Fibre optic interconnecting devices and passive components - Fibre optic fixed filters - Generic specification (IEC 61977:2020); German version EN IEC 61977:2020
Edition 2022-08

Calibration of wavelength/optical frequency measurement instruments - Part 2: Michelson interferometer single wavelength meters (IEC 62129-2:2011); German version EN 62129-2:2011
Edition 2012-03

Cleanrooms and associated controlled environments - Part 8: Assessment of air cleanliness by chemical concentration (ACC) (ISO 14644-8:2022); German version EN ISO 14644-8:2022
Edition 2022-10

Optical atomic spectral analysis - Principles and definitions
Edition 2013-11

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions; German version EN 1793-1:2017
Edition 2017-07

Optics and photonics - Lasers and laser-related equipment - Measurement of phase retardation of optical components for polarized laser radiation (ISO 24013:2023); German version EN ISO 24013:2023
Edition 2023-11

Quartz crystal controlled oscillators - Part 2: Guide to the use of quartz crystal controlled oscillators (IEC 60679-2:1981)
Edition 1997-09

Electric components - Reliability - Reference conditions for failure rates and stress models for conversion (IEC 61709:2011); German version EN 61709:2011
Edition 2012-01

Optics and photonics - Lasers and laser-related equipment - Test methods for laser beam radiant power, radiant energy and temporal characteristics (ISO/DIS 11554:2023); German and English version prEN ISO 11554:2023
Edition 2023-08

Single crystal wafers for surface acoustic wave (SAW) device applications - Specifications and measuring methods (IEC 62276:2016); German version EN 62276:2016
Edition 2017-08