GB2508972B - Aperture stop assembly and aperture element for an optical imaging system - Google Patents

Aperture stop assembly and aperture element for an optical imaging system

Info

Publication number
GB2508972B
GB2508972B GB1318900.6A GB201318900A GB2508972B GB 2508972 B GB2508972 B GB 2508972B GB 201318900 A GB201318900 A GB 201318900A GB 2508972 B GB2508972 B GB 2508972B
Authority
GB
United Kingdom
Prior art keywords
aperture
imaging system
optical imaging
stop assembly
aperture stop
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.)
Expired - Fee Related
Application number
GB1318900.6A
Other versions
GB201318900D0 (en
GB2508972A (en
Inventor
Jie Han
Kevin George Harding
Guiju Song
Li Tao
Zirong Zhai
Dongmin Yang
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.)
General Electric Co
Original Assignee
General Electric Co
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
Priority claimed from CN201110293452.XA external-priority patent/CN103033942B/en
Application filed by General Electric Co filed Critical General Electric Co
Publication of GB201318900D0 publication Critical patent/GB201318900D0/en
Publication of GB2508972A publication Critical patent/GB2508972A/en
Application granted granted Critical
Publication of GB2508972B publication Critical patent/GB2508972B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties
    • 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
    • G02B27/286—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Polarising Elements (AREA)
  • Studio Devices (AREA)
GB1318900.6A 2011-09-29 2012-09-24 Aperture stop assembly and aperture element for an optical imaging system Expired - Fee Related GB2508972B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110293452.XA CN103033942B (en) 2011-09-29 2011-09-29 Optical imaging system and method and aperture diaphragm assembly and aperture element
GB1216954.6A GB2495198B (en) 2011-09-29 2012-09-24 Optical imaging system and method, and aperture stop assembly and aperture element

Publications (3)

Publication Number Publication Date
GB201318900D0 GB201318900D0 (en) 2013-12-11
GB2508972A GB2508972A (en) 2014-06-18
GB2508972B true GB2508972B (en) 2015-09-02

Family

ID=50774858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1318900.6A Expired - Fee Related GB2508972B (en) 2011-09-29 2012-09-24 Aperture stop assembly and aperture element for an optical imaging system

Country Status (1)

Country Link
GB (1) GB2508972B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015221A (en) * 1975-01-22 1977-03-29 Crosfield Electronics Limited Preparation of gravure printing surfaces
US20060170901A1 (en) * 2004-02-06 2006-08-03 Nikon Corporation Polarization-modulating element, illumination optical apparatus, exposure apparatus, and exposure method
CN102073264A (en) * 2010-11-19 2011-05-25 中山大学 Time-sharing multiplexing computational holographic three-dimensional display system and display method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015221A (en) * 1975-01-22 1977-03-29 Crosfield Electronics Limited Preparation of gravure printing surfaces
US20060170901A1 (en) * 2004-02-06 2006-08-03 Nikon Corporation Polarization-modulating element, illumination optical apparatus, exposure apparatus, and exposure method
CN102073264A (en) * 2010-11-19 2011-05-25 中山大学 Time-sharing multiplexing computational holographic three-dimensional display system and display method thereof

Also Published As

Publication number Publication date
GB201318900D0 (en) 2013-12-11
GB2508972A (en) 2014-06-18

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160924