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Optics Letters

Optics Letters


  • Vol. 30, Iss. 2 — Jan. 15, 2005
  • pp: 189–191

Optical phase shifting with acousto-optic devices

Enbang Li, Jianquan Yao, Daoyin Yu, Jiangtao Xi, and Joe Chicharo  »View Author Affiliations

Optics Letters, Vol. 30, Issue 2, pp. 189-191 (2005)

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A novel optical phase-shifting method based on a well-known acousto-optic interaction is proposed. By using a pair of acousto-optic modulators (AOMs) and properly aligning them, we construct an optical phase shifter that can directly control the phase of a collimated beam. The proposed phase shifter is insensitive to the polarization of the incident beam when polarization-insensitive AOMs are used, and no calibration is necessary. The proposed approach is confirmed with experimental results.

© 2005 Optical Society of America

OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(060.5060) Fiber optics and optical communications : Phase modulation
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(230.1040) Optical devices : Acousto-optical devices

Enbang Li, Jianquan Yao, Daoyin Yu, Jiangtao Xi, and Joe Chicharo, "Optical phase shifting with acousto-optic devices," Opt. Lett. 30, 189-191 (2005)

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