IEC 61300-3-4
IEC 61300-3-7
5 PMD ≤ 0,8 ps |CD| < 500 ps/nm The PMD shall be determined as the
worst case over all polarization
IEC 61300-3-32
≤ 1,5 ps |CD| < 1 800 ps/nm
states for the operation wavelength
range.
CD is the nominal chromatic dispersion with a
unit of ps/nm.
NOTE Operating wavelength range: C-band 1 530 nm to 1 565 nm, L-band 1 565 nm to 1 625 nm.

61753-143-2  IEC:2012 – 11 –
Table 2 – Test and requirements for C-band WDM application
No Tests Requirements Details
1 Chromatic Chromatic dispersion is specified for the The deviation of chromatic
dispersion deviation operational wavelength range. dispersion shall be determined as

the worst case over the operational
IEC 61300-3-38
wavelength range.
100 GHz spacing type
|CD| < 500 ps/nm (FWHM; 50 GHz)
|CD| < 1 200 ps/nm(FWHM; 40 GHz)

200 GHz spacing type
|CD| < 400 ps/nm (FWHM; 60 GHz)

The deviation of chromatic dispersion:
≤ 5 % of the nominal chromatic dispersion value
2 Insertion loss ≤ 9,5 dB Fibre lengths of PCDC pigtail:
≥ 1,5 m.
IEC 61300-3-4 (not including the optical circulator)

IEC 61300-3-7
The insertion loss shall be
determined as the worst case over
the operational wavelength range.
3 PDL The PDL shall be determined as the
≤ 0,6 dB
worst case over all polarization
IEC 61300-3-2
states for the operation wavelength
range.
Method 1
4 WDL Fibre lengths of PCDC pigtail:
≤ 0,85 dB
≥ 1,5 m
IEC 61300-3-4
IEC 61300-3-7
5 PMD The PMD shall be determined as the
≤ 0,8ps |CD| < 500 ps/nm
worst case over all polarization
IEC 61300-3-32
≤ 1,5ps |CD| < 1 800 ps/nm
states for the operation wavelength
range.
CD is the nominal chromatic dispersion with a
unit of ps/nm.
NOTE Operating wavelength range: C-band 1 530 nm to 1 565 nm.

– 12 – 61753-143-2  IEC:2012
Table 3 – Test and requirements for L-band WDM application
No Tests Requirements Details
1 Chromatic Chromatic dispersion is specified for the The deviation of chromatic
dispersion deviation operational wavelength range. dispersion shall be determined as

the worst case over the operational
IEC 61300-3-38
wavelength range.
100 GHz spacing type
|CD| < 500 ps/nm (FWHM; 50 GHz)
|CD| < 1 200 ps/nm(FWHM; 40 GHz)

200 GHz spacing type
|CD| < 400 ps/nm (FWHM; 60 GHz)

The deviation of chromatic dispersion:
≤ 5 % of the nominal chromatic dispersion value
2 Insertion loss ≤ 9,5 dB Fibre lengths of PCDC pigtail:
≥ 1,5 m.
IEC 61300-3-4 (not including the optical circulator)

IEC 61300-3-7
The insertion loss shall be
determined as the worst case over
the operational wavelength range.
3 PDL The PDL shall be determined as the
≤ 0,6 dB
worst case over all polarization
IEC 61300-3-2
states for the operation wavelength
range.
Method 1
4 WDL Fibre lengths of PCDC pigtail:
≤ 0,85 dB
≥ 1,5 m
IEC 61300-3-4
IEC 61300-3-7
5 PMD The PMD shall be determined as the
≤ 0,8ps |CD| < 500ps/nm
worst case over all polarization
IEC 61300-3-32
≤ 1,5ps |CD| < 1 800ps/nm
states for the operation wavelength
range.
CD is the nominal chromatic dispersion with a
unit of ps/nm.
NOTE Operating wavelength range: L-band 1 565 nm to 1 625 nm.

