Lasing from Thick Anisotropic Layer Sandwiched between Polymeric Cholesteric Liquid Crystal Films
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概要
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We have demonstrated a new type of lasing mode in a dye-doped 100-μm-thick nematic liquid crystal layer sandwiched between two polymeric cholesteric liquid crystal films functioning as a photonic crystal. The fabricated cell exhibits several characteristic dips in the transmittance spectrum in addition to fine fringes originating from a Fabry–Perot cavity mode. These dips are due to the phase retardation between optical eigenmodes in the birefringent medium, which is not realized in an isotropic layer. The cell shows multimode lasing at wavelengths corresponding to transmittance maxima within the stopband region when the nematic layer is doped with dyes.
- 2005-11-15
著者
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Takanishi Yoichi
Department Of Organic And Polymeric Materials Tokyo Institute Of Technology
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Takezoe Hideo
Department Of Organic And Polymeric Materials Tokyo Institute Of Technology
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西村 涼
慶応義塾大学理工学部
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Park Byoungchoo
Department Of Organic And Polymeric Materials Tokyo Institute Of Technology
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Toyooka Takehiro
Nippon Mitsubishi Oil Corp. Infomaterials & Devices R & D Group
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Nishimura Suzushi
Nippon Oil Corporation Central Technical Research Laboratory
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Ishikawa Ken
Department Of Organic And Polymeric Materials Tokyo Institute Of Technology
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Song Myoung
Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Korea
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ISHIKAWA Ken
Department of Applied Physics, University of Tokyo
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