ISO 11382:2022
Optics and photonics — Optical materials and components — Characterization of optical materials used in the infrared spectral range from 0,78 µm to 25 µm
This document provides guidelines for the description of data sheets for infrared materials. It specifies the nomenclature and the properties of infrared materials which are reported on such data sheets. These data sheets do not necessarily contain information on every property identified in this document.
This document also specifies the parameters needed to characterize optical materials intended for use in the infrared spectral range from 0,78 µm to 25 µm and provides various methods to be used for measuring these parameters.
This document is applicable only to materials used in the manufacture of passive optical components. The properties of materials used in active applications (e.g. optoelectronics) are not taken into account.
Materials specified in this document can also transmit in other spectral domains (microwaves, visible or ultraviolet).
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Nomenclature
5.1 General
5.2 Name
5.3 Manufacturer reference
5.4 Material structure
5.5 Manufacturing process
5.6 Form of nomenclature
6 Optical properties
6.1 General
6.2 Transmittance
6.2.1 Specification to be provided
6.2.2 Temperature dependence
6.3 Absorption coefficient
6.3.1 General
6.3.2 Specification to be provided (to be consistent with 6.5.2)
6.4 Transmittance uniformity
6.4.1 General
6.4.2 Bubbles and inclusions
6.4.3 Local variation of the manufacturing process
6.5 Refractive index
6.5.1 General
6.5.2 Specification reports to be provided
6.6 Refractive index variation
6.7 Dependence of the refractive index on temperature
6.8 Optical homogeneity (homogeneity of refractive index)
6.9 Birefringence
6.9.1 Materials with natural birefringence
6.9.2 Stress birefringence
6.10 Photoelastic constant
6.11 Dispersion
7 Other properties
7.1 General
7.2 Specific gravity
7.3 Molecular weight
7.4 Thermal properties
7.4.1 Thermal conductivity
7.4.2 Thermal expansion
7.4.3 Specific heat
7.4.4 Melting temperature and softening temperature
7.5 Hardness
7.6 Elastic modulus
7.7 Maximum dimensions
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Nomenclature
5.1 General
5.2 Name
5.3 Manufacturer reference
5.4 Material structure
5.5 Manufacturing process
5.6 Form of nomenclature
6 Optical properties
6.1 General
6.2 Transmittance
6.2.1 Specification to be provided
6.2.2 Temperature dependence
6.3 Absorption coefficient
6.3.1 General
6.3.2 Specification to be provided (to be consistent with 6.5.2)
6.4 Transmittance uniformity
6.4.1 General
6.4.2 Bubbles and inclusions
6.4.3 Local variation of the manufacturing process
6.5 Refractive index
6.5.1 General
6.5.2 Specification reports to be provided
6.6 Refractive index variation
6.7 Dependence of the refractive index on temperature
6.8 Optical homogeneity (homogeneity of refractive index)
6.9 Birefringence
6.9.1 Materials with natural birefringence
6.9.2 Stress birefringence
6.10 Photoelastic constant
6.11 Dispersion
7 Other properties
7.1 General
7.2 Specific gravity
7.3 Molecular weight
7.4 Thermal properties
7.4.1 Thermal conductivity
7.4.2 Thermal expansion
7.4.3 Specific heat
7.4.4 Melting temperature and softening temperature
7.5 Hardness
7.6 Elastic modulus
7.7 Maximum dimensions
Bibliography