Active stabilization of a Michelson interferometer at an arbitrary phase with subnanometer resolution

被引：16

作者：

Grassani, Davide ^{[1
]}

Galli, Matteo ^{[1
]}

Bajoni, Daniele ^{[2
]}

机构：

[1] Univ Pavia, Dipartimento Fis, I-27100 Pavia, Italy

[2] Univ Pavia, Dipartimento Ingn Ind & Informaz, Pavia, Italy

来源：

OPTICS LETTERS | 2014年 / 39卷 / 08期

关键词：

FIBER INTERFEROMETER;

D O I：

10.1364/OL.39.002530

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the active stabilization of a Michelson interferometer at an arbitrary phase angle with a precision better than 1 degrees at lambda = 632.8 nm, which corresponds to a precision in the optical path difference between the two arms of less than 1 nm. The stabilization method is ditherless, and the error signal is computed from the spatial shift of the interference pattern of a reference laser, measured in real-time with a CCD array detector. We discuss the usefulness of this method for nanopositioning, optical interferometry, and quantum optical experiments. (C) 2014 Optical Society of America

引用

收藏

页码：2530 / 2533

页数：4

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