JP5366673B2 - 光学系及びそれを有する光学機器 - Google Patents

光学系及びそれを有する光学機器 Download PDF

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Publication number
JP5366673B2
JP5366673B2 JP2009144177A JP2009144177A JP5366673B2 JP 5366673 B2 JP5366673 B2 JP 5366673B2 JP 2009144177 A JP2009144177 A JP 2009144177A JP 2009144177 A JP2009144177 A JP 2009144177A JP 5366673 B2 JP5366673 B2 JP 5366673B2
Authority
JP
Japan
Prior art keywords
optical
optical system
refractive
thickness
diffractive
Prior art date
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Expired - Fee Related
Application number
JP2009144177A
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English (en)
Japanese (ja)
Other versions
JP2011002555A (ja
JP2011002555A5 (https=
Inventor
裕人 安井
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 JP2009144177A priority Critical patent/JP5366673B2/ja
Priority to US12/815,991 priority patent/US8355205B2/en
Publication of JP2011002555A publication Critical patent/JP2011002555A/ja
Publication of JP2011002555A5 publication Critical patent/JP2011002555A5/ja
Application granted granted Critical
Publication of JP5366673B2 publication Critical patent/JP5366673B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/005—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for correction of secondary colour or higher-order chromatic aberrations
    • G02B27/0056—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for correction of secondary colour or higher-order chromatic aberrations by using a diffractive optical element
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • 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
    • G02B27/4205—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant
    • G02B27/4211—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive optical element [DOE] contributing to image formation, e.g. whereby modulation transfer function MTF or optical aberrations are relevant correcting chromatic aberrations
    • 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
    • G02B27/4288—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having uniform diffraction efficiency over a large spectral bandwidth
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • G02B5/189—Structurally combined with optical elements not having diffractive power
    • G02B5/1895—Structurally combined with optical elements not having diffractive power such optical elements having dioptric power
    • 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
    • G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Lenses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
JP2009144177A 2009-06-17 2009-06-17 光学系及びそれを有する光学機器 Expired - Fee Related JP5366673B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009144177A JP5366673B2 (ja) 2009-06-17 2009-06-17 光学系及びそれを有する光学機器
US12/815,991 US8355205B2 (en) 2009-06-17 2010-06-15 Optical element and optical system including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009144177A JP5366673B2 (ja) 2009-06-17 2009-06-17 光学系及びそれを有する光学機器

Publications (3)

Publication Number Publication Date
JP2011002555A JP2011002555A (ja) 2011-01-06
JP2011002555A5 JP2011002555A5 (https=) 2012-07-19
JP5366673B2 true JP5366673B2 (ja) 2013-12-11

Family

ID=43354120

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009144177A Expired - Fee Related JP5366673B2 (ja) 2009-06-17 2009-06-17 光学系及びそれを有する光学機器

Country Status (2)

Country Link
US (1) US8355205B2 (https=)
JP (1) JP5366673B2 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5587225B2 (ja) * 2011-03-09 2014-09-10 キヤノン株式会社 撮影光学系及びそれを有する撮像装置
WO2013047079A1 (ja) * 2011-09-30 2013-04-04 ペンタックスリコーイメージング株式会社 複合光学素子及び撮影光学系
JP5822649B2 (ja) * 2011-10-24 2015-11-24 キヤノン株式会社 光学系および撮像装置
KR20130069046A (ko) 2011-12-16 2013-06-26 삼성전자주식회사 망원렌즈 시스템
JP5811463B2 (ja) * 2012-02-27 2015-11-11 株式会社ニコン 光学系、及び、この光学系を有する光学機器
JP5909419B2 (ja) * 2012-07-24 2016-04-26 スタンレー電気株式会社 プロジェクタ型前照灯
JP6304954B2 (ja) * 2013-06-28 2018-04-04 キヤノン株式会社 回折光学素子を用いた光学系および光学機器
CN107111108A (zh) * 2015-01-14 2017-08-29 奥林巴斯株式会社 复式摄像光学系统和具有该复式摄像光学系统的摄像装置
JP6622486B2 (ja) * 2015-05-21 2019-12-18 キヤノン株式会社 撮像光学系及びそれを有する撮像装置
JP6556530B2 (ja) 2015-07-02 2019-08-07 株式会社小糸製作所 車両用灯具
JP6661363B2 (ja) 2015-12-15 2020-03-11 キヤノン株式会社 回折光学素子を用いた光学系および光学機器
JP6759086B2 (ja) * 2016-12-15 2020-09-23 オリンパス株式会社 結像レンズ系及びそれを備えた撮像装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3950571B2 (ja) 1999-03-10 2007-08-01 キヤノン株式会社 撮影光学系
JP2005181392A (ja) 2003-12-16 2005-07-07 Canon Inc 光学系
JP4630645B2 (ja) 2004-11-19 2011-02-09 キヤノン株式会社 光学系
JP4898410B2 (ja) * 2006-12-14 2012-03-14 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP2008170594A (ja) * 2007-01-10 2008-07-24 Nikon Corp プロジェクタ光学系、プロジェクタ、及び、投影方法
JP5137432B2 (ja) * 2007-03-23 2013-02-06 キヤノン株式会社 密着２層型の回折光学素子とそれを用いた光学系及び光学機器

Also Published As

Publication number Publication date
US8355205B2 (en) 2013-01-15
US20100321782A1 (en) 2010-12-23
JP2011002555A (ja) 2011-01-06

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