Slope efficiency characteristics of mode-hop driven tunable single-mode cholesteric liquid crystal laser

Inoue, Yo; Yoshida, Hiroyuki; Inoue, Kenta; Shiozaki, Yusuke; Kubo, Hitoshi; Fujii, Akihiko; Ozaki, Masanori

doi:info:doi/10.1117/12.893208

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タイトル	Slope efficiency characteristics of mode-hop driven tunable single-mode cholesteric liquid crystal laser
著者	Inoue, Yo Inoue, Yo
	Yoshida, Hiroyuki Yoshida, Hiroyuki
	Inoue, Kenta Inoue, Kenta
	Shiozaki, Yusuke Shiozaki, Yusuke
	Kubo, Hitoshi Kubo, Hitoshi
	Fujii, Akihiko Fujii, Akihiko
	Ozaki, Masanori Ozaki, Masanori
キーワード等	cholesteric liquid crystal laser
	slope efficiency
	single-mode
	tunable laser
	DBR laser
内容	SPIE Photonic Devices + Applications, 2011, San Diego, California, United States
内容	Yo Inoue, Hiroyuki Yoshida, Kenta Inoue, Yusuke Shiozaki, Hitoshi Kubo, Akihiko Fujii, and Masanori Ozaki "Slope efficiency characteristics of mode-hop driven tunable single-mode cholesteric liquid crystal laser", Proc. SPIE 8114, Liquid Crystals XV, 811415 (7 September 2011). DOI: https://doi.org/10.1117/12.893208
抄録	We report tunable single-mode lasing with an improved slope efficiency from a cholesteric liquid crystal (ChLC) cavity with a three-layered structure. The device consists of one photopolymerized ChLC layer with a wide reflection band, another ChLC layer with a notch reflection band and a Rhodamine-6G-doped ionic liquid layer acting as the gain medium. Single-mode lasing can be obtained in this device structure because the ChLC layer with the notch reflection band strongly reflects only one of the Fabry-Perot cavity modes. Tuning of the lasing wavelength is achieved by tuning the reflection band of the notch ChLC. The device showed a maximum slope efficiency of 16%, which was found to be approximately 1.5 times larger than that of ordinary ChLC lasers doped with the pyrromethene 597 laser dye.
公開者	SPIE
掲載誌名	Proceedings of SPIE - the International Society for Optical Engineering
巻	8114
開始ページ	811415
刊行年月	2011-09-07
ISSN	0277786X
NCID	AA10619755
DOI (出版社版)	info:doi/10.1117/12.893208
URL	http://hdl.handle.net/11094/76939
言語	英語
カテゴリ	会議発表論文 Conference Paper

著者版フラグ	publisher
NII資源タイプ	会議発表論文
ローカル資源タイプ	会議発表論文
dcmi資源タイプ	text
DCTERMS.bibliographicCitation	Proceedings of SPIE - the International Society for Optical Engineering.8114 P.811415
DC.title	Slope efficiency characteristics of mode-hop driven tunable single-mode cholesteric liquid crystal laser
DC.creator	Inoue, Yo
	Yoshida, Hiroyuki
	Inoue, Kenta
	Shiozaki, Yusuke
	Kubo, Hitoshi
	Fujii, Akihiko
	Ozaki, Masanori
DC.publisher	SPIE
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	2011-09-07
DC.identifier	info:doi/10.1117/12.893208
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/76939
DC.subject	cholesteric liquid crystal laser
	slope efficiency
	single-mode
	tunable laser
	DBR laser
DC.description	SPIE Photonic Devices + Applications, 2011, San Diego, California, United States
DC.description	Yo Inoue, Hiroyuki Yoshida, Kenta Inoue, Yusuke Shiozaki, Hitoshi Kubo, Akihiko Fujii, and Masanori Ozaki "Slope efficiency characteristics of mode-hop driven tunable single-mode cholesteric liquid crystal laser", Proc. SPIE 8114, Liquid Crystals XV, 811415 (7 September 2011). DOI: https://doi.org/10.1117/12.893208
DCTERMS.abstract	We report tunable single-mode lasing with an improved slope efficiency from a cholesteric liquid crystal (ChLC) cavity with a three-layered structure. The device consists of one photopolymerized ChLC layer with a wide reflection band, another ChLC layer with a notch reflection band and a Rhodamine-6G-doped ionic liquid layer acting as the gain medium. Single-mode lasing can be obtained in this device structure because the ChLC layer with the notch reflection band strongly reflects only one of the Fabry-Perot cavity modes. Tuning of the lasing wavelength is achieved by tuning the reflection band of the notch ChLC. The device showed a maximum slope efficiency of 16%, which was found to be approximately 1.5 times larger than that of ordinary ChLC lasers doped with the pyrromethene 597 laser dye.
citation_title	Slope efficiency characteristics of mode-hop driven tunable single-mode cholesteric liquid crystal laser
citation_author	Inoue, Yo
	Yoshida, Hiroyuki
	Inoue, Kenta
	Shiozaki, Yusuke
	Kubo, Hitoshi
	Fujii, Akihiko
	Ozaki, Masanori
citation_publisher	SPIE
citation_language	英語
citation_date	2011-09-07
citation_journal_title	Proceedings of SPIE - the International Society for Optical Engineering
citation_volume	8114
citation_firstpage	811415
citation_issn	0277786X
citation_doi	info:doi/10.1117/12.893208
citation_public_url	http://hdl.handle.net/11094/76939
citation_keywords	cholesteric liquid crystal laser
	slope efficiency
	single-mode
	tunable laser
	DBR laser

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