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