WG 1 - TC 76/WG 1

IEC TS 60825-20:2025 provides radiation safety requirements (normative) and guidelines (informative) for the consideration of faults for Class 1 laser devices with laser radiation directed towards the eyes or face. Requirements for the safety of the nominal emission are not in the scope of this document.
Examples:
− devices with laser light facial or ocular recognition;
− virtual reality headsets or glasses;
− devices with gesture tracking via eye or facial movements;
− driver surveillance cameras;
− full body scanners (including eyes, face, and body).
Products exempted from this document include:
− medical and ophthalmic devices;
− automotive (lidars), lamps;
− laser applications where the laser is used in a professional (non-consumer) setting and is intended for direct or long-time exposure of the eyes or face.
This document provides normative requirements and informative guidelines for:
− radiation safety analysis;
− production-line testing;
− hazard analysis for laser radiation emissions (using a modified safety-focused FMEA approach)
NOTE all subsequent references to FMEA in this document refers to this safety-focused FMEA approach.
− examples of typical failure modes and mitigation techniques

IEC TS 60825-19:2024 specifies the velocity-dependent closest points of human access (VCPHA) for the classification of moving platform laser products when considering the movement of the platform with respect to a stationary frame of reference. This presupposes that the inherent kinetic hazard of the moving platform creates a zone in which persons would not be reasonably expected to be located. Additionally, it takes neighbouring moving platforms into account by defining stationary and moving apertures. This document is applicable to all laser products whose laser apertures are on a moving platform.
Laser products are sometimes used on moving platforms. Currently the standard IEC 60825-1:2014 considers only a stationary aperture; it does not address the situations where the emitting aperture is mounted on a platform, such as a vehicle, that can be in motion. Failure to consider the effects of the motion of the platform can result in overly restrictive assessment of the hazard.
Although accounting for a platform’s movement during the assessment of a laser product’s classification can lead to less restrictive measurement conditions, it is important not to overlook that there can be apertures, even on other moving platforms, moving at a relative speed of zero or close to zero with respect to the moving platform laser product being classified.

Deals with the safety of laser products. Covers laser radiation in the wavelength range 180 nm to 1 mm, indicates safe working levels of laser radiation and introduces a system of classification of lasers and laser products according to their degree of hazard. Replaces IEC 60825 (1984) and IEC 60820 (1986). Has the status of a group safety publication in accordance with IEC Guide 104.