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flatness Dictionary Terms
lens blank
A lens blank is a piece of optical material in a raw, unfinished state, typically in the form of a disk or block, from which...
optical figure
The amount by which an optical surface deviates from its ideal design value, expressed in wavelengths of light. Optical...
etalon
An etalon is an optical device that consists of two parallel reflecting surfaces separated by a precise and known distance....
wafer
In the context of electronics and semiconductor manufacturing, a wafer refers to a thin, flat disk or substrate made of a...
mirror testing
The observation and measurement of the flatness of a mirror surface by contacting an optical flat with the mirror. The...
optical manufacturing tools and machinery
Optical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the...
lens testing equipment
Lens testing equipment refers to a range of specialized tools and instruments used to evaluate the optical performance,...
Fizeau fringes
Fizeau fringes are interference fringes observed in an interferometer, specifically in a Fizeau interferometer. The Fizeau...
optical testing instrument
An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...
optical flat
A piece of glass, pyrex or quartz having one or both surfaces carefully ground and polished plano, generally flat to less...
(10 results found)
April 2024
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