Optical cavity with a double-layered cholesteric liquid crystal mirror and its prospective application to solid state laser

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The authors have fabricated an optical cavity with silver (Ag) and double-layered cholesteric liquid crystal (CLC) mirrors facing each other. This CLC mirror consists of left-handed CLC and right-handed CLC films for high light reflection irrespective of polarization states. A single-mode lasing was observed in dye-doped CLC sandwiched between Ag and double-layered CLC mirrors. The authors also fabricated a flexible solid state device with a spin-coated dye molecular film sandwiched between Ag and double-layered CLC mirrors. Amplified spontaneous emission was observed from the solid state device, suggesting a possible structure for a flexible and tunable solid state laser. (c) 2006 American Institute of Physics.
Publisher
AMER INST PHYSICS
Issue Date
2006-12
Language
English
Article Type
Article
Keywords

SEMICONDUCTOR THIN-FILMS; LIGHT-EMITTING-DIODES; LASING ACTION; ENERGY-TRANSFER; THRESHOLD; MICROCAVITIES; EMISSION; POLYMER; BAND; ENHANCEMENT

Citation

APPLIED PHYSICS LETTERS, v.89, pp.443 - 448

ISSN
0003-6951
DOI
10.1063/1.2404937
URI
http://hdl.handle.net/10203/86458
Appears in Collection
RIMS Journal Papers
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