電気学会論文誌E(センサ・マイクロマシン部門誌)
Online ISSN : 1347-5525
Print ISSN : 1341-8939
ISSN-L : 1341-8939
特集論文
THz波用MEMS駆動ワイヤグリッド偏光子の製作と光学特性評価
石井 雄大中田 陽介時実 悠瀧田 佑馬金森 義明南出 泰亜羽根 一博
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2017 年 137 巻 11 号 p. 407-414

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Micro-electromechanical-systems driven wire grid polarizers (MEMS-WGPs) were proposed and fabricated. MEMS-WGPs mainly consisted of an Au cantilever array and two kinds of electrical leads. One lead was connected with cantilevers and the other lead was located under the cantilevers. Because the cantilevers were electrostatically actuated downward by applying voltage between the two leads and made contact with the next cantilever, transmittance could be changed. Static wire grid polarizers were also fabricated and measured their optical characteristics in THz region, as preliminary step toward MEMS-WGPs. MEMS-WGP was successfully fabricated and the cantilever array was electrostatically actuated. In THz region, transmittance of the fabricated MEMS-WGP was changed from 14.7% to 10.6% on average by applied voltage of 200V.

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