JP7071085B2 - 回折光学素子、光学系、および、撮像装置 - Google Patents

回折光学素子、光学系、および、撮像装置 Download PDF

Info

Publication number
JP7071085B2
JP7071085B2 JP2017198312A JP2017198312A JP7071085B2 JP 7071085 B2 JP7071085 B2 JP 7071085B2 JP 2017198312 A JP2017198312 A JP 2017198312A JP 2017198312 A JP2017198312 A JP 2017198312A JP 7071085 B2 JP7071085 B2 JP 7071085B2
Authority
JP
Japan
Prior art keywords
optical element
diffractive optical
thin film
diffraction grating
phase difference
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
JP2017198312A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019074551A (ja
JP2019074551A5 (enExample
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
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 JP2017198312A priority Critical patent/JP7071085B2/ja
Priority to US16/154,789 priority patent/US10890698B2/en
Publication of JP2019074551A publication Critical patent/JP2019074551A/ja
Publication of JP2019074551A5 publication Critical patent/JP2019074551A5/ja
Application granted granted Critical
Publication of JP7071085B2 publication Critical patent/JP7071085B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G02B27/4272—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
    • 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
    • G02B5/1871—Transmissive phase gratings
    • 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
    • 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
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1814—Diffraction gratings structurally combined with one or more further optical elements, e.g. lenses, mirrors, prisms or other diffraction gratings
    • G02B5/1819—Plural gratings positioned on the same surface, e.g. array of gratings
    • G02B5/1823—Plural gratings positioned on the same surface, e.g. array of gratings in an overlapping or superposed manner

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Lenses (AREA)
JP2017198312A 2017-10-12 2017-10-12 回折光学素子、光学系、および、撮像装置 Active JP7071085B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017198312A JP7071085B2 (ja) 2017-10-12 2017-10-12 回折光学素子、光学系、および、撮像装置
US16/154,789 US10890698B2 (en) 2017-10-12 2018-10-09 Diffraction optical element, optical system, and imaging apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017198312A JP7071085B2 (ja) 2017-10-12 2017-10-12 回折光学素子、光学系、および、撮像装置

Publications (3)

Publication Number Publication Date
JP2019074551A JP2019074551A (ja) 2019-05-16
JP2019074551A5 JP2019074551A5 (enExample) 2020-11-19
JP7071085B2 true JP7071085B2 (ja) 2022-05-18

Family

ID=66096447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017198312A Active JP7071085B2 (ja) 2017-10-12 2017-10-12 回折光学素子、光学系、および、撮像装置

Country Status (2)

Country Link
US (1) US10890698B2 (enExample)
JP (1) JP7071085B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7581059B2 (ja) 2021-01-13 2024-11-12 キヤノン株式会社 光学系および撮像装置
US12276863B2 (en) 2021-01-13 2025-04-15 Canon Kabushiki Kaisha Optical system and image pickup apparatus
JP2023132925A (ja) 2022-03-11 2023-09-22 キヤノン株式会社 光学系および撮像装置
CN115079322B (zh) * 2022-06-30 2024-03-12 歌尔光学科技有限公司 光栅结构及其加工方法、镜片及头戴显示设备
JP2024106462A (ja) * 2023-01-27 2024-08-08 キヤノン株式会社 回折光学素子、光学系、撮像装置、および表示装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016218436A (ja) 2015-05-15 2016-12-22 キヤノン株式会社 回折光学素子、光学系、および、光学機器
US20170123208A1 (en) 2015-10-29 2017-05-04 Tuomas Vallius Diffractive optical element with uncoupled grating structures

