JP7671359B2 - 対物光学系、撮像ユニット、内視鏡及び内視鏡装置 - Google Patents

対物光学系、撮像ユニット、内視鏡及び内視鏡装置 Download PDF

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Publication number
JP7671359B2
JP7671359B2 JP2023549192A JP2023549192A JP7671359B2 JP 7671359 B2 JP7671359 B2 JP 7671359B2 JP 2023549192 A JP2023549192 A JP 2023549192A JP 2023549192 A JP2023549192 A JP 2023549192A JP 7671359 B2 JP7671359 B2 JP 7671359B2
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Japan
Prior art keywords
optical path
image
light
endoscope
images
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JP2023549192A
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English (en)
Japanese (ja)
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JPWO2023047458A1 (https=
JPWO2023047458A5 (https=
Inventor
善仁 井口
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Olympus Corp
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Olympus Corp
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2407—Optical details
    • G02B23/2423—Optical details of the distal end
    • G02B23/243—Objectives for endoscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/26—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes using light guides
    • 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
    • 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
    • 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
    • H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
JP2023549192A 2021-09-21 2021-09-21 対物光学系、撮像ユニット、内視鏡及び内視鏡装置 Active JP7671359B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/034548 WO2023047458A1 (ja) 2021-09-21 2021-09-21 対物光学系、撮像ユニット、内視鏡及び内視鏡装置

Publications (3)

Publication Number Publication Date
JPWO2023047458A1 JPWO2023047458A1 (https=) 2023-03-30
JPWO2023047458A5 JPWO2023047458A5 (https=) 2024-03-22
JP7671359B2 true JP7671359B2 (ja) 2025-05-01

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JP2023549192A Active JP7671359B2 (ja) 2021-09-21 2021-09-21 対物光学系、撮像ユニット、内視鏡及び内視鏡装置

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Country Link
US (1) US12393014B2 (https=)
JP (1) JP7671359B2 (https=)
CN (1) CN117916643A (https=)
WO (1) WO2023047458A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119882182A (zh) * 2025-01-06 2025-04-25 杭州瑾丽光电科技有限公司 一种多倍率单图像传感器测量镜头

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008293029A (ja) 2003-06-11 2008-12-04 Asml Holding Nv 最小のアポダイゼーションをもつ紫外線偏光ビームスプリッタ
WO2013190785A1 (ja) 2012-06-18 2013-12-27 パナソニック株式会社 スプリットユニット
WO2017203897A1 (ja) 2016-05-27 2017-11-30 オリンパス株式会社 対物光学系及びそれを備えた内視鏡装置
WO2018186123A1 (ja) 2017-04-03 2018-10-11 オリンパス株式会社 内視鏡システム及び内視鏡システムの調整方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6480330B1 (en) 2000-02-24 2002-11-12 Silicon Valley Group, Inc. Ultraviolet polarization beam splitter for microlithography
WO2014129089A1 (ja) * 2013-02-22 2014-08-28 オリンパスメディカルシステムズ株式会社 内視鏡用対物光学系及び撮像装置
WO2018225377A1 (ja) 2017-06-07 2018-12-13 オリンパス株式会社 内視鏡撮像システム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008293029A (ja) 2003-06-11 2008-12-04 Asml Holding Nv 最小のアポダイゼーションをもつ紫外線偏光ビームスプリッタ
WO2013190785A1 (ja) 2012-06-18 2013-12-27 パナソニック株式会社 スプリットユニット
WO2017203897A1 (ja) 2016-05-27 2017-11-30 オリンパス株式会社 対物光学系及びそれを備えた内視鏡装置
WO2018186123A1 (ja) 2017-04-03 2018-10-11 オリンパス株式会社 内視鏡システム及び内視鏡システムの調整方法

Also Published As

Publication number Publication date
CN117916643A (zh) 2024-04-19
JPWO2023047458A1 (https=) 2023-03-30
US20240192479A1 (en) 2024-06-13
WO2023047458A1 (ja) 2023-03-30
US12393014B2 (en) 2025-08-19

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