干渉型表示素子の提案と動作原理の確認

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タイトル別名
  • A Proposal and a Feasibility Study of an Interferometric Display Device
  • カンショウガタ ヒョウジ ソシ ノ テイアン ト ドウサ ゲンリ ノ カクニン

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抄録

A micro electromechnical element for a novel display device-IDD (Interferometric Display Device)-has been proposed and a plototype device is tested to verify its actuation principle. In the IDD, a Fizeau interferometer is constructed by an SiO2 half mirror and silicon substrate surface. When the mirror gap is controlled by a electrostatic force to adjust the optical path difference between two mirrors, the contrast can be changed by the interference in the Fizeau interferometer. A plototype device with 100μm square mirror is driven by a dc voltage up to 50V, resulting in a circular interferometric fringe movement observed by an optical microscope. Step responses less than 100Hz are also examined by using a laser light source.

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