Optical apparatus including optical functional layer having high refractive index and method of manufacturing the optical apparatus
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United States of America Patent
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Jan 2, 2018
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Sep 19, 2016
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Sep 24, 2015
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Abstract
An optical apparatus including an optical functional layer having a high refractive index and a method of manufacturing the optical apparatus are provided. The optical functional layer includes a phase change material that has a first refractive index during heat treatment in a first temperature range and has a second refractive index, which is higher than the first refractive index, during heat treatment in a second temperature range that is higher than the first temperature range. The optical functional layer may be configured to have the second refractive index by using a micro-heater without having to be deposited at a high temperature.
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