ISO 9211-2:2024 PDF

Name: ISO 9211-2:2024 — Optics and photonics — Optical coatings — Part 2: Optical properties
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Optics and photonics — Optical coatings — Part 2: Optical properties

Название (английский):

ISO 9211-2:2024

Optics and photonics — Optical coatings — Part 2: Optical properties

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 18
Дата публикации:: 6 февраля 2024 г.
Издание:: ISO IS 9211 edition 3 version 1
ICS:: 37.020

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Описание (английский):

This document indicates how to specify optical properties of coatings and to represent their spectral characterization graphically in the ISO 9211 series, which defines the specifications for optical coatings excluding ophthalmic optics (spectacles). It defines the general characteristics and the test and measurement methods whenever necessary, but is not intended to define the process method.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 9211-2:2024 - Optics and photonics - Optical coatings - Part 2: Optical properties - defines how to specify and represent the spectral optical properties of coatings (excluding ophthalmic spectacles). The third edition standardizes numerical and graphical rules for spectrophotometric characterization, measurement recording, and the minimum optical-property information (transmittance, reflectance, absorption, optical density, phase change, etc.) needed when specifying coatings for optical systems.

Key topics and requirements

Optical properties to specify: τ(λ), ρ(λ), α(λ) (or T(λ), R(λ), A(λ)), D(λ), ΔΦ(λ). Polarization and refractive indices of incident/emergent media must be given when angle of incidence ≠ 0°.

Measurement conditions: Follow ISO 15368, ISO 19962 or equivalent; record angle(s) of incidence, polarization state, spectral range, bandwidth, instrument method and, when relevant, temperature.

Numerical specification rules: Use inequality format (lower ≤ property ≤ upper) with wavelength and angle ranges. Use subscripts “ave” or “avg” for spectral averages. Arrows (→) indicate linear change of limit across a spectral band.

Graphical representation rules: Abscissa = wavelength (nm/µm) or wavenumber; ordinate = optical property values. Show upper/lower tolerance bands (hatched areas) or mark single-wavelength limits with triangles. Multiple spectral regions may be combined; different scales are permitted.

Principal optical functions: Standardized graphical/numerical conventions are provided for Reflecting (RE), Antireflecting (AR), Beam splitting (BS), Attenuating (AT), Filtering (FI), Selecting/Combining (SC), Polarizing (PO), Phase changing (PC), and Absorbing (AB) functions.

Defaults and clarifications: Default wavelength unit = nm; added symbols (T, R, A) and clarified definitions for average spectral characteristics in this edition.

Applications

Writing procurement specifications and acceptance criteria for optical coatings used on mirrors, filters, beam splitters, polarizers, phase plates and absorbers.

Quality control and inspection: defining pass/fail numerical limits and tolerance bands for spectral measurements.

Optical design and system integration: documenting expected spectral behavior (reflectance/transmittance/phase) across angles and polarizations.

Test labs and metrology: standardizing measurement reporting so results are comparable between suppliers and customers.

Related standards

ISO 9211-1 - Vocabulary for optical coatings

ISO 15368 - Measurement of reflectance/transmittance

ISO 19962 - Spectroscopic measurement methods for integrated scattering

Keywords: ISO 9211-2:2024, optical coatings, optical properties, spectrophotometric characterization, reflectance, transmittance, absorption, spectral specification, optics and photonics.

ISO 9211-2:2024 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications

Who uses this standard

Related standards

Технические детали

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