ISO 19962:2019 PDF

Optics and photonics — Spectroscopic measurement methods for integrated scattering by plane parallel optical elements

Название (английский):

ISO 19962:2019

Optics and photonics — Spectroscopic measurement methods for integrated scattering by plane parallel optical elements

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 20
Дата публикации:: 13 мая 2019 г.
Издание:: ISO IS 19962 edition 1 version 1
ICS:: 17.180.01

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Описание (английский):

This document specifies procedures for determining the spectroscopic forward scattering characteristics of coated and uncoated optical surfaces over a specified wavelength range between 350 nm and 850 nm using a double-beam spectrophotometer with an integrating sphere. This document is also applicable to the forward scattering properties at a single wavelength. This document is applicable to spectroscopic forward scattering measurements with collection angles larger than 2,7 degrees. ISO 13696 provides a measurement method for smaller collection angles.

Технические детали

Технический комитет: ISO/TC 172/SC 1 - Fundamental standards
SKU: ISO 19962:2019

Abstract

Overview

ISO 19962:2019 - "Optics and photonics - Spectroscopic measurement methods for integrated scattering by plane parallel optical elements" specifies a practical spectroscopic method to determine forward scattering of coated and uncoated plane‑parallel optics using a double‑beam spectrophotometer with an integrating sphere. The method covers spectral measurements from 350 nm to 850 nm, and is also applicable at a single wavelength. It applies to measurements with collection angles larger than 2.7°; for smaller collection angles see ISO 13696.

Key technical topics and requirements

Measurement principle: collection and integration of forward scattered radiation via an integrating sphere and detector assembly.
Instrumentation: use of a double‑beam spectrophotometer fitted with appropriate radiation source, optical system, integrating sphere, detector, baffles and light traps to minimize background (remaining scattering).
Measurement parameters: record minimum scattering collection angle (MCA), specimen transmittance, remaining scattering, and scattering with specimen; calculate forward scattering and mean forward scattering.
Operational procedures: specimen preparation and conditioning, specimen mounting, baseline and transmittance measurements, subtraction of remaining scattering, and calculation methods.
Performance and quality control: requirements for performance certification of the spectrophotometer, recommended remaining scattering target (preferably

Overview

Key technical topics and requirements

Measurement principle: collection and integration of forward scattered radiation via an integrating sphere and detector assembly.
Instrumentation: use of a double‑beam spectrophotometer fitted with appropriate radiation source, optical system, integrating sphere, detector, baffles and light traps to minimize background (remaining scattering).
Measurement parameters: record minimum scattering collection angle (MCA), specimen transmittance, remaining scattering, and scattering with specimen; calculate forward scattering and mean forward scattering.
Operational procedures: specimen preparation and conditioning, specimen mounting, baseline and transmittance measurements, subtraction of remaining scattering, and calculation methods.
Performance and quality control: requirements for performance certification of the spectrophotometer, recommended remaining scattering target (preferably

ISO 19962:2019 PDF

Технические детали

Abstract

Overview

Key technical topics and requirements

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Abstract

Overview

Key technical topics and requirements

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