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ISO 15368:2021

Optics and photonics — Measurement of reflectance of plane surfaces and transmittance of plane parallel elements

Mar 26, 2021

General information

90.20     Jan 15, 2026

ISO

ISO/TC 172/SC 1

International Standard

17.180.01  

English   French  

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Scope

This document provides rules for the measurement of the spectral reflectance of plane surfaces and the spectral transmittance of plane parallel elements using spectrophotometers.
This document only applies to measurements of the regular transmittance and the regular reflectance; it does not apply to those of the diffuse transmittance and the diffuse reflectance.
This document is applicable to test samples, which are coated or uncoated optical components without optical power.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 15368:2001

NOW

PUBLISHED
ISO 15368:2021
90.20 Standard under periodical review
Jan 15, 2026

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