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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Publications of ISO/TC 172/SC 9/WG 1

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ISO/TS 22247	2022-04	Pre-standard	Optics and photonics - Effective numerical aperture of laser lenses - Definition and verification procedure More	Order from DIN Media
ISO 11145	2018-11	Standards	Optics and photonics - Lasers and laser-related equipment - Vocabulary and symbols More	Order from DIN Media
ISO 11146-1	2021-07	Standards	Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Part 1: Stigmatic and simple astigmatic beams More	Order from DIN Media
ISO 11146-2	2021-07	Standards	Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Part 2: General astigmatic beams More	Order from DIN Media
ISO 11551	2019-10	Standards	Optics and photonics - Lasers and laser-related equipment - Test method for absorptance of optical laser components More	Order from DIN Media
ISO 11554	2025-06	Standards	Optics and photonics - Lasers and laser-related equipment - Test methods for laser beam radiant power, radiant energy and temporal characteristics More	Order from DIN Media
ISO 11670	2003-04	Standards	Lasers and laser-related equipment - Test methods for laser beam parameters - Beam positional stability More	Order from DIN Media
ISO 11670 Technical Corrigendum 1	2004-05	Standards	Lasers and laser-related equipment - Test methods for laser beam parameters - Beam positional stability; Technical Corrigendum 1 More	Order from DIN Media
ISO 12005	2022-05	Standards	Lasers and laser-related equipment - Test methods for laser beam parameters - Polarization More	Order from DIN Media
ISO 13142	2021-06	Standards	Optics and photonics - Lasers and laser-related equipment - Cavity ring-down method for high-reflectance and high-transmittance measurements More	Order from DIN Media

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