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Optics Letters

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  • Vol. 28, Iss. 10 — May. 15, 2003
  • pp: 792–794

Total-internal-reflection mode in holographic polymer dispersed liquid crystals

H. Xianyu, J. Qi, R. F. Cohn, and G. P. Crawford  »View Author Affiliations


Optics Letters, Vol. 28, Issue 10, pp. 792-794 (2003)
http://dx.doi.org/10.1364/OL.28.000792


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Abstract

We have developed a holographic polymer dispersed liquid-crystal device based on total internal reflection (TIR). In the field-off state, the holographic planes are slanted such that the angle of the diffraction beam is beyond the TIR angle of the glass substrate. The beam is trapped in the sample and propagates to the edge. In the field-on state, the holographic grating is erased and the incident beam propagates directly through the sample. Contrast ratios of 10 dB, submillisecond response times, and an index modulation of 0.042 at 1550 nm are reported.

© 2003 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(090.7330) Holography : Volume gratings
(230.2090) Optical devices : Electro-optical devices

Citation
H. Xianyu, J. Qi, R. F. Cohn, and G. P. Crawford, "Total-internal-reflection mode in holographic polymer dispersed liquid crystals," Opt. Lett. 28, 792-794 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-10-792


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