JP7844367B2 - 回折光学素子、光学系、撮像装置、および表示装置 - Google Patents

回折光学素子、光学系、撮像装置、および表示装置

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Publication number
JP7844367B2
JP7844367B2 JP2023010695A JP2023010695A JP7844367B2 JP 7844367 B2 JP7844367 B2 JP 7844367B2 JP 2023010695 A JP2023010695 A JP 2023010695A JP 2023010695 A JP2023010695 A JP 2023010695A JP 7844367 B2 JP7844367 B2 JP 7844367B2
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JP
Japan
Prior art keywords
diffraction grating
optical element
diffractive optical
thin film
thickness
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.)
Active
Application number
JP2023010695A
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English (en)
Japanese (ja)
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JP2024106445A5 (https=
JP2024106445A (ja
Inventor
幹生 小林
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
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2023010695A priority Critical patent/JP7844367B2/ja
Priority to US18/411,343 priority patent/US20240264459A1/en
Publication of JP2024106445A publication Critical patent/JP2024106445A/ja
Publication of JP2024106445A5 publication Critical patent/JP2024106445A5/ja
Application granted granted Critical
Publication of JP7844367B2 publication Critical patent/JP7844367B2/ja
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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
    • G02B27/42—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
JP2023010695A 2023-01-27 2023-01-27 回折光学素子、光学系、撮像装置、および表示装置 Active JP7844367B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023010695A JP7844367B2 (ja) 2023-01-27 2023-01-27 回折光学素子、光学系、撮像装置、および表示装置
US18/411,343 US20240264459A1 (en) 2023-01-27 2024-01-12 Diffractive optical element, optical system, image pickup apparatus, and display apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023010695A JP7844367B2 (ja) 2023-01-27 2023-01-27 回折光学素子、光学系、撮像装置、および表示装置

Publications (3)

Publication Number Publication Date
JP2024106445A JP2024106445A (ja) 2024-08-08
JP2024106445A5 JP2024106445A5 (https=) 2024-12-23
JP7844367B2 true JP7844367B2 (ja) 2026-04-13

Family

ID=92119408

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023010695A Active JP7844367B2 (ja) 2023-01-27 2023-01-27 回折光学素子、光学系、撮像装置、および表示装置

Country Status (2)

Country Link
US (1) US20240264459A1 (https=)
JP (1) JP7844367B2 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010087208A1 (ja) 2009-02-02 2010-08-05 パナソニック株式会社 回折光学素子およびその製造方法
JP2011257695A (ja) 2010-06-11 2011-12-22 Canon Inc 回折光学素子、光学系および光学機器
JP2013011909A (ja) 2010-12-10 2013-01-17 Panasonic Corp 回折格子レンズ、それを用いた撮像用光学系および撮像装置
JP2018072623A (ja) 2016-10-31 2018-05-10 キヤノン株式会社 回折光学素子およびそれを有する光学系、撮像装置
CN110286473A (zh) 2019-07-23 2019-09-27 苏州大学 一种单片式消色差手机镜头

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5801889A (en) * 1995-08-16 1998-09-01 Eastman Kodak Company Technique to eliminate scattered light in diffractive optical elements
JP4336412B2 (ja) * 1998-06-16 2009-09-30 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
JP7071085B2 (ja) * 2017-10-12 2022-05-18 キヤノン株式会社 回折光学素子、光学系、および、撮像装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010087208A1 (ja) 2009-02-02 2010-08-05 パナソニック株式会社 回折光学素子およびその製造方法
JP2011257695A (ja) 2010-06-11 2011-12-22 Canon Inc 回折光学素子、光学系および光学機器
JP2013011909A (ja) 2010-12-10 2013-01-17 Panasonic Corp 回折格子レンズ、それを用いた撮像用光学系および撮像装置
JP2018072623A (ja) 2016-10-31 2018-05-10 キヤノン株式会社 回折光学素子およびそれを有する光学系、撮像装置
CN110286473A (zh) 2019-07-23 2019-09-27 苏州大学 一种单片式消色差手机镜头

Also Published As

Publication number Publication date
US20240264459A1 (en) 2024-08-08
JP2024106445A (ja) 2024-08-08

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