61753-143-2  IEC:2012 – 13 –
Table 4 – Common test and requirements (1 of 4)
No Tests Requirements Details
1 Damp heat During the test the limits of test No. 1 and 2 in
Temperature: 40 ± 2 °C.
(steady state) Table 1, Table 2 or Table 3 shall be met.
+
Moreover on completion of the test the 2
Relative humidity: 93 % .
IEC 61300-2-19 −
insertion loss of the devices shall be within
± 0,5 dB of the original value at ambient
Duration of exposure: 96 h.
conditions.
Specimens shall be optically
functioning:
Insertion loss shall be measured
before, during (at a maximum interval of
1 h) and after the test. Chromatic
dispersion shall be measured before
and after the test.
Preconditioning procedure:
Before the test, specimens shall be
maintained at room temperature
conditions for 2 h.
Recovery procedure:
After the test, specimens shall be
maintained at room temperature
conditions for 2 h.
2 Change of During the test, the limits of test No. 1 and 2 in
High temperature: 60 ± 2 °C.
temperature Table 1, Table 2 or Table 3 shall be met.
Low temperature: – 10 ± 2 °C.
Moreover on completion of the test the
IEC 61300-2-22
insertion loss of the devices shall be within
Duration at extreme temperature:
± 0,5 dB of the original value at ambient

60 min.
conditions.
Temperature rate of change: ≥ 1 °C/min

Number of cycles: 5.
Specimens shall be optically
functioning:
Insertion loss shall be measured
before, during (at a maximum interval of
10 min) and after the test. Chromatic
dispersion shall be measured before
and after the test.
Preconditioning procedure:
Before test, specimens shall be
maintained at room temperature
conditions for 2 h.
Recovery procedure:
After test, specimens shall be
maintained at room temperature
conditions for 2 h.
– 14 – 61753-143-2  IEC:2012
Table 4 (2 of 4)
No Tests Requirements Details
3 High temperature During the test the limits of test No. 1 and 2 in
High temperature: 60 ± 2 °C
endurance Table 1, Table 2 or Table 3 shall be met.
Duration of exposure: 96 h
Moreover, on completion of the test the
IEC 61300-2-18
insertion loss of the devices shall be within

± 0,5 dB of the original value at ambient

Specimens shall be optically
conditions.
functioning:
Insertion loss shall be measured before,
during (at a maximum interval of
10 min) and after the test. Chromatic
dispersion shall be measured before
and after the test.
Preconditioning procedure:
Before test, specimens shall be
maintained at room temperature
conditions for 2 h.
Recovery procedure:
after test, specimens shall be
maintained at room temperature
conditions for 2 h.
4 Cold During the test the limits of test No. 1 and 2 in
Temperature: -10 ± 2 °C
Table 1, Table 2 or Table 3 shall be met.
IEC 61300-2-17 Duration of exposure: 96 h
Moreover on completion of the test the
insertion loss of the devices shall be within

± 0,5 dB of the original value at ambient
conditions. Specimens shall be optically
functioning:
Insertion loss shall be measured before,
during (at a maximum interval of
10 min) and after the test. Chromatic
dispersion shall be measured before
and after the test.
Preconditioning procedure:
Before test, specimens shall be
maintained at room temperature
conditions for 2 h.
Recovery procedure:
After test, specimens shall be
maintained at room temperature
conditions for 2 h.
61753-143-2  IEC:2012 – 15 –
Table 4 (3 of 4)
No Tests Requirements Details
5 Vibration The limits of test No. 1 and 2 in Table 1, Table 2 Frequency range: 10 to 55 Hz.
(sinusoidal) or Table 3 shall be met before and after the test.
Duration per axis: 20 min.
On completion of the test the insertion loss of
IEC 61300-2-1
the devices shall be within ± 0,5 dB of the
Number of axis: 3 orthogonal.
original value.
Number of sweeps (10-55-10 Hz):

12 per axis
Vibration amplitude: 1,52 mm
(or max. of 20 G).
Specimens shall not be actively
monitored during the test:
Insertion loss and chromatic dispersion
shall be measured before and after the
test.
6 Shock The limits of test No. 1 and 2 in Table 1, Table 2 50 g, 3 axes, 2 directions, 2 shocks per
or Table 3 shall be met before and after the test. direction.
IEC 61300-2-9
On completion of the test the insertion loss of
12 shocks total.
the devices shall be within ± 0,5 dB of the

original value.
Nominal 1 ms duration, half sine pulse.
Specimens shall not be actively
monitored during the test.
Insertion loss and chromatic dispersion
shall be measured before and after the
test.
7 Fibre/cable The limits of test No. 1 and 2 in Table 1, Table 2 Magnitude and rate of application of the
retention or Table 3 shall be met. The insertion loss of the tensile load:
(see Note 1)
devices shall be within ± 0,5 dB of the original
10 N ± 1 N at a speed of 0,5 N/s for
value.
IEC 61300-2-4 reinforced cable.

