期刊
OPTICS COMMUNICATIONS
卷 279, 期 2, 页码 235-239出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2007.07.038
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A very simple and stable interferometer using a single optical element - a beam-splitter cube - is presented. The device resembles a two-arm interferometer in which the arms are together in one collimated beam, and the two beam halves interfere with the help of the beam-splitter cube. The proposed device produces simultaneously two interferograms with a relative phase-shift of pi (rad). Since the period of straight interference fringes can be stably controlled, the device has potential application in spatial-carrier interferometry and for flexible writing of fiber Bragg gratings. (c) 2007 Elsevier B.V. All rights reserved.
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