Phase modulation at 125 kHz in a Michelson interferometer using an inexpensive piezoelectric stack driven at resonance

被引：12

作者：

Hoeling, BM ^{[1
]}

Fernandez, AD ^{[1
]}

Haskell, RC ^{[1
]}

Petersen, DC ^{[1
]}

机构：

[1] Harvey Mudd Coll, Dept Phys, Claremont, CA 91711 USA

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2001年 / 72卷 / 03期

关键词：

D O I：

10.1063/1.1347375

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Fast phase modulation has been achieved in a Michelson interferometer by attaching a lightweight reference mirror to a piezoelectric stack and driving the stack at a resonance frequency of about 125 kHz. The electrical behavior of the piezo stack and the mechanical properties of the piezo-mirror arrangement are described. A displacement amplitude at resonance of about 350 nm was achieved using a standard function generator. Phase drift in the interferometer and piezo wobble were readily circumvented. This approach to phase modulation is less expensive by a factor of roughly 50 than one based on an electro-optic effect. (C) 2001 American Institute of Physics.

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收藏

页码：1630 / 1633

页数：4

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