Influence of Optical Feedback from Birefringence External Cavity on Intensity Tuning and Polarization of Laser
作者： Fei Li-Gang , Zhang Shu-Lian , Wan Xin-Jun
DOI: 10.1088/0256-307X/21/10/022
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摘要: The characteristics of intensity tuning and polarization He–Ne laser with optical feedback are studied. When the internal cavity length birefringence is tuned, not only does output vary frequency, but also periodically hops between two orthogonal directions. If phase difference π/2, states alternately oscillate have equal bandwidths within longitudinal mode spacing. times flipping in bandwidth proportional to ratio external length. experimental results explained, potential uses discussed.
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