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Optics Letters

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  • Vol. 19, Iss. 21 — Nov. 1, 1994
  • pp: 1780–1782

High-optical-isolation low-loss moderate-switching-speed nematic liquid-crystal optical switch

Nabeel A. Riza  »View Author Affiliations


Optics Letters, Vol. 19, Issue 21, pp. 1780-1782 (1994)
http://dx.doi.org/10.1364/OL.19.001780


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Abstract

A bulk polarization-rotation-based 1 × 2 optical switch is demonstrated by use of a birefringent-mode parallel-rub nematic liquid-crystal cell and a calcite Thompson-prism polarizing beam splitter. With 633-nm linearly polarized light the switch output ports exhibit a >36-dB optical isolation with less than ~0.75 dB of optical insertion loss. A <1.5-ms switching speed is demonstrated for a cascade cell optical arrangement by means of the transient nematic effect with >30 dB of optical isolation and −1.45 dB of optical loss.

© 1994 Optical Society of America

History
Original Manuscript: May 5, 1994
Published: November 1, 1994

Citation
Nabeel A. Riza, "High-optical-isolation low-loss moderate-switching-speed nematic liquid-crystal optical switch," Opt. Lett. 19, 1780-1782 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-21-1780


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References

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  2. N. A. Riza, Proc. Soc. Photo-Opt. Instrum. Eng. 2026, 227 (1993).
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