Polarization independent birefringent Fabry-Perot etalon having polarization conversion mirrors |
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| Authors: | I. Abdulhalim |
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| Affiliation: | Department of Electrooptic Engineering, Ben Gurion University of the Negev, Beer Sheva 84105, Israel |
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| Abstract: | Polarization independent operation of birefringent Fabry-Perot etalon is proposed using polarization conversion mirrors (PCMs) as the cavity mirrors. PCMs, such as Faraday mirrors, rotate the polarization plane by 90° upon reflection thus allowing the same phase accumulation for the two eigenwaves after a roundtrip inside the cavity. Based on that when the cavity is filled with an electrooptic material such as a liquid crystal, polarization independent tunable filtering is obtained. |
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