JP6704766B2 - 光学装置および撮像装置 - Google Patents

光学装置および撮像装置 Download PDF

Info

Publication number
JP6704766B2
JP6704766B2 JP2016061578A JP2016061578A JP6704766B2 JP 6704766 B2 JP6704766 B2 JP 6704766B2 JP 2016061578 A JP2016061578 A JP 2016061578A JP 2016061578 A JP2016061578 A JP 2016061578A JP 6704766 B2 JP6704766 B2 JP 6704766B2
Authority
JP
Japan
Prior art keywords
retardation plate
phase difference
polarization
axis direction
liquid crystal
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
JP2016061578A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017173685A5 (enExample
JP2017173685A (ja
Inventor
山口　裕
裕 山口
理絵 石松
理絵 石松
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 JP2016061578A priority Critical patent/JP6704766B2/ja
Publication of JP2017173685A publication Critical patent/JP2017173685A/ja
Publication of JP2017173685A5 publication Critical patent/JP2017173685A5/ja
Application granted granted Critical
Publication of JP6704766B2 publication Critical patent/JP6704766B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Liquid Crystal (AREA)
  • Studio Devices (AREA)
  • Blocking Light For Cameras (AREA)
  • Polarising Elements (AREA)
JP2016061578A 2016-03-25 2016-03-25 光学装置および撮像装置 Active JP6704766B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2016061578A JP6704766B2 (ja) 2016-03-25 2016-03-25 光学装置および撮像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016061578A JP6704766B2 (ja) 2016-03-25 2016-03-25 光学装置および撮像装置

Publications (3)

Publication Number Publication Date
JP2017173685A JP2017173685A (ja) 2017-09-28
JP2017173685A5 JP2017173685A5 (enExample) 2019-05-09
JP6704766B2 true JP6704766B2 (ja) 2020-06-03

Family

ID=59972064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016061578A Active JP6704766B2 (ja) 2016-03-25 2016-03-25 光学装置および撮像装置

Country Status (1)

Country Link
JP (1) JP6704766B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102008249B1 (ko) 2018-06-25 2019-09-04 사이정보통신(주) 자동 편광 조절 장치 및 방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2411735A (en) * 2004-03-06 2005-09-07 Sharp Kk Control of liquid crystal alignment in an optical device
JP2010124011A (ja) * 2007-02-23 2010-06-03 Nippon Sheet Glass Co Ltd 偏光画像撮像装置、画像処理装置、偏光画像撮像方法および画像処理方法
GB2451494B (en) * 2007-08-01 2011-06-08 Qinetiq Ltd Polarimetric imaging apparatus
US8004675B2 (en) * 2007-09-20 2011-08-23 Boss Nova Technologies, LLC Method and system for stokes polarization imaging
CN101539458B (zh) * 2009-04-30 2011-05-11 合肥工业大学 全自动大气偏振模式图像获取系统及系统控制方式
US20100315567A1 (en) * 2009-06-15 2010-12-16 Bing Wen Liquid crystal based broadband filter for fast polarization imaging
WO2013031100A1 (ja) * 2011-09-02 2013-03-07 パナソニック株式会社 偏光撮像素子および内視鏡
JP6482308B2 (ja) * 2015-02-09 2019-03-13 キヤノン株式会社 光学装置および撮像装置

Also Published As

Publication number Publication date
JP2017173685A (ja) 2017-09-28

Similar Documents

Publication Publication Date Title
JP6482308B2 (ja) 光学装置および撮像装置
US10334140B2 (en) Image processing apparatus, image pickup apparatus, and image processing method
EP2875315B1 (en) Stereo camera
JP6679366B2 (ja) 光学装置および撮像装置
US20090179143A1 (en) Image capturing device
JP6869655B2 (ja) 光学装置および撮像装置
JP5254323B2 (ja) 光学歪み計測装置
US10411048B2 (en) Control apparatus, image pickup apparatus, and image pickup control method
TWI485382B (zh) And a measuring device for measuring the inclination angle of the reflective liquid crystal cell
JP6704766B2 (ja) 光学装置および撮像装置
US20220003910A1 (en) Aligning a polarization device using a spatially variant polarization element
JP6873621B2 (ja) 光学装置および撮像装置
US10277828B2 (en) Image pickup apparatus, control apparatus, control method, and storage medium
JP2017058559A (ja) 光学装置および撮像装置
JP2018044865A (ja) 光学機器のキャリブレーション法
US12250446B2 (en) Image processing apparatus, image pickup apparatus, and image processing method for acquiring polarization information
JP2008020231A (ja) 光学主軸分布測定方法および光学主軸分布測定装置
JP2016029424A (ja) 偏光フィルターを有する撮像装置
JP2020106563A (ja) 撮像装置
JP2021005002A (ja) 撮像装置
JP2009025593A (ja) 光学補償板の検査方法
JP2012032963A (ja) 偏光撮影装置
JP2009063722A (ja) 偏光補正光学系及びそれを用いた顕微鏡装置
JP2012032242A (ja) 偏光撮影装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190320

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20190320

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200204

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20200131

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200401

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: 20200414

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20200513

R151 Written notification of patent or utility model registration

Ref document number: 6704766

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151