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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 7 — Apr. 4, 2005
  • pp: 2358–2363

Light controllable tuning and switching of lasing in chiral liquid crystals

Peter V. Shibaev, R. Lea Sanford, Daniel Chiappetta, Valery Milner, Azriel Genack, and Alexei Bobrovsky  »View Author Affiliations

Optics Express, Vol. 13, Issue 7, pp. 2358-2363 (2005)

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A new approach based on the use of cholesteric liquid crystals (CLCs) and dye-doped light-sensitive chiral dopants was employed to create lasing materials with reversible tuning and switching. The lasing wavelength of optically-pumped dye-doped cholesteric liquid crystals (CLCs) is shifted by irradiation with UV light. The shift depends on the UV light exposure. Lasing is switched off at high levels of UV light irradiation. A qualitative model describing different lasing regimes is proposed.

© 2005 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(310.3840) Thin films : Materials and process characterization
(310.6860) Thin films : Thin films, optical properties

ToC Category:
Research Papers

Original Manuscript: December 20, 2004
Revised Manuscript: March 12, 2005
Published: April 4, 2005

Peter Shibaev, R. Sanford, Daniel Chiappetta, Valery Milner, Azriel Genack, and Alexei Bobrovsky, "Light controllable tuning and switching of lasing in chiral liquid crystals," Opt. Express 13, 2358-2363 (2005)

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