Two-dimensional liquid crystal laser array

Philip J. W. Hands; Stephen M. Morris; Timothy D. Wilkinson; Harry J. Coles

doi:10.1364/OL.33.000515

Two-dimensional liquid crystal laser array

Philip J. W. Hands, Stephen M. Morris, Timothy D. Wilkinson, Harry J. Coles

School of Engineering

Research output: Contribution to journal › Article › peer-review

Abstract / Description of output

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 x 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.

Original language	English
Pages (from-to)	515-517
Number of pages	3
Journal	Optics Letters
Volume	33
Issue number	5
DOIs	https://doi.org/10.1364/OL.33.000515
Publication status	Published - 1 Mar 2008

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10.1364/OL.33.000515

Two-dimensional liquid crystal laser array
This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: [http://dx.doi.org/10.1364/OL.33.000515]. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-33-5-515

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title = "Two-dimensional liquid crystal laser array",

abstract = "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 x 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.",

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AU - Morris, Stephen M.

AU - Wilkinson, Timothy D.

AU - Coles, Harry J.

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N2 - 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 x 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.

AB - 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 x 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.

U2 - 10.1364/OL.33.000515

DO - 10.1364/OL.33.000515

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SP - 515

EP - 517

JO - Optics Letters

JF - Optics Letters

IS - 5

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Two-dimensional liquid crystal laser array

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