JP4959968B2 - 紫外光用1/2波長板 - Google Patents
紫外光用1/2波長板 Download PDFInfo
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- JP4959968B2 JP4959968B2 JP2005306295A JP2005306295A JP4959968B2 JP 4959968 B2 JP4959968 B2 JP 4959968B2 JP 2005306295 A JP2005306295 A JP 2005306295A JP 2005306295 A JP2005306295 A JP 2005306295A JP 4959968 B2 JP4959968 B2 JP 4959968B2
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Description
なお、アルミニウム濃度が1ppm以下という人工水晶から旋光板を製作することにより、紫外光を照射させても、透過率の劣化を抑えることができる。
紫外光用光学部品は、半導体製造装置等の光学機器において紫外光用1/2波長板として使用することができる。
本発明の一実施例として、右水晶のZカットの旋光板と左水晶のZカットの旋光板との厚み差が276.5±2.0μmである紫外光用光学部品は、図1に示すように右水晶のZカットの旋光板aと左水晶のZカットの旋光板bの光学軸が平行になるように貼り合せる。なお、右水晶のZカットの旋光板と左水晶のZカットの旋光板から製作された前記紫外光用光学部品は、各々の板厚が1mm以上5mm以下である右水晶のZカットの旋光板と左水晶のZカットの旋光板を組み合わせており、板厚については、右水晶側が厚くても、左水晶側が厚くても、両方を組み合わせたときの板厚み差が276.5±2.0μmあれば1/2波長板の機能を有する紫外光用光学部品を実現することができる。
Claims (1)
- 右水晶のZカット板の旋光板と、
左水晶のZカット板の旋光板とを備え、
一方の前記旋光板における光学軸と垂直に交わる一方の面と、他方の前記旋光板における光学軸と垂直に交わる一方の面とを接合してなる紫外線用1/2波長板において、
入射光の波長が193nmのとき、一方の前記旋光板の所望する厚みが1mmであり、他方の前記旋光板の所望する厚さが1.2765mmであり、且つ2つの前記旋光板の厚みの差の公差が±0.002mmであることを特徴とする紫外光用1/2波長板。
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JP2005306295A JP4959968B2 (ja) | 2005-10-20 | 2005-10-20 | 紫外光用1/2波長板 |
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JP2005306295A JP4959968B2 (ja) | 2005-10-20 | 2005-10-20 | 紫外光用1/2波長板 |
Publications (2)
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JP2007114520A JP2007114520A (ja) | 2007-05-10 |
JP4959968B2 true JP4959968B2 (ja) | 2012-06-27 |
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JP2005306295A Active JP4959968B2 (ja) | 2005-10-20 | 2005-10-20 | 紫外光用1/2波長板 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7200601B2 (ja) | 2018-10-29 | 2023-01-10 | 大日本印刷株式会社 | 在庫管理装置、及び、プログラム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58140706A (ja) * | 1982-02-15 | 1983-08-20 | Sumitomo Electric Ind Ltd | 旋光子 |
JPH06138416A (ja) * | 1992-10-23 | 1994-05-20 | Matsushita Electric Ind Co Ltd | 光学フィルターとその製造方法 |
JPH09128786A (ja) * | 1995-11-02 | 1997-05-16 | Sony Corp | 光学素子及び光ピックアップ装置 |
JP2004246286A (ja) * | 2003-02-17 | 2004-09-02 | Nikon Corp | 投射型表示装置 |
WO2005005694A1 (ja) * | 2003-07-10 | 2005-01-20 | Nikon Corporation | 人工水晶部材、露光装置、及び露光装置の製造方法 |
ATE539383T1 (de) * | 2004-01-16 | 2012-01-15 | Zeiss Carl Smt Gmbh | Projektionssystem mit einem polarisationsmodulierenden optischen element mit variabler dicke |
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