Solid state spatial light modulator
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United States of America Patent
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Aug 23, 2022
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N/A
app pub date -
Aug 17, 2020
filing date -
Sep 15, 2015
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Abstract
A spatial light modulator includes an array of Faraday domains with each Faraday domain being selectively magnetizable to serve as an individual magnetic domain for selectively changing a polarization state of electromagnetic waves, having wavelengths that are no greater than a maximum wavelength, passing through each Faraday domain with each Faraday domain being characterized by physical dimensions and each Faraday domain is selectively magnetizable so long as the physical dimensions do not exceed a given maximum set of dimensions that correspond to the maximum wavelength. An addressing arrangement addresses the array of Faraday domains to selectively switch a magnetization state of a group of adjacent ones of the Faraday domains such that the Faraday domains that make up the group of Faraday domains cooperate to selectively change the polarization state of at least one electromagnetic wave passing therethrough having a wavelength that is longer than the maximum wavelength.
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