Irregularity – Interferometric Measurement

Controls: Form of actual surface relative to perfect form

Related Terms: Form Error, Sphericity, Flatness

Units: Linear units, wavelengths or half-wavelengths (fringes)

Specification Must Contain: Value (RMS, Peak-to-Valley (P-V) or both) over an aperture

Optimax Preferred Specification: P-V surface error in fringes at HeNe

Reasons: Contributors may be directly targeted

Manufacturing Standards: ISO 10110-5, OEOSC OPI.004

Irregularity-Interferometric-Measurement

For More Information
Optimax's Technical Note on Irregularity

 

24.08.2011

Optimax - Optics Tolerance Attributes

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