# ISO 11551:2019 — Withdrawn and superseded ISO standards

For ISO 11551:2019, item title is Optics and photonics — Lasers and laser-related equipment — Test method for absorptance of optical laser components; replacement named by the register is ISO 11551:2026; publication date is 2019-11-05, verified against its source on 2026-09-14.

- **Identifier:** ISO 11551:2019 _(verified: appears in the quote below)_
- **Item title:** Optics and photonics — Lasers and laser-related equipment — Test method for absorptance of optical laser components _(verified: appears in the quote below)_
- **Replacement named by the register:** ISO 11551:2026 _(verified: appears in its own passage below)_
- **Publication date:** 2019-11-05 _(verified: appears in the quote below)_

## What the source says

> 69228,IS,,ISO 11551:2019,Optics and photonics — Lasers and laser-related equipment — Test method for absorptance of optical laser components,Optique et photonique — Lasers et équipements associés aux lasers — Méthode d'essai du facteur d'absorption des composants optiques pour lasers,2019-11-05,3,['31.260'],ISO/TC 172/SC 9,9599,[32097],[90409],"['en','fr']",16

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Replacement named by the register

> 90409,IS,,ISO 11551:2026,Optics and photonics — Lasers and laser-related equipment — Test method for absorptance of optical laser components,Optique et photonique — Lasers et équipements associés aux lasers — Méthode d'essai du facteur d'absorption des composants optiques pour lasers,2026-08-20,4,['31.260'],ISO/TC 172/SC 9,6060,[69228],,"['en','fr']",18

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-09-14. Review by: 2027-03-13.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).