ISO 6760-1:2024

Optics and photonics — Test method for temperature coefficient of refractive index of optical glasses — Part 1: Minimum deviation method

This document specifies the measurement method used for calculating the temperature coefficient of the refractive index by measuring the refractive index, which changes with the temperature of the optical glass using the minimum deviation method. The intended temperature range for the specified measurement method is –40 °C to +80 °C. The intended wavelength range for the specified measurement method is 365 nm to 1 014 nm. The intended accuracy for the specified measurement method is 1 × 10-6 K-1.

Optique et photonique — Méthode d'essai pour déterminer le coefficient de température de l'indice de réfraction des verres optiques — Partie 1: Méthode de la déviation minimale

General Information

• Status: Published
• Publication Date: 05-May-2024
• ICS: 37.020 - Optical equipment
• Technical Committee: ISO/TC 172/SC 3 - Optical materials and components
• Drafting Committee: ISO/TC 172/SC 3 - Optical materials and components
• Current Stage: 6060 - International Standard published
• Start Date: 06-May-2024
• Due Date: 23-Jan-2025
• Completion Date: 06-May-2024

Standards Content (Sample)

International
Standard
ISO 6760-1
First edition
Optics and photonics — Test
2024-05
method for temperature coefficient
of refractive index of optical
glasses —
Part 1:
Minimum deviation method
Optique et photonique — Méthode d'essai pour déterminer le
coefficient de température de l'indice de réfraction des verres
optiques —
Partie 1: Méthode de la déviation minimale
Reference number
ISO 6760-1:2024(en) © ISO 2024

---------------------- Page: 1 ----------------------
ISO 6760-1:2024(en)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland

© ISO 2024 – All rights reserved
ii

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ISO 6760-1:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Measuring apparatus . 3
5.1 Goniometer .3
5.2 Light source .3
5.3 Detector .3
5.4 Thermal chamber .3
6 Specimen prism . 4
7 Measurement . 4
7.1 Measurement of apex angle . .4
7.2 Measurement of the angle of minimum deviation .4
8 Calculation . 5
8.1 Absolute refractive index .
...

DRAFT INTERNATIONAL STANDARD
ISO/DIS 6760-1
ISO/TC 172/SC 3 Secretariat: JISC
Voting begins on: Voting terminates on:
2023-07-11 2023-10-03
Optics and photonics — Test method for temperature
coefficient of refractive index of optical glasses —
Part 1:
Minimum deviation method
Optique et photonique — Méthode d'essai pour déterminer le coefficient de température de l'indice de
réfraction des verres optiques —
Partie 1: Méthode de la déviation minimale
ICS: 37.020
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
This document is circulated as received from the committee secretariat.
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 6760-1:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

---------------------- Page: 1 ----------------------
ISO/DIS 6760-1:2023(E)
DRAFT INTERNATIONAL STANDARD
ISO/DIS 6760-1
ISO/TC 172/SC 3 Secretariat: JISC
Voting begins on: Voting terminates on:

Optics and photonics — Test method for temperature
coefficient of refractive index of optical glasses —
Part 1:
Minimum deviation method
Optique et photonique — Méthode d'essai pour déterminer le coefficient de température de l'indice de
réfraction des verres optiques —
Partie 1: Méthode de la déviation minimale
ICS: 37.020
COPYRIGHT PROTECTED DOCUMENT
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
© ISO 2023
THEREFORE SUBJECT TO CHANGE AND MAY
This document is circulated as received from the committee secretariat.
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
NOT BE REFERRED TO AS AN INTERNATIONAL
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on STANDARD UNTIL PUBLISHED AS SUCH.
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
IN ADDITION TO THEIR EVALUATION AS
or ISO’s member body in the country of the requester. BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
ISO copyright office
USER PURPOSES, DRAFT INTERNATIONAL
CP 401 • Ch. de Blandonnet 8
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
CH-1214 Vernier, Geneva
POTENTIAL TO BECOME STANDARDS TO
Phone: [phone]
WHICH REFERENCE MAY BE MADE IN
Reference number
Email: [e-mail]
NATIONAL REGULATIONS.
Website: www.iso.org ISO/DIS 6760-1:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
Published in Switzerland
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
ii
  © ISO 2023 – All rights reserved
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

---------------------- Page: 2 ----------------------
ISO/DIS 6760-1:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Measuring apparatus . 3
5.1 Goniometer .
...

FINAL DRAFT
International
Standard
ISO/FDIS 6760-1
ISO/TC 172/SC 3
Optics and photonics — Test
Secretariat: JISC
method for temperature coefficient
Voting begins on:
of refractive index of optical
2024-01-30
glasses —
Voting terminates on:
2024-03-26
Part 1:
Minimum deviation method
Optique et photonique — Méthode d'essai pour déterminer le
coefficient de température de l'indice de réfraction des verres
optiques —
Partie 1: Méthode de la déviation minimale
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
ISO/FDIS 6760-1:2024(en) © ISO 2024

---------------------- Page: 1 ----------------------
FINAL DRAFT
ISO/FDIS 6760-1:2024(en)
International
Standard
ISO/FDIS 6760-1
ISO/TC 172/SC 3
Optics and photonics — Test
Secretariat: JISC
method for temperature coefficient
Voting begins on:
of refractive index of optical
glasses —
Voting terminates on:
Part 1:
Minimum deviation method
Optique et photonique — Méthode d'essai pour déterminer le
coefficient de température de l'indice de réfraction des verres
optiques —
Partie 1: Méthode de la déviation minimale
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
COPYRIGHT PROTECTED DOCUMENT
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2024
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland Reference number
ISO/FDIS 6760-1:2024(en) © ISO 2024

© ISO 2024 – All rights reserved
ii

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ISO/FDIS 6760-1:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Measuring apparatus . 3
5.1 Goniometer .3
5.2 Light source .3
5.3 Detector .
...

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ISO /TC 172/SC 3
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Secretariat: JISC
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Date: 2023-12-202024-xx
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Optics and photonics — Test method for temperature coefficient
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ISO/FDIS 6760-1:20232024(E)
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ISO copyright office
ISO 20344, Personal protective equipment — Test methods
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for footwear
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© ISO 2024 – All rights reserved

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ISO/FDIS 6760-1:20232024(E)
Formatted: Font: 11 pt, Bold
Formatted: Font: 11 pt, Bold
Formatted: HeaderCentered, Left, Space After: 0 pt,
Contents
Line spacing: single
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Foreword . v
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Introduction.vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Measuring apparatus . 3
5.1 Goniometer . 3
5.2 Light source .
...