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Self-mixing interference effects of orthogonally polarized dual frequency laser.

Authors
  • Fei, Ligang
  • Zhang, Shulian
Type
Published Article
Journal
Optics Express
Publisher
The Optical Society
Publication Date
Dec 13, 2004
Volume
12
Issue
25
Pages
6100–6105
Identifiers
PMID: 19488252
Source
Medline
License
Unknown

Abstract

The self-mixing interference in birefringent dual frequency laser is systematically studied for the first time. The output intensities of two orthogonal modes are both modulated by external cavity length, and their phase relationship is experimentally and theoretically demonstrated. When frequency difference is greater than line width of homogeneous broadening gain curve, the phase relationship is determined by phase difference of two modes. If the frequency difference is smaller than the line width, modes competion will play an important role. Our results can advance the research of self-mixing interferometer of orthogonally polarized dual frequency laser.

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