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Interferometer

Photonics.com
Jun 2016
Apre InstrumentsRequest Info
 
TUCSON, Ariz., June 15, 2016 — Äpre Instruments offers the S100 HR laser Fizeau interferometer for optical manufacturing. The system offers the affordability of a continuous zoom interferometer with the performance of a modern imaging system. It is designed for accurate metrology of highly sloped surfaces and fine resolution of midspatial frequencies.

The system features diffraction-limited, 4-MP imaging, better than λ/20 accuracy, even at 8 fringes/mm slopes. Using the company’s REVEAL software, the S100 HR can provide custom reports in as few as 6 s.


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GLOSSARY
interferometer
An instrument that employs the interference of lightwaves to measure the accuracy of optical surfaces; it can measure a length in terms of the length of a wave of light by using interference phenomena based on the wave characteristics of light. Interferometers are used extensively for testing optical elements during manufacture. Typical designs include the Michelson, Twyman-Green and Fizeau interferometers. The basic interferometer components are a light source, a beamsplitter, a reference...
metrology
The science of measurement, particularly of lengths and angles.
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