ISO 10110-8:2019
Optics and photonics — Preparation of drawings for optical elements and systems — Part 8: Surface texture
This document specifies rules for the indication of the surface texture of optical elements, in the ISO 10110 series, which standardizes drawing indications for optical elements and systems. Surface texture is the characteristic of a surface that can be effectively described with statistical methods. Typically, surface texture is associated with high spatial frequency errors (roughness) and mid-spatial frequency errors (waviness).
This document is primarily intended for the specification of polished optics.
This document describes a method for characterizing the residual surface that is left after detrending by subtracting the surface form. The control of the surface form specified in ISO 10110-5, ISO 10110-12, and ISO 10110-19 is not specified in this document.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Description of surface texture
4.1 General
4.2 Description of matt surfaces
4.3 Description of optically smooth surfaces
4.3.1 Description methods
4.3.2 Rms roughness and rms waviness
4.3.3 Polish grades
4.3.4 Power spectral density (PSD) function
4.3.5 Area power spectral density (APSD) function
4.3.6 Rms slope
4.3.7 Area rms slope
5 Indication in drawings
5.1 General
5.2 Indication for matt surface texture
5.3 Indication for optically smooth surface texture
5.3.1 Optically smooth surface without quantitative modification
5.3.2 Indication of smoothness by polish grade
5.3.3 Indication of rms roughness and rms waviness
5.3.4 Indication of PSD function specification
5.3.5 Indication of APSD function specification
5.3.6 Indication of rms or area rms slope specification
5.3.7 Indication of lay
5.4 Location
Annex A (informative) Relationship between surface texture and scattering characteristic of textured surfaces
Annex B (informative) Examples of indication of surface texture requirements
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Description of surface texture
4.1 General
4.2 Description of matt surfaces
4.3 Description of optically smooth surfaces
4.3.1 Description methods
4.3.2 Rms roughness and rms waviness
4.3.3 Polish grades
4.3.4 Power spectral density (PSD) function
4.3.5 Area power spectral density (APSD) function
4.3.6 Rms slope
4.3.7 Area rms slope
5 Indication in drawings
5.1 General
5.2 Indication for matt surface texture
5.3 Indication for optically smooth surface texture
5.3.1 Optically smooth surface without quantitative modification
5.3.2 Indication of smoothness by polish grade
5.3.3 Indication of rms roughness and rms waviness
5.3.4 Indication of PSD function specification
5.3.5 Indication of APSD function specification
5.3.6 Indication of rms or area rms slope specification
5.3.7 Indication of lay
5.4 Location
Annex A (informative) Relationship between surface texture and scattering characteristic of textured surfaces
Annex B (informative) Examples of indication of surface texture requirements
Bibliography