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6650477B2 (en) * 2000-06-07 2003-11-18 Canon Kabushiki Kaisha Diffractive optical element and optical apparatus having the same
JP4341332B2 (ja) * 2002-07-31 2009-10-07 旭硝子株式会社 光ヘッド装置
JP2004126394A (ja) * 2002-10-04 2004-04-22 Nikon Corp 回折光学素子
JP4898379B2 (ja) * 2006-10-11 2012-03-14 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
DE102007032371A1 (de) * 2007-07-06 2009-01-15 Carl Zeiss Laser Optics Gmbh Verfahren zum Beschichten eines optischen Bauelements für eine Laseranordnung
JP5132284B2 (ja) * 2007-12-03 2013-01-30 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並びに光学機器
JPWO2011099550A1 (ja) 2010-02-15 2013-06-13 株式会社ニコン 光学素子及び光学系
JP2011242762A (ja) * 2010-04-23 2011-12-01 Panasonic Corp 回折光学素子及び光学機器
JP5777353B2 (ja) * 2010-06-11 2015-09-09 キヤノン株式会社 回折光学素子、光学系、及び、光学機器
JP5700984B2 (ja) * 2010-09-15 2015-04-15 キヤノン株式会社 位相差板及び投射型画像表示装置
JP5787508B2 (ja) * 2010-11-11 2015-09-30 キヤノン株式会社 回折光学素子及び光学系
WO2012077350A1 (ja) * 2010-12-10 2012-06-14 パナソニック株式会社 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
JP2013125259A (ja) * 2011-12-16 2013-06-24 Canon Inc 回折光学素子、光学系および光学機器
JP5885518B2 (ja) * 2012-01-30 2016-03-15 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
JP2014170109A (ja) * 2013-03-04 2014-09-18 Canon Inc 回折光学素子、光学系および光学機器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016218436A (ja) 2015-05-15 2016-12-22 キヤノン株式会社 回折光学素子、光学系、および、光学機器
US20170123208A1 (en) 2015-10-29 2017-05-04 Tuomas Vallius Diffractive optical element with uncoupled grating structures

Also Published As

Publication number Publication date
US20190113663A1 (en) 2019-04-18
US10890698B2 (en) 2021-01-12
JP2019074551A (ja) 2019-05-16

Similar Documents

Publication Publication Date Title
US8223436B2 (en) Rear attachment lens, imaging optical system and image pickup apparatus
US8120852B2 (en) Diffractive optical element, optical system, and optical apparatus
JP5137432B2 (ja) 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
JP7071085B2 (ja) 回折光学素子、光学系、および、撮像装置
JP5074790B2 (ja) ズームレンズ及びそれを有する撮像装置
US9030750B2 (en) Objective lens
JP2009139543A (ja) 光学系及びそれを有する光学機器
JPWO2011024258A1 (ja) 光学系及びそれを有する光学機器
US20110122305A1 (en) Diffractive optical element, optical system including the same, and image pickup apparatus
WO2013141284A1 (ja) 赤外線用光学系
JP6971654B2 (ja) 光学系及びそれを有する撮像装置
JP4776988B2 (ja) 光学系及びそれを有する光学機器
JP4579553B2 (ja) 光学系及びそれを有する光学機器
KR20020071752A (ko) 회절광학소자와, 이 회절광학소자를 가진 광학계 및광학장치
JP3833754B2 (ja) 回折型光学素子を有する電子カメラ
JP6961366B2 (ja) 光学系及びそれを有する撮像装置
JPH10186223A (ja) トリプレットレンズ
WO2013161197A1 (ja) ズームレンズ及びこれを有する光学機器
JP6192325B2 (ja) 撮像光学系及びそれを有する撮像装置
JP3467018B2 (ja) 光学系及び光学機器
JP4817705B2 (ja) 光学系
JPH1152233A (ja) アタッチメントレンズ及びそれを装着した光学系
JP2015203790A (ja) 光学系およびこれを用いた光学機器
JP6991756B2 (ja) 撮像光学系及びそれを有する撮像装置
JP2021076817A (ja) 投影レンズ

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20201006

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20201006

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20210730

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20210803

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20210916

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20211130

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220121

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20220405

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20220506

R151 Written notification of patent or utility model registration

Ref document number: 7071085

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151