A New Method in Phase Shift Interferometry──Phase Shift by Frequency Change Using an Acousto-Optic Modulator

[in Chinese]

Journals >Acta Optica Sinica >Volume 15 >Issue 3 >Page 367 > Article

Acta Optica Sinica
Vol. 15, Issue 3, 367 (1995)

A New Method in Phase Shift Interferometry──Phase Shift by Frequency Change Using an Acousto-Optic Modulator

[in Chinese]

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[in Chinese]

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[in Chinese]. A New Method in Phase Shift Interferometry──Phase Shift by Frequency Change Using an Acousto-Optic Modulator[J]. Acta Optica Sinica, 1995, 15(3): 367 Copy Citation Text

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Abstract

A new phase shift interferomentry through changing the frequency is given.An acousto-optic modulator is used as a frequency changer, and the experimental result of the phase shift interference is presented. The method can be used in some phase shift interference where phase shift with piezoelectric ceramics can not be used.

Keywords

acousto-optic modulator phase shift interferometry

[in Chinese]. A New Method in Phase Shift Interferometry──Phase Shift by Frequency Change Using an Acousto-Optic Modulator[J]. Acta Optica Sinica, 1995, 15(3): 367

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