JP4825951B2 - 波長板及びそれを用いた光ピックアップ - Google Patents

波長板及びそれを用いた光ピックアップ Download PDF

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Publication number
JP4825951B2
JP4825951B2 JP2005271360A JP2005271360A JP4825951B2 JP 4825951 B2 JP4825951 B2 JP 4825951B2 JP 2005271360 A JP2005271360 A JP 2005271360A JP 2005271360 A JP2005271360 A JP 2005271360A JP 4825951 B2 JP4825951 B2 JP 4825951B2
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Japan
Prior art keywords
wavelength
wave plate
phase difference
plate
light
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Expired - Fee Related
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JP2005271360A
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Japanese (ja)
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JP2007086105A (ja
JP2007086105A5 (enExample
Inventor
正之 大戸
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Seiko Epson Corp
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Seiko Epson Corp
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JP2005271360A 2005-09-20 2005-09-20 波長板及びそれを用いた光ピックアップ Expired - Fee Related JP4825951B2 (ja)

Priority Applications (1)

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JP2005271360A JP4825951B2 (ja) 2005-09-20 2005-09-20 波長板及びそれを用いた光ピックアップ

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JP2005271360A JP4825951B2 (ja) 2005-09-20 2005-09-20 波長板及びそれを用いた光ピックアップ

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JP2007086105A JP2007086105A (ja) 2007-04-05
JP2007086105A5 JP2007086105A5 (enExample) 2007-12-20
JP4825951B2 true JP4825951B2 (ja) 2011-11-30

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JP2005271360A Expired - Fee Related JP4825951B2 (ja) 2005-09-20 2005-09-20 波長板及びそれを用いた光ピックアップ

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022135684A (ja) * 2021-03-05 2022-09-15 株式会社光学技研 広帯域円偏光子及び該広帯域円偏光子を備えた計測装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5316409B2 (ja) * 2007-07-27 2013-10-16 旭硝子株式会社 位相差素子および光ヘッド装置
JP5024241B2 (ja) * 2007-10-10 2012-09-12 セイコーエプソン株式会社 波長板及びこれを用いた光ピックアップ装置
JP2009103598A (ja) * 2007-10-24 2009-05-14 Dainippon Screen Mfg Co Ltd 分光エリプソメータおよび偏光解析方法
JP5228805B2 (ja) * 2008-10-31 2013-07-03 セイコーエプソン株式会社 積層１／４波長板
JP6409612B2 (ja) * 2015-02-23 2018-10-24 日本ゼオン株式会社 配向角の測定方法、及び、複層フィルムの製造方法
TW202231690A (zh) 2020-12-25 2022-08-16 日商日產化學股份有限公司 單層相位差膜之製造方法及單層相位差膜形成用聚合物組成物

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4333580B2 (ja) * 2002-04-26 2009-09-16 エプソントヨコム株式会社 積層波長板及びそれを用いた光ピックアップ
JP4341332B2 (ja) * 2002-07-31 2009-10-07 旭硝子株式会社 光ヘッド装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022135684A (ja) * 2021-03-05 2022-09-15 株式会社光学技研 広帯域円偏光子及び該広帯域円偏光子を備えた計測装置
JP7621141B2 (ja) 2021-03-05 2025-01-24 株式会社光学技研 広帯域円偏光子及び該広帯域円偏光子を備えた計測装置

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