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interferometer
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 surface and a test surface. The beamsplitter creates the reference and test beams from a single light source.
Media
Videos
Michelson Interferometer Demonstration
A basic explanation of how the interference occur in a Michelson Interferometer and viewing an Interference Circular Pattern.
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See Also
Related Terms
Michelson stellar interferometer
Twyman-Green interferometer
Fizeau interferometer
interferometry
Related Articles
Interferometry
Dynamic Interferometry
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Products & Suppliers
Related Products
Ultra Compact Fizeau /Twyman Green Interferometers for Optical Testing
Fizeau Interferometer
End-Face Interferometer
AccuFiz Fizeau Interferometer
Infrared Interferometry
Related Companies
TRIOPTICS GmbH
4D Technology Corp.
Diffraction International Ltd.
TecOptics, Inc.
Zygo Corp., Metrology Solutions Div.
Precision Solutions, Sub. of MBDA (UK) Ltd.
Related Categories
Fabry-Perot Interferometers
Mach Zehnder Interferometers
Angular and Linear Measuring Interferometers
Fiber Optic Interferometers
Infrared Interferometers
Laser Speckle Interferometers
LUPI Interferometers
Surface Profilers
Twyman-Green Interferometers
Other Interferometers
Phase Contrast Interferometers
Michelson Interferometers
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References
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History
Last Updated:
1/14/2013 11:20:49 AM
interferometric calorimetry
interferography
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