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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 5 — May. 1, 2006
  • pp: 842–845

Threshold reduction of a tunable organic laser using effective energy transfer

Naoto Tsutsumi and Masaki Yamamoto  »View Author Affiliations


JOSA B, Vol. 23, Issue 5, pp. 842-845 (2006)
http://dx.doi.org/10.1364/JOSAB.23.000842


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Abstract

The paper presents a reliable organic solid-state tunable laser. Distributed-feedback lasing of [3-(2-benzothiazolyl)-7-(diethylamino)coumarin] (Coumarin 6) in a polymeric waveguide was achieved using holographic dynamic gratings. A low-threshold energy of lasing from Coumarin 6 was achieved in a poly(N-vinylcarbazole) (PVCz) matrix waveguide and in a tris(8-quinolinolato)aluminum (Alq) dispersed polystyrene (PS) matrix waveguide. For both PVCz / Coumarin 6 and PS/Alq/ Coumarin 6, the effective energy transfer played a significant role for lowering a lasing threshold. By rotating a Lloyd mirror, simply tunable lasing from 516 to 546 nm was achieved.

© 2006 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.3600) Lasers and laser optics : Lasers, tunable
(160.4890) Materials : Organic materials
(240.0310) Optics at surfaces : Thin films

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 15, 2005
Manuscript Accepted: November 14, 2005

Citation
Naoto Tsutsumi and Masaki Yamamoto, "Threshold reduction of a tunable organic laser using effective energy transfer," J. Opt. Soc. Am. B 23, 842-845 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-5-842

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