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Surface Roughness
CONTROLS: Quantity and size of periodic defects that comprise surface texture.
RELATED TERMS: Surface Texture, ISO 10110 Part 8, Spatial Frequency
SPECIFICATIONS MUST CONTAIN: Value (RMS or Peak), Spatial Period, and Scan Length
OPTIMAX PREFERRED SPECIFICATION: Value (RMS) plus application relevant spatial period and scan length
REASONS: Supported by ISO, represents most likely bulk surface roughness value
MANUFACTURING STANDARDS: ISO 10110-8, OEOSC 1.0110-8
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Learn from the Experts
Find out more by downloading our technical note on Surface Roughness
Role of Surface Roughness In Optical Performance
This paper examines the role surface roughness plays in optical system performance,
discusses the components of a surface roughness specification, and
contrasts roughness with cosmetic defects.
