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Optics Letters

Optics Letters


  • Vol. 24, Iss. 23 — Dec. 1, 1999
  • pp: 1759–1761

Behavior of cholesteric liquid crystals in a Fabry-Perot cavity

Zhizhong Zhuang and J. S. Patel  »View Author Affiliations

Optics Letters, Vol. 24, Issue 23, pp. 1759-1761 (1999)

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We investigate the behavior of cholesteric liquid crystals (CLC’s) inside a Fabry–Perot (FP) cavity. Although FP cavities filled with various liquid crystals have been extensively studied, to our knowledge the behavior of CLC-based FP cavities has not been reported. In CLC the twisted structure can be changed because the pitch is a function of temperature. In a parallel-rubbed CLC FP cavity the balance between strong surface anchoring and elastic energy yield a steplike resonance spectrum. This corresponds to the quantized effective pitch that the system assumes when both surface alignments are fixed. Experiment results for parallel-rubbed samples are presented and explained theoretically by use of Jones matrix calculations.

© 1999 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(160.3710) Materials : Liquid crystals
(160.6840) Materials : Thermo-optical materials
(230.3720) Optical devices : Liquid-crystal devices

Zhizhong Zhuang and J. S. Patel, "Behavior of cholesteric liquid crystals in a Fabry-Perot cavity," Opt. Lett. 24, 1759-1761 (1999)

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