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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:
| 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 |
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