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

Soon Moon Jeong, Koji Sonoyama, Yoichi Takanishi, Ken Ishikawa, Hideo Takezoe, Suzushi Nishimura, Goro Suzaki, Myoung Hoon Song

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16 Scopus citations

Abstract

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.

Original languageEnglish
Article number241116
JournalApplied Physics Letters
Volume89
Issue number24
DOIs
StatePublished - 2006

Bibliographical note

Funding Information:
This work is partly supported by a Grant-in-Aid for Exploratory Research (16656023) by the Ministry of Education, Science, Sports and Culture and a New Energy Technology Development Organization grant (Project ID 04A24509). The authors acknowledge Merck Japan Ltd. for supplying NLC (ZLI2293) and the chiral dopant (MLC6247).

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