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26 January 2005 Design of a liquid crystal Fabry-Perot etalon and analysis of resonant mode splitting of a birefringent Fabry-Perot etalon
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Abstract
A new scheme of a liquid crystal Fabry-Perot etalon (LCFPE) had been proposed and designed on the basis of the electronically controlled birefringence of liquid crystal, some main aspects in the LCFPE design had also been considered, and such a birefringent LCFPE element with a free spectral range (FSR) of 125-GHz had been fabricated. An oscillation of 1064-nm single longitudinal mode had been observed when an empty LCFPE (i.e., without liquid crystal material) was inserted in a diode-pumped Nd:YAG laser cavity with an optical length of approximately 43-mm. In addition, the transmitted resonant mode splitting of a birefringent Fabry-Perot etalon had been investigated theoretically, and the dependence of splitting magnitude on the path difference between ordinary light and extra-ordinary light inside the Fabry-Perot resonant cavity had been given. The theoretically analyzed results indicate that the transmitted resonant mode of the birefringent Fabry-Perot etalon can split over a whole FSR, and the splitting magnitude changes linearly with the optical path difference.
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Mingxing Jiao, Ruili Qi, Zaizhou Liu, and Junhong Xing "Design of a liquid crystal Fabry-Perot etalon and analysis of resonant mode splitting of a birefringent Fabry-Perot etalon", Proc. SPIE 5627, High-Power Lasers and Applications III, (26 January 2005); https://doi.org/10.1117/12.575040
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