Liquid crystal high-resolution optically addressed spatial light modulator using a nanodimensional chalcogenide photosensor

Miri Gelbaor Kirzhner; Matvey Klebanov; Victor Lyubin; Neil Collings; I. Abdulhalim

doi:10.1364/OL.39.002048

Liquid crystal high-resolution optically addressed spatial light modulator using a nanodimensional chalcogenide photosensor

Miri Gelbaor Kirzhner, Matvey Klebanov, Victor Lyubin, Neil Collings, I. Abdulhalim

Department of Physics

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

24 Scopus citations

Abstract

The fabrication and performance of an optically addressed spatial light modulator (OASLM) based on nematic liquid crystal and nanodimensional amorphous arsenic trisulfide (a-As2S3) chalcogenide glassy films are described. The photoconductive a-As2S3 layers are used both as photoalignment material and as a photosensor. The use of the OASLM as a color converter is demonstrated in the transmission mode. The phase retardation dynamic range is over 3p. Diffraction efficiency measurements show a high resolution (150 lp/mm at 50% MTF). A wide variety of materials from the chalcogenide glass (ChG) family are useful for simple fabrication of high-resolution OASLMs depending on the desired wavelength.

Original language	English
Pages (from-to)	2048-2051
Number of pages	4
Journal	Optics Letters
Volume	39
Issue number	7
DOIs	https://doi.org/10.1364/OL.39.002048
State	Published - 1 Apr 2014

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "The fabrication and performance of an optically addressed spatial light modulator (OASLM) based on nematic liquid crystal and nanodimensional amorphous arsenic trisulfide (a-As2S3) chalcogenide glassy films are described. The photoconductive a-As2S3 layers are used both as photoalignment material and as a photosensor. The use of the OASLM as a color converter is demonstrated in the transmission mode. The phase retardation dynamic range is over 3p. Diffraction efficiency measurements show a high resolution (150 lp/mm at 50% MTF). A wide variety of materials from the chalcogenide glass (ChG) family are useful for simple fabrication of high-resolution OASLMs depending on the desired wavelength.",

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AU - Collings, Neil

AU - Abdulhalim, I.

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AB - The fabrication and performance of an optically addressed spatial light modulator (OASLM) based on nematic liquid crystal and nanodimensional amorphous arsenic trisulfide (a-As2S3) chalcogenide glassy films are described. The photoconductive a-As2S3 layers are used both as photoalignment material and as a photosensor. The use of the OASLM as a color converter is demonstrated in the transmission mode. The phase retardation dynamic range is over 3p. Diffraction efficiency measurements show a high resolution (150 lp/mm at 50% MTF). A wide variety of materials from the chalcogenide glass (ChG) family are useful for simple fabrication of high-resolution OASLMs depending on the desired wavelength.

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Liquid crystal high-resolution optically addressed spatial light modulator using a nanodimensional chalcogenide photosensor

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