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Class Information
Number: 359/484
Name: Optical: systems and elements > Polarization without modulation > Time invariant electric, magnetic, or electromagnetic field responsive (e.g., electro-optical, magneto-optical)
Description: Subject matter wherein an electrical, magnetic, or electromagnetic field, which is unchanging in time, is applied to the device producing the polarization.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
6445499 Optical circulators Sep. 3, 2002
6437904 Waveplate polarization rotator Aug. 20, 2002
6421176 Optical isolator Jul. 16, 2002
6417952 Faraday rotation angle varying device Jul. 9, 2002
6407861 Adjustable optical circulator Jun. 18, 2002
6402994 Thermally stable molecules with large dipole moments and polarizabilities and applications thereof Jun. 11, 2002
6404536 Polarization independent tunable acousto-optical filter and the method of the same Jun. 11, 2002
6404549 Optical circulator Jun. 11, 2002
6396629 Multi-functional optical device utilizing multiple birefringent plates and a non-linear interferometer May. 28, 2002
6392784 Faraday rotator May. 21, 2002
6377720 Inline optical circulators Apr. 23, 2002
6370285 Wavelength characteristic control device, gain equalizer, and light amplifier Apr. 9, 2002
6370286 Tunable periodic filter Apr. 9, 2002
6366402 Method and system for providing an in-line optical circulator Apr. 2, 2002
6366390 Pulse interleaver Apr. 2, 2002
6359722 Optical isolator with a compact dimension Mar. 19, 2002
6359733 Composite optical element, optical isolator, optical circulator, optical switch and processes for producing them Mar. 19, 2002
6339492 Tunable optical filter Jan. 15, 2002
6333816 Apparatus capable of operating as interleaver/deinterleavers or filters Dec. 25, 2001
6333806 Variable optical attenuator which applies a magnetic field to a Faraday element to rotate the polarization of a light signal Dec. 25, 2001
6331912 Optical circulator Dec. 18, 2001
6317250 Optical isolator using multiple core fibers Nov. 13, 2001
6304380 Reducing polarization dependency of optical apparatus Oct. 16, 2001
6301045 Three-port optical circulator Oct. 9, 2001
6288827 Faraday rotator Sep. 11, 2001
6289156 Low cost fiber optic circulator Sep. 11, 2001
6288826 Multi-stage optical isolator Sep. 11, 2001
6285499 Compact polarization insensitive circulators with simplified structure and low polarization mode dispersion Sep. 4, 2001
6278547 Polarization insensitive faraday attenuator Aug. 21, 2001
6275336 Optical isolator Aug. 14, 2001
6252708 Temperature compensator for faraday rotator Jun. 26, 2001
6246518 Reflection type optical isolator Jun. 12, 2001
6246807 Optical circulator Jun. 12, 2001
6239900 Reflective fiber-optic isolator May. 29, 2001
6236506 Reflection-type optical circulation utilizing a lens and birefringent plates May. 22, 2001
6226115 Optical circulator or switch having a birefringent wedge positioned between faraday rotators May. 1, 2001
6212008 Compact polarization insensitive circulators with simplified structure and low polarization mode dispersion Apr. 3, 2001
6198567 Faraday rotation variable attenuator Mar. 6, 2001
6190016 Irradiation device for an alignment layer of a liquid crystal cell element Feb. 20, 2001
6178044 Method and system for providing an optical circulator Jan. 23, 2001
6175448 Optical circulators using beam angle turners Jan. 16, 2001
6175668 Wideband polarization splitter, combiner, isolator and controller Jan. 16, 2001
6154581 Multiple port, fiber optic circulator Nov. 28, 2000
6130778 Composite optical element, optical isolator, optical circulator, optical switch and process for producing them Oct. 10, 2000
6128423 Reflection type magneto-optic sensor Oct. 3, 2000
6111695 Optical circulator Aug. 29, 2000
6108120 Faraday rotation angle varying apparatus Aug. 22, 2000
6101026 Reversible amplifier for optical networks Aug. 8, 2000
6091543 Apparatus for providing non-reciprocal termination of parallel like polarization modes Jul. 18, 2000
6091866 Optical isolator Jul. 18, 2000

1 2 3 4 5 6 7 8










 
 
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