JP6765866B2 - 偏光解消素子 - Google Patents
偏光解消素子 Download PDFInfo
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- JP6765866B2 JP6765866B2 JP2016118759A JP2016118759A JP6765866B2 JP 6765866 B2 JP6765866 B2 JP 6765866B2 JP 2016118759 A JP2016118759 A JP 2016118759A JP 2016118759 A JP2016118759 A JP 2016118759A JP 6765866 B2 JP6765866 B2 JP 6765866B2
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Description
n(TE)=(F×n2+(1−F))1/2
n(TM)=(F/n2+(1−F))1/2
Δ=Δn・d
である。ここで、Δnはn(TE)とn(TM)の差、dは前述の溝の深さである。
3 基板
5 溝
7 サブ波長構造領域
Claims (1)
- 光透過性基板に、光の波長よりも短い周期で連続する凹凸構造であって透過する光に位相差を生じさせてその光の振動状態を変更するサブ波長構造をもつ複数のサブ波長構造領域が、互いに隣接する前記サブ波長構造領域の光学軸方向が異なるように配列された偏光解消素子であって、
前記サブ波長構造領域は互いに直交するX方向及びY方向に隙間なく平面的に配列されており、
前記サブ波長構造領域の開口径が不均一であり、前記X方向において互いに隣接する前記サブ波長構造領域の中心間距離は均一であり、前記Y方向において互いに隣接する前記サブ波長構造領域の中心間距離は均一であり、前記サブ波長構造領域の開口形状が不均一である、偏光解消素子。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2016118759A JP6765866B2 (ja) | 2016-06-15 | 2016-06-15 | 偏光解消素子 |
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| JP2016118759A JP6765866B2 (ja) | 2016-06-15 | 2016-06-15 | 偏光解消素子 |
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| Publication Number | Publication Date |
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| JP2017223824A JP2017223824A (ja) | 2017-12-21 |
| JP6765866B2 true JP6765866B2 (ja) | 2020-10-07 |
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| JP2016118759A Active JP6765866B2 (ja) | 2016-06-15 | 2016-06-15 | 偏光解消素子 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121410993A (zh) * | 2025-12-29 | 2026-01-27 | 三序光学科技(苏州)有限公司 | 激光散斑抑制的波导结构、激光显示装置及散斑抑制方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4238633B2 (ja) * | 2003-05-19 | 2009-03-18 | コニカミノルタオプト株式会社 | 偏光解消素子、その素子を用いた分光器及び光ファイバー増幅器 |
| CN100442031C (zh) * | 2004-09-14 | 2008-12-10 | 财团法人工业技术研究院 | 消除极化相关性的光谱测量装置及其方法 |
| GB0718706D0 (en) * | 2007-09-25 | 2007-11-07 | Creative Physics Ltd | Method and apparatus for reducing laser speckle |
| JP4876992B2 (ja) * | 2007-03-15 | 2012-02-15 | 旭硝子株式会社 | 偏光解消素子 |
| JP2012194221A (ja) * | 2011-03-15 | 2012-10-11 | Asahi Glass Co Ltd | 偏光解消素子および投射型表示装置 |
| WO2014162621A1 (ja) * | 2013-04-05 | 2014-10-09 | リコー光学株式会社 | 偏光解消素子並びにその素子を用いた偏光解消装置及び光学機器 |
| WO2016052359A1 (ja) * | 2014-09-30 | 2016-04-07 | 旭硝子株式会社 | 画像光投影用スクリーンおよび表示システム |
| JP6441047B2 (ja) * | 2014-11-26 | 2018-12-19 | リコーインダストリアルソリューションズ株式会社 | 光学素子 |
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