Nanometer-Scale Vibration Measurement Using an Optical Quadrature Interferometer based on 3 × 3 Fiber-Optic Coupler

We propose a nanometer-scale displacement or vibration measurement system, using an optical quadrature interferometer and the post-processing technique that extracts the parameters necessary for characterizing the interferometric system. Using a 3 × 3 fiber-optic coupler, the entire complex interfer...

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Hlavní autoři: Soongho Park, Juhyung Lee, Younggue Kim, Byeong Ha Lee
Médium: Artigo
Jazyk:Inglês
Vydáno: MDPI AG 2020-05-01
Edice:Sensors
Témata:
optical quadrature detection
optical interferometer
vibration measurement
displacement measurement
3 × 3 fiber-optic coupler
Lissajous curve
On-line přístup:https://www.mdpi.com/1424-8220/20/9/2665
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