JP5425025B2 - 偏波制御素子 - Google Patents
偏波制御素子 Download PDFInfo
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- JP5425025B2 JP5425025B2 JP2010200665A JP2010200665A JP5425025B2 JP 5425025 B2 JP5425025 B2 JP 5425025B2 JP 2010200665 A JP2010200665 A JP 2010200665A JP 2010200665 A JP2010200665 A JP 2010200665A JP 5425025 B2 JP5425025 B2 JP 5425025B2
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Description
Claims (3)
- 電磁波の偏波を制御する偏波制御素子であって、
前記電磁波が透過する基板と、
前記基板上に第1の回折格子を形成すべく配設され、導体または半導体からなる第1の層と、
前記第1の回折格子上に、第2の回折格子を形成すべく誘電体層を介して配設され、導体または半導体からなる第2の層と、
を備え、
前記第1の層は、第1の方向に並設されかつ前記第1の方向と直交する第2の方向に延びた複数の第1のスリットと、前記第2の方向に並設されかつ前記第1のスリットと直交して前記第1の方向に延びた複数の第2のスリットとを有し、
前記第2の層は、前記複数の第1のスリットに重なる複数の第3のスリットと、前記第2の方向に並設されかつ前記第3のスリットと直交して前記第1の方向に延びた複数の第4のスリットとを有し、
互いに重なる前記複数の第1および第3のスリットは、前記第1の方向に第1の間隔で等間隔に配置され、
前記複数の第4のスリットは、前記複数の第2のスリットの配置間隔の中心に位置し、かつ、前記複数の第2のスリットおよび前記複数の第4のスリットは、それぞれ、前記第2の方向に第2の間隔で等間隔に配置され、
前記第1の間隔および前記第2の間隔は、前記電磁波の波長を前記基板の屈折率で割った値よりも小さいことを特徴とする、偏波制御素子。 - 前記第2の層上に、それぞれ誘電体層を介して、前記第1の層と同一構成の層および前記第2の層と同一構成の層の少なくとも1層をこの順に交互に所定の層分さらに積層することを特徴とする、請求項1に記載の偏波制御素子。
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JP2010200665A JP5425025B2 (ja) | 2010-09-08 | 2010-09-08 | 偏波制御素子 |
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JP2010200665A JP5425025B2 (ja) | 2010-09-08 | 2010-09-08 | 偏波制御素子 |
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JP2012058437A JP2012058437A (ja) | 2012-03-22 |
JP5425025B2 true JP5425025B2 (ja) | 2014-02-26 |
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JP2010200665A Expired - Fee Related JP5425025B2 (ja) | 2010-09-08 | 2010-09-08 | 偏波制御素子 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2016044104A1 (en) * | 2014-09-15 | 2016-03-24 | California Institute Of Technology | Simultaneous polarization and wavefront control using a planar device |
CN113167938A (zh) | 2018-10-22 | 2021-07-23 | 加州理工学院 | 基于三维工程材料的彩色多光谱图像传感器 |
CN114447551B (zh) * | 2022-01-27 | 2023-04-21 | 成都第三象限未来科技有限公司 | 一种波前可控的太赫兹线偏振超构起偏器件 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3372466B2 (ja) * | 1997-12-22 | 2003-02-04 | ティーディーケイ株式会社 | 偏光板の製造方法 |
JP2007121777A (ja) * | 2005-10-28 | 2007-05-17 | Namiki Precision Jewel Co Ltd | 偏光子 |
JP2009192609A (ja) * | 2008-02-12 | 2009-08-27 | Mitsubishi Electric Corp | 偏波制御素子 |
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