SE9803323L - Filter device and equipment comprising the filter device - Google Patents

Filter device and equipment comprising the filter device

Info

Publication number
SE9803323L
SE9803323L SE9803323A SE9803323A SE9803323L SE 9803323 L SE9803323 L SE 9803323L SE 9803323 A SE9803323 A SE 9803323A SE 9803323 A SE9803323 A SE 9803323A SE 9803323 L SE9803323 L SE 9803323L
Authority
SE
Sweden
Prior art keywords
elements
filter device
equipment
concerning
optical path
Prior art date
Application number
SE9803323A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9803323D0 (en
SE511560C2 (en
Inventor
Richard Ryan Magnusson
Original Assignee
Richard Ryan Magnusson
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 Richard Ryan Magnusson filed Critical Richard Ryan Magnusson
Priority to SE9803323A priority Critical patent/SE9803323L/en
Publication of SE9803323D0 publication Critical patent/SE9803323D0/en
Priority to PCT/SE1999/001327 priority patent/WO2000019251A1/en
Priority to AU56619/99A priority patent/AU5661999A/en
Publication of SE511560C2 publication Critical patent/SE511560C2/en
Publication of SE9803323L publication Critical patent/SE9803323L/en

Links

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
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/288—Filters employing polarising elements, e.g. Lyot or Solc filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Filters (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

The invention concerns a colour filter device (10) comprising at least a first (12), a second (14), and a third (16) element. Each of the first (12) and the second (14) elements comprises a polarizer. The first (12) and the second (14) elements are arranged such that an optical path (24) is formed between them. The third element (16) comprises a birefringent means positioned on the optical path (24) between the polarizers (12, 14) and is arranged to transmit electromagnetic radiation. The third element (16) and at least one of the first (12) and the second (14) elements are controllably arranged in such a manner that, concerning the first (12) and the second (14) elements, the direction of polarization of the element is variable and concerning the third (16) element, the birefringent means is rotatable. By said control of the elements (12, 14, 16), the transmitted spectral range may be changed.
SE9803323A 1998-09-30 1998-09-30 Filter device and equipment comprising the filter device SE9803323L (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9803323A SE9803323L (en) 1998-09-30 1998-09-30 Filter device and equipment comprising the filter device
PCT/SE1999/001327 WO2000019251A1 (en) 1998-09-30 1999-07-30 A colour filter device
AU56619/99A AU5661999A (en) 1998-09-30 1999-07-30 A colour filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9803323A SE9803323L (en) 1998-09-30 1998-09-30 Filter device and equipment comprising the filter device

Publications (3)

Publication Number Publication Date
SE9803323D0 SE9803323D0 (en) 1998-09-30
SE511560C2 SE511560C2 (en) 1999-10-18
SE9803323L true SE9803323L (en) 1999-10-18

Family

ID=20412778

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9803323A SE9803323L (en) 1998-09-30 1998-09-30 Filter device and equipment comprising the filter device

Country Status (3)

Country Link
AU (1) AU5661999A (en)
SE (1) SE9803323L (en)
WO (1) WO2000019251A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002082169A1 (en) * 2001-04-05 2002-10-17 Ferenc Kiss Colour filter means having optical activity under the influence of a polarized light

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4416514A (en) * 1980-11-10 1983-11-22 Polaroid Corporation Color filter
US4896218A (en) * 1987-09-04 1990-01-23 Rockwell International Corporation Circularly polarized multi-bandpass interference contrast enhancement filter
US4793669A (en) * 1987-09-11 1988-12-27 Coherent, Inc. Multilayer optical filter for producing colored reflected light and neutral transmission

Also Published As

Publication number Publication date
SE9803323D0 (en) 1998-09-30
WO2000019251A1 (en) 2000-04-06
SE511560C2 (en) 1999-10-18
AU5661999A (en) 2000-04-17
WO2000019251A9 (en) 2000-08-31

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Legal Events

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