External anisotropic feedback effects on the phase difference behavior of output intensities in microchip Nd:YAG lasers |
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| Authors: | Yidong Tan Shulian Zhang |
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| Institution: | (1) State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments & Mechanology, Tsinghua University, Room 1204, Building 9003, Beijing, 100084, China |
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| Abstract: | We present the effects of optical feedback from an anisotropic external cavity on the characteristics of the output intensities
in a single mode Nd:YAG laser. Due to the birefringence effect, the external cavity modulates laser intensities in the two
orthogonal directions with a phase difference, which is twice as large as that of the birefringence element in the external
cavity. Experimental results are presented, as well as a theoretical analysis. The potential applications of this phenomenon
are also discussed.
PACS 42.60.Jf; 42.62.Eh; 42.25.Lc; 42.60.By |
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