EP1896883A4 - Dual paraboloid reflector and dual ellipsoid reflector systems with optimized magnification - Google Patents

Dual paraboloid reflector and dual ellipsoid reflector systems with optimized magnification

Info

Publication number
EP1896883A4
EP1896883A4 EP06774363A EP06774363A EP1896883A4 EP 1896883 A4 EP1896883 A4 EP 1896883A4 EP 06774363 A EP06774363 A EP 06774363A EP 06774363 A EP06774363 A EP 06774363A EP 1896883 A4 EP1896883 A4 EP 1896883A4
Authority
EP
European Patent Office
Prior art keywords
dual
reflector
systems
ellipsoid
paraboloid
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.)
Withdrawn
Application number
EP06774363A
Other languages
German (de)
French (fr)
Other versions
EP1896883A2 (en
Inventor
Kenneth K Li
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.)
Wavien Inc
Original Assignee
Wavien 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
Priority claimed from US11/274,241 external-priority patent/US20060061894A1/en
Application filed by Wavien Inc filed Critical Wavien Inc
Publication of EP1896883A2 publication Critical patent/EP1896883A2/en
Publication of EP1896883A4 publication Critical patent/EP1896883A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G02B17/0605—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors
    • G02B17/0615—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors off-axis or unobscured systems in wich all of the mirrors share a common axis of rotational symmetry
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G02B19/0023—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors) at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Projection Apparatus (AREA)
  • Lenses (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
EP06774363A 2005-06-30 2006-06-29 Dual paraboloid reflector and dual ellipsoid reflector systems with optimized magnification Withdrawn EP1896883A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US69593405P 2005-06-30 2005-06-30
US11/274,241 US20060061894A1 (en) 2000-03-27 2005-11-14 Coupling of light from a light source to a target using dual ellipsoidal reflectors
PCT/US2006/025608 WO2007005624A2 (en) 2005-06-30 2006-06-29 Dual paraboloid reflector and dual ellipsoid reflector systems with optimized magnification

Publications (2)

Publication Number Publication Date
EP1896883A2 EP1896883A2 (en) 2008-03-12
EP1896883A4 true EP1896883A4 (en) 2009-01-21

Family

ID=37605048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06774363A Withdrawn EP1896883A4 (en) 2005-06-30 2006-06-29 Dual paraboloid reflector and dual ellipsoid reflector systems with optimized magnification

Country Status (3)

Country Link
EP (1) EP1896883A4 (en)
CA (1) CA2608368A1 (en)
WO (1) WO2007005624A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10151445B2 (en) 2014-03-10 2018-12-11 The Boeing Company Light assembly having light homogenizer
CN113625458B (en) * 2021-09-13 2022-04-22 北京理工大学 Double confocal reflection type zoom beam expander

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2021805A (en) * 1978-05-24 1979-12-05 Zeiss Stiftung Optical tocusing system with two ellipsoidal mirrors
EP0022346A1 (en) * 1979-07-02 1981-01-14 Ealing Infra-Red Limited Confocal reflector system
US5707131A (en) * 1996-01-24 1998-01-13 Cogent Light Technologies, Inc. Collections and condensing optical system using cascaded concave reflectors

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2018829A (en) * 1933-12-22 1935-10-29 Philip J Berry Headlight
US2819649A (en) * 1956-02-01 1958-01-14 Eastman Kodak Co Reflecting condenser system for projectors
US4757431A (en) 1986-07-01 1988-07-12 Laser Media Off-axis application of concave spherical reflectors as condensing and collecting optics
US5430634A (en) 1992-08-03 1995-07-04 Cogent Light Technologies, Inc. Concentrating and collecting optical system using concave toroidal reflectors
JP2786796B2 (en) * 1993-06-23 1998-08-13 シャープ株式会社 projector
US5414600A (en) 1993-07-30 1995-05-09 Cogent Light Technologies, Inc. Condensing and collecting optical system using an ellipsoidal reflector
US6672740B1 (en) 1999-07-01 2004-01-06 Cogent Light Technologies, Inc. Condensing and collecting optical system using parabolic reflectors or a corresponding ellipsoid/hyperboloid pair of reflectors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2021805A (en) * 1978-05-24 1979-12-05 Zeiss Stiftung Optical tocusing system with two ellipsoidal mirrors
EP0022346A1 (en) * 1979-07-02 1981-01-14 Ealing Infra-Red Limited Confocal reflector system
US5707131A (en) * 1996-01-24 1998-01-13 Cogent Light Technologies, Inc. Collections and condensing optical system using cascaded concave reflectors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007005624A2 *

Also Published As

Publication number Publication date
CA2608368A1 (en) 2007-01-11
WO2007005624A3 (en) 2007-12-06
WO2007005624A2 (en) 2007-01-11
EP1896883A2 (en) 2008-03-12

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