11 November 2010 Theoretical analysis of the frequency splitting caused by intracavity quartz crystal
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Abstract
Birefringent dual-frequency laser based on frequency splitting technology has been employed to obtain the frequency difference from approximate 40 MHz to several hundreds MHz. In this paper, the mechanism of frequency splitting in birefringent dual-frequency laser with intracavity quartz crystal is analyzed. Beside the birefringence effect, the optical activity of quartz crystal and the self-reproduction of laser are considered. The formulae of the polarization angles and the frequency difference of the two lasing eigen-modes are deduced in detail, and the continuities of their curves are discussed. Based on these formulae, the theoretical curves of polarization angle and frequency difference are calculated, which are consistent well with their experimental curves.
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Zhaohui Hu, Zhaohui Hu, Shulian Zhang, Shulian Zhang, } "Theoretical analysis of the frequency splitting caused by intracavity quartz crystal", Proc. SPIE 7855, Optical Metrology and Inspection for Industrial Applications, 78550P (11 November 2010); doi: 10.1117/12.870681; https://doi.org/10.1117/12.870681
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