JP2000098118A5 - - Google Patents

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Publication number
JP2000098118A5
JP2000098118A5 JP1998263020A JP26302098A JP2000098118A5 JP 2000098118 A5 JP2000098118 A5 JP 2000098118A5 JP 1998263020 A JP1998263020 A JP 1998263020A JP 26302098 A JP26302098 A JP 26302098A JP 2000098118 A5 JP2000098118 A5 JP 2000098118A5
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JP
Japan
Prior art keywords
optical element
diffractive optical
diffraction
grating
abbe number
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1998263020A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000098118A (ja
JP3472154B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP26302098A priority Critical patent/JP3472154B2/ja
Priority claimed from JP26302098A external-priority patent/JP3472154B2/ja
Priority to US09/395,364 priority patent/US6560019B2/en
Publication of JP2000098118A publication Critical patent/JP2000098118A/ja
Application granted granted Critical
Publication of JP3472154B2 publication Critical patent/JP3472154B2/ja
Publication of JP2000098118A5 publication Critical patent/JP2000098118A5/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP26302098A 1998-02-05 1998-09-17 回折光学素子及びこれを有する光学系 Expired - Fee Related JP3472154B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP26302098A JP3472154B2 (ja) 1998-09-17 1998-09-17 回折光学素子及びこれを有する光学系
US09/395,364 US6560019B2 (en) 1998-02-05 1999-09-14 Diffractive optical element and optical system having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26302098A JP3472154B2 (ja) 1998-09-17 1998-09-17 回折光学素子及びこれを有する光学系

Publications (3)

Publication Number Publication Date
JP2000098118A JP2000098118A (ja) 2000-04-07
JP3472154B2 JP3472154B2 (ja) 2003-12-02
JP2000098118A5 true JP2000098118A5 (https=) 2004-08-19

Family

ID=17383777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26302098A Expired - Fee Related JP3472154B2 (ja) 1998-02-05 1998-09-17 回折光学素子及びこれを有する光学系

Country Status (1)

Country Link
JP (1) JP3472154B2 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6831783B2 (en) 2000-06-07 2004-12-14 Canon Kabushiki Kaisha Diffractive optical element and optical system
JP4587418B2 (ja) * 2000-09-27 2010-11-24 キヤノン株式会社 回折光学素子及び該回折光学素子を有する光学系
JP4590082B2 (ja) * 2000-10-02 2010-12-01 キヤノン株式会社 回折光学素子及びそれを用いた光学系
JP3652260B2 (ja) * 2001-03-06 2005-05-25 キヤノン株式会社 回折光学素子、該回折光学素子を有する光学系、撮影装置、観察装置
DE60324062D1 (de) 2002-06-17 2008-11-27 Canon Kk Optisches Beugungselement und damit ausgestattetes optisches System
JP4411026B2 (ja) 2002-08-30 2010-02-10 キヤノン株式会社 光学材料及び、光学素子、回折光学素子、積層型回折光学素子、光学系
JP4266732B2 (ja) 2002-08-30 2009-05-20 キヤノン株式会社 積層型回折光学素子
JP4673120B2 (ja) 2004-04-28 2011-04-20 キヤノン株式会社 回折光学素子及びこれを有する光学系
JP2008058907A (ja) 2006-09-04 2008-03-13 Canon Inc 回折光学素子及びこれを有する光学系
JP4847351B2 (ja) 2007-01-11 2011-12-28 キヤノン株式会社 回折光学素子及びそれを用いた回折格子
US7710651B2 (en) 2007-03-23 2010-05-04 Canon Kabushiki Kaisha Contacting two-layer diffractive optical element
JP2012078397A (ja) 2010-09-30 2012-04-19 Canon Inc 回折格子を含む光学系および光学機器
JP5672542B2 (ja) * 2011-02-07 2015-02-18 株式会社ニコン 自由曲面プリズムを用いた回折光学系及び画像撮像装置

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