Calibration of optical phase shifter using a Michelson interferometer

Wanfang Shi; Donald Tipton; Russell G. May; Richard O. Claus

doi:10.1117/12.251872

23 September 1996 Calibration of optical phase shifter using a Michelson interferometer

Wanfang Shi, Donald Tipton, Russell G. May, Richard O. Claus

Proceedings Volume 2885, Holographic Optical Elements and Displays; (1996) https://doi.org/10.1117/12.251872
Event: Photonics China '96, 1996, Beijing, China

Abstract

A method to calibrate an optical phase shifter used for digital speckle pattern interferometry was developed by using a Michelson interferometer and electronic charge- coupled device array camera. The phase shifter was constructed by attaching a mirror to an axially-poled lead zirconate titanate piezoelectric actuator. The results showed that for the particular piezoelectric actuator used, an applied voltage of 240 volts shifted the phase by 2 (pi) , and the application of increments of voltage in steps of 60 volts from 0 to 240 volts generated four steps of equal phase shift. The tests indicate that the phase shifter is well suited for digital speckle pattern interferometry, due to the good linearity of the phase shift with applied voltage.

Citation Download Citation

Wanfang Shi, Donald Tipton, Russell G. May, and Richard O. Claus "Calibration of optical phase shifter using a Michelson interferometer", Proc. SPIE 2885, Holographic Optical Elements and Displays, (23 September 1996); https://doi.org/10.1117/12.251872

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