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BS ISO 19986:2020

BS ISO 19986:2020

$142.49

Lasers and laser-related equipment. Test method for angle resolved scattering

Published By Publication Date Number of Pages
BSI 2020 24
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This document describes procedures for the determination of the angle resolved scattering by optical components such as coated or uncoated optical elements, photonic structures, and materials that can be transparent, translucent, or opaque. It comprises scattering into the scattering sphere around the specimen usually separated into the backward and forward hemispheres. The procedures apply to wavelengths of radiation ranging from 5 nm in the extreme ultraviolet to 15 µm in the infrared spectral ranges.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols and abbreviated terms
5 Scattering geometry
11 6 Test method
6.1 Principle
6.2 Measurement arrangement and test equipment
6.2.1 General
12 6.2.2 Environmental conditions
6.2.3 Radiation source
13 6.2.4 Beam preparation system
6.2.5 Goniometer
14 6.2.6 Detection system
6.2.7 Specimen preparation
15 7 Procedure
7.1 General
7.2 Alignment procedure
7.2.1 General
7.2.2 Alignment of the instrument
16 7.2.3 Alignment of the specimen
7.3 Calibration
7.3.1 General
7.3.2 Method 1
17 7.3.3 Method 2
7.4 Measurement procedure
18 7.4.1 Selection of specimen position
19 7.4.2 Selection of illumination conditions
7.4.3 Selection of angular scan range
7.4.4 Determination of the ARS
7.5 Uncertainty considerations
20 8 Measurement protocol
22 Bibliography

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BS ISO 19986:2020
$142.49