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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 13 — Jun. 21, 2010
  • pp: 13593–13599

High efficiency cholesteric liquid crystal lasers with an external stable resonator

Hamidreza Shirvani-Mahdavi, Shima Fardad, Ezeddin Mohajerani, and Shin-Tson Wu  »View Author Affiliations


Optics Express, Vol. 18, Issue 13, pp. 13593-13599 (2010)
http://dx.doi.org/10.1364/OE.18.013593


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Abstract

An amplified cholesteric liquid crystal (CLC) laser performance is demonstrated by utilizing a binary-dye mixture (with 62 wt% DCM and 38 wt% PM597) as the active medium and an external stable resonator. The measured results show that the laser efficiency is enhanced as compared to the highest efficiency of each individual dye. Furthermore, using such an active CLC in an external stable resonator leads to a ~92X improved efficiency over the single CLC laser. In this instance, the binary-dye doped CLC simultaneously functions as laser oscillator and amplifier.

© 2010 OSA

OCIS Codes
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

History
Original Manuscript: May 11, 2010
Revised Manuscript: May 31, 2010
Manuscript Accepted: May 31, 2010
Published: June 9, 2010

Citation
Hamidreza Shirvani-Mahdavi, Shima Fardad, Ezeddin Mohajerani, and Shin-Tson Wu, "High efficiency cholesteric liquid crystal lasers with an external stable resonator," Opt. Express 18, 13593-13599 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-13-13593


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