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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 5 — Mar. 1, 2008
  • pp: 515–517

Two-dimensional liquid crystal laser array

Philip J.W. Hands, Stephen M. Morris, Timothy D. Wilkinson, and Harry J. Coles  »View Author Affiliations

Optics Letters, Vol. 33, Issue 5, pp. 515-517 (2008)

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A two-dimensional liquid crystal (LC) laser array has been demonstrated by photopumping a single LC sample using a lenslet array consisting of plano–convex microlenses. A 5 × 5 array of LC lasers (displaying evidence of mutual coherence) spaced by 1 mm inactive regions has been generated, which could be combined to yield a single monomode output and allows an almost 50-fold increase in energy density in comparison to a single-focus LC cavity. Furthermore, we have demonstrated how the individual and recombined emission spectra vary with different sample topologies and how polydomain samples can be used to generate a multiwavelength laser emission.

© 2008 Optical Society of America

OCIS Codes
(140.3290) Lasers and laser optics : Laser arrays
(160.3710) Materials : Liquid crystals
(230.3720) Optical devices : Liquid-crystal devices
(140.3298) Lasers and laser optics : Laser beam combining
(160.5293) Materials : Photonic bandgap materials

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 12, 2007
Revised Manuscript: January 30, 2008
Manuscript Accepted: January 30, 2008
Published: February 28, 2008

Philip J. W. Hands, Stephen M. Morris, Timothy D. Wilkinson, and Harry J. Coles, "Two-dimensional liquid crystal laser array," Opt. Lett. 33, 515-517 (2008)

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  3. A. D. Ford, S. M. Morris, and H. J. Coles, Mater. Today 9, 36 (2006). [CrossRef]
  4. S. M. Morris, A. D. Ford, M. N. Pivnenko, and H. J. Coles, J. Opt. A 7, 215 (2005). [CrossRef]
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