[go: up one dir, main page]

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
SE511560C2 (en
SE9803323D0 (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/SE511560C2/en
Publication of SE9803323D0 publication Critical patent/SE9803323D0/en
Priority to AU56619/99A priority patent/AU5661999A/en
Priority to PCT/SE1999/001327 priority patent/WO2000019251A1/en
Publication of SE9803323L publication Critical patent/SE9803323L/en
Publication of SE511560C2 publication Critical patent/SE511560C2/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 SE511560C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9803323A SE511560C2 (en) 1998-09-30 1998-09-30 Filter device and equipment comprising the filter device
AU56619/99A AU5661999A (en) 1998-09-30 1999-07-30 A colour filter device
PCT/SE1999/001327 WO2000019251A1 (en) 1998-09-30 1999-07-30 A colour filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9803323A SE511560C2 (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
SE9803323L true SE9803323L (en) 1999-10-18
SE511560C2 SE511560C2 (en) 1999-10-18

Family

ID=20412778

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9803323A SE511560C2 (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) SE511560C2 (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
US20050018290A1 (en) * 2001-04-05 2005-01-27 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
AU5661999A (en) 2000-04-17
SE511560C2 (en) 1999-10-18
SE9803323D0 (en) 1998-09-30
WO2000019251A9 (en) 2000-08-31
WO2000019251A1 (en) 2000-04-06

Similar Documents

Publication Publication Date Title
US4067043A (en) Optical conversion method
EP0052000A2 (en) Variable colour filters
US5479094A (en) Polarization insensitive current and magnetic field optic sensor
Fang et al. A compound high-order polarization-independent birefringence filter using Sagnac interferometers
AU5531196A (en) Liquid crystal achromatic compound retarder
US5768015A (en) Optical isolator
CA2146994A1 (en) Polarization viewer
KR937000876A (en) Eye protection for welding helmets, etc.
CA2069684A1 (en) Optical Isolator
EP0390604A3 (en) Quasi-achromatic optical isolators and circulators
CN104467958B (en) Ultrafast high-resolution optical channel monitoring device and the control system for optic network
KR100258183B1 (en) Inter-channel delay compensation multiwavelength channel transmission optical filter
CA2078994A1 (en) Optical apparatus
EP0147098A3 (en) Electro-optic switching system using circularly polarized light
CA2188259A1 (en) Single polarization fiber and amplifier
WO2002014939A1 (en) Farady rotation device and optical device comprising it
US5076669A (en) Method and apparatus for selectively blocking light beams of different wavelengths with single color-sensitive filter
US6466704B1 (en) Optical filtering method and device
FR2713347B1 (en) Magnetometer with coupled light polarization and radiofrequency field.
SE9803323L (en) Filter device and equipment comprising the filter device
WO2003012506A3 (en) Electro optical device with parallel sections for orthogonal polarization modes
EP0948152A3 (en) Method and apparatus for compensating the polarisation mode dispersion in an optical transmission line
FR2693801B1 (en) Magnetometer with light polarization and controlled radio frequency field.
US6535324B1 (en) Bi-directional wavelength-selective optical data apparatus
DE69413308T2 (en) Magneto-optical modulation system

Legal Events

Date Code Title Description
NUG Patent has lapsed