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Liquid-Crystal Blazed-Grating Beam Deflector

Wang, Xu and Wilson, Daniel and Muller, Richard and Maker, Paul and Psaltis, Demetri (2000) Liquid-Crystal Blazed-Grating Beam Deflector. Applied Optics, 39 (35). pp. 6545-6555. ISSN 0003-6935. doi:10.1364/AO.39.006545.

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A transmission-type nonmechanical multiple-angle beam-steering device that uses liquid-crystal blazed grating has been developed. Sixteen steering angles with a contrast ratio of 18 has been demonstrated. A detailed analysis of the liquid-crystal and poly(methyl methacrylate) blazed-grating deflector was carried out to provide guidance during the deflector’s development. A manufacturing offset compensation technique is proposed to improve the device’s performance greatly. A hybrid approach utilizing electrically generated blazed grating combined with the cascading approach described here yields in excess of 500 deflecting angles.

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Additional Information:© 2000 Optical Society of America. Received 5 January 2000; revised manuscript received 25 August 2000. This research was supported by the U.S. Air Force Rome Laboratory and the National Science Foundation Engineering Research Center for Neuromorphic Systems Engineering at the California Institute of Technology. X. Wang and D. Psaltis thank Jean- Jacques Drolet for his valuable contribution at the early stage of this research.
Funding AgencyGrant Number
U.S. Air Force Rome LaboratoryUNSPECIFIED
Center for Neuromorphic Systems Engineering, CaltechUNSPECIFIED
Issue or Number:35
Classification Code:OCIS codes: 050.1970, 230.3720, 230.2090, 050.1940
Record Number:CaltechAUTHORS:20111129-150503089
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Official Citation:Xu Wang, Daniel Wilson, Richard Muller, Paul Maker, and Demetri Psaltis, "Liquid-Crystal Blazed-Grating Beam Deflector," Appl. Opt. 39, 6545-6555 (2000)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:28233
Deposited By: Tony Diaz
Deposited On:19 Jan 2012 21:26
Last Modified:09 Nov 2021 16:55

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