5 N ± 0,5 N at a speed of 0,5 N/s for
buffered fibres.
Point of application of tensile load:
0,3 m from the end of the device.

Duration of the test (maintaining the
load):
120 s at 10 N and 60 s at 5 N.

Sampling rate:
Insertion loss shall be measured at least
once after the load has reached its
maximum level and been maintained for
a minimum period of 30 s.
Insertion loss shall be measured before,
during and after the test, while chromatic
dispersion shall be measured before and
after the test.
– 16 – 61753-143-2  IEC:2012
Table 4 (4 of 4)
No Tests Requirements Details
8 Static side load The limits of test No. 1 and 2 in Table 1, Table Magnitude and duration of the tensile
(see Notes 1 and 2 or Table 3 shall be met. The insertion loss of load:
2)
the devices shall be within ± 0,5 dB of the
5 N for 5 s min. for reinforced cable.
original value.
IEC 61300-2-42
2,3 N for 5 s min. for buffered fibres.

Point of application of tensile load:
0,3 m from the end of the device and two
mutually perpendicular directions as
permitted by the product design.

Specimens shall not be actively
monitored during the test:
Insertion loss and chromatic dispersion
shall be measured before and after the
test.
9 Optical fibre cable The limits of test No. 1 and 2 in Table 1, Table Magnitude of the tensile load:
flexing 2 or Table 3 shall be met. The insertion loss of
2 N for reinforced cable.
the devices shall be within ± 0,5 dB of the
IEC 61300-2-44
original value.
Cycle: ± 90 °.
Number of cycles: 30.
Specimens shall not be actively
monitored during the test:
Insertion loss and chromatic dispersion
shall be measured before and after the
test.
NOTE 1 These tests should be applicable to PCDCs which incorporate fibre or fibre cable pigtails in their product
design.
NOTE 2 Static side load should be applied in two mutually perpendicular directions as permitted by the product
design. For example, a product with a base plate extending beyond the fibre exit may prohibit loading in that
direction.
61753-143-2  IEC:2012 – 17 –
Annex A
(normative)
Sample size
Table A.1 gives sample sizes.
Table A.1 – Sample sizes
Item Test Sample Source
size
1 Chromatic dispersion deviation 12 New
2 Insertion loss 12 Test 1
3 PDL 12 Test 2
4 WDL 12 Test 3
5 PMD 12 Test 4
6 Damp heat (steady state) 6 Test 5
7 Change of temperature 6 Test 5
8 High temperature endurance 6 Test 5
9 Cold 6 Test 5
10 Vibration(sinusoidal) 6 Test 5
11 Shock 6 Test 5
12 Fibre/cable retention 6 Test 5
13 Static side load 6 Test 5
14 Optical fibre cable flexing 6 Test 5

– 18 – 61753-143-2  IEC:2012
Annex B
(informative)
Virtually imaged phased array (VIPA) technology

Figure B.1 shows the structure of virtually imaged phased array (VIPA). The input light from a
single-mode fibre is line-focused into a glass plate. The glass plate is coated on both sides and
collimated light is emitted from the reverse side of the glass after multiple reflections in the glass
plate. The light from the glass plate is focused onto a curved mirror. The reflected light travels
back to the glass plate and is finally coupled to the fibre.

