JP2007093900A - 光学素子およびそれを有する撮像装置 - Google Patents

光学素子およびそれを有する撮像装置 Download PDF

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Publication number
JP2007093900A
JP2007093900A JP2005282007A JP2005282007A JP2007093900A JP 2007093900 A JP2007093900 A JP 2007093900A JP 2005282007 A JP2005282007 A JP 2005282007A JP 2005282007 A JP2005282007 A JP 2005282007A JP 2007093900 A JP2007093900 A JP 2007093900A
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JP
Japan
Prior art keywords
optical element
angle
optical
incident
optical axis
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.)
Pending
Application number
JP2005282007A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007093900A5 (https=
Inventor
Daisuke Sano
大介 佐野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2005282007A priority Critical patent/JP2007093900A/ja
Priority to US11/535,819 priority patent/US7535508B2/en
Publication of JP2007093900A publication Critical patent/JP2007093900A/ja
Publication of JP2007093900A5 publication Critical patent/JP2007093900A5/ja
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Polarising Elements (AREA)
  • Studio Devices (AREA)
JP2005282007A 2005-09-28 2005-09-28 光学素子およびそれを有する撮像装置 Pending JP2007093900A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005282007A JP2007093900A (ja) 2005-09-28 2005-09-28 光学素子およびそれを有する撮像装置
US11/535,819 US7535508B2 (en) 2005-09-28 2006-09-27 Optical element and image-pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005282007A JP2007093900A (ja) 2005-09-28 2005-09-28 光学素子およびそれを有する撮像装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2011055064A Division JP2011193468A (ja) 2011-03-14 2011-03-14 撮像装置

Publications (2)

Publication Number Publication Date
JP2007093900A true JP2007093900A (ja) 2007-04-12
JP2007093900A5 JP2007093900A5 (https=) 2008-11-13

Family

ID=37907287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005282007A Pending JP2007093900A (ja) 2005-09-28 2005-09-28 光学素子およびそれを有する撮像装置

Country Status (2)

Country Link
US (1) US7535508B2 (https=)
JP (1) JP2007093900A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016142794A (ja) * 2015-01-30 2016-08-08 キヤノン株式会社 撮像装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5677366B2 (ja) * 2012-05-21 2015-02-25 キヤノン株式会社 撮像装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05134115A (ja) * 1991-11-11 1993-05-28 Ricoh Opt Ind Co Ltd 複屈折部材
JP2001147404A (ja) * 1999-11-19 2001-05-29 Canon Inc 光学ローパスフィルタ、それを有する撮像ユニット並びに撮像装置
JP2004246261A (ja) * 2003-02-17 2004-09-02 Nikon Corp 光学ローパスフィルタおよびカメラ
JP2005062524A (ja) * 2003-08-13 2005-03-10 Canon Inc 光学フィルタおよび光学機器

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5126507B2 (https=) 1972-02-22 1976-08-06
JPS4888831A (https=) 1972-02-22 1973-11-21
JPH0620316B2 (ja) * 1982-05-17 1994-03-16 株式会社日立製作所 撮像光学系
JPS5975222A (ja) 1982-10-22 1984-04-27 Victor Co Of Japan Ltd 光学フイルタ
JPS60164719A (ja) 1984-02-07 1985-08-27 Sony Corp 光学的ローパスフィルタ
US6327085B1 (en) * 1998-03-31 2001-12-04 Nikon Corporation Optical filter and optical device provided with this optical filter
US6963448B1 (en) * 1999-11-19 2005-11-08 Canon Kabushiki Kaisha Optical low-pass filter, and image sensing unit and apparatus using the same
JP2002107540A (ja) 2000-09-29 2002-04-10 Kyocera Corp 複屈折板と偏光素子及びこれを用いた画像表示装置並びに撮像装置
JP2003255116A (ja) * 2002-03-06 2003-09-10 Nippon Sheet Glass Co Ltd 光学素子
JP2004151139A (ja) * 2002-10-28 2004-05-27 Sharp Corp 光学シフト素子および投影型画像表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05134115A (ja) * 1991-11-11 1993-05-28 Ricoh Opt Ind Co Ltd 複屈折部材
JP2001147404A (ja) * 1999-11-19 2001-05-29 Canon Inc 光学ローパスフィルタ、それを有する撮像ユニット並びに撮像装置
JP2004246261A (ja) * 2003-02-17 2004-09-02 Nikon Corp 光学ローパスフィルタおよびカメラ
JP2005062524A (ja) * 2003-08-13 2005-03-10 Canon Inc 光学フィルタおよび光学機器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016142794A (ja) * 2015-01-30 2016-08-08 キヤノン株式会社 撮像装置

Also Published As

Publication number Publication date
US20070070236A1 (en) 2007-03-29
US7535508B2 (en) 2009-05-19

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