Glass plate
Shorter λ
Collimating
lens 3-dimensional mirror
D > 0
c
X-axis
Focusing
Line-focusing
Optical
lens
Longer λ
D < 0
lens
circulator c
IEC  2224/09
Figure B.1 – Structure of virtually imaged phased array (VIPA)
Figure B.2 shows the detailed light path. Each time the light is reflected at the right surface of the
glass plate, several per cent of the power passes through the reflection coating. This creates
multiple beams which seem to diverge from the corresponding beam waist in the virtual image.
The interference of these diverging beams generates collimated light. This collimated light
travels at an angle which varies with the wavelength.
Chromatic dispersion, i.e. the wavelength dependence of travelling distance, is decided by the
wavelength dependence of the pointing angle of collimated light from the glass plate and the
surface profile of the reflection mirror. The convex mirror produces negative chromatic
dispersion and the concave mirror produces positive chromatic dispersion.
Figure B.1 shows that the collimated light (grey line area on the surface of the 3-D mirror)
reflects along the concave mirror surface, which produces positive chromatic dispersion. By
shifting the position of the 3-D mirror along the X-axis, the collimated light can also reflect along
the convex mirror surface, which produces negative chromatic dispersion. If the surface profile
of the 3-D mirror is designed such that the curvature of the mirror surface is gradually changed
along the X-axis, the chromatic dispersion can be easily changed by shifting of the 3-D mirror
position along the X-axis.
61753-143-2 © IEC:2012 – 19 –
a f
ff
aa
Focusing lens
FocusinFocusingg lens lens
Shorter wavelength
Glass plate
GGllasasss Plate Plate ShorteShorter wr waavveelelennggtthh
3-dimensional mirror
33--didimemensnsiioonnaall
MirroMirrorr
yyy
R = 100 %
R=10R=1000%%
q
qq
Centre beam waist
CenteCenterr beam beam wwaaiisstt
h = dC(y)/dy
hhh=d=d=dC(C(C(y)y)y)/d/d/dyyy
Incident angle i
IInnciciddeentnt aannglglee
ii
c(y)
c(yc(y))
Input light
IInput linput lighghtt
Longer wavelength
Longer wLonger waavveelleengthngth
Line-focusing lens
LinLinee-focusing-focusing l leennss
Middle wavelength
MiMiddle wddle waavveelleengthngth
R~98 %
AR (R~0 %)
R~98R~98%%
ARAR ( (RR~~00%)%)
IEC  2115/12
Figure B.2 – Detailed light path and mechanism of generating chromatic dispersion

– 20 – 61753-143-2  IEC:2012
Bibliography
IEC 61978-1, Fibre optic interconnecting devices and passive components – Fibre optic passive
chromatic dispersion compensators – Part 1: Generic specification
ITU-T Supplement N.39, Optical system design and engineering considerations (10/2003)
ITU-T Recommendation G.671, Transmission characteristics of optical components and
subsystems
_____________
– 22 – 61753-143-2  CEI:2012
SOMMAIRE
AVANT-PROPOS . 23
INTRODUCTION . 25
1 Domaine d’application . 26
2 Références normatives . 26
3 Termes, définitions et abréviations . 27
4 Essai . 29
5 Rapport d'essais . 29
6 Exigences de performance . 29
6.1 Composants de référence. 29
6.2 Dimensions . 29
6.3 Nombre d’échantillons . 29
6.4 Détails et exigences d’essai . 29
Annexe A (normative) Nombre d'échantillons . 37
Annexe B (informative) Technologie du réseau de phase à images virtuelles (VIPA) . 38
Bibliographie . 40

Figure B.1 – Structure du réseau de phase à images virtuelles (VIPA) . 38
Figure B.2 – Chemin détaillé du rayonnement lumineux et mécanisme de génération de
la dispersion chromatique . 39

Tableau 1 – Essai et exigences pour applications WDM en bande C et en bande L . 30
Tableau 2 – Essai et exigences pour application WDM en bande C . 31
Tableau 3 – Essai et exigences pour application WDM en bande L . 32
Tableau 4 – Exigences et éssais communs . 33
Tableau A.1 – Nombre d'échantillons . 37

61753-143-2  CEI:2012 – 23 –
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
DISPOSITIFS D’INTERCONNEXION ET
COMPOSANTS PASSIFS À FIBRES OPTIQUES –
NORME DE PERFORMANCE –
Partie 143-2: Compensateur de dispersion reposant sur le VIPA passif
optique de transmission par fibre unimodale pour la catégorie C –
Environnement contrôlé
AVANT-PROPOS
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