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Class Information
Number: 359/497
Name: Optical: systems and elements > Polarization without modulation > Light polarization without any external input > By birefringent element > Using plural elements
Description: Subject matter wherein beam polarization is achieved by multiple birefringent elements.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6002518 |
Phase-retardation based system for stereoscopic viewing micropolarized spatially-multiplexed images substantially free of visual-channel cross-talk and asymmetric image distortion |
Dec. 14, 1999 |
| 5999240 |
Optical retarder stack pair for transforming input light into polarization states having saturated color spectra |
Dec. 7, 1999 |
| 5986809 |
Polarization conversion element, polarization illuminator, display using the same illuminator, and projection type display |
Nov. 16, 1999 |
| 5986784 |
Adaptive polarization diversity detection scheme for coherent communications and interferometric fiber sensors |
Nov. 16, 1999 |
| 5982539 |
Optical device |
Nov. 9, 1999 |
| 5982541 |
High efficiency projection displays having thin film polarizing beam-splitters |
Nov. 9, 1999 |
| 5978136 |
Optical element, polarization illumination device, and projection display apparatus |
Nov. 2, 1999 |
| 5977478 |
Solar module |
Nov. 2, 1999 |
| 5974205 |
Compact two-by-n optical components based on birefringent walk-off crystals |
Oct. 26, 1999 |
| 5973835 |
Multilayer thin-film broad-band polarizing beam-splitter |
Oct. 26, 1999 |
| 5973832 |
High performance optical circulators |
Oct. 26, 1999 |
| 5953137 |
Linear conoscopic holography |
Sep. 14, 1999 |
| 5946116 |
1 X N digitally programmable optical routing switch |
Aug. 31, 1999 |
| 5930422 |
Optical circulator |
Jul. 27, 1999 |
| 5930038 |
Optical isolator with polarization dispersion and differential transverse deflection correction |
Jul. 27, 1999 |
| 5928801 |
Electroluminescent illumination system |
Jul. 27, 1999 |
| 5923470 |
Polarization beam splitter |
Jul. 13, 1999 |
| 5912766 |
Optical isolator |
Jun. 15, 1999 |
| 5905823 |
Polarization independent optical nonreciprocal circuit based on even mode to odd mode conversion |
May. 18, 1999 |
| 5903396 |
Intensified visual display |
May. 11, 1999 |
| 5903388 |
High efficiency electromagnetic beam projector and systems and method for implementation thereof |
May. 11, 1999 |
| 5900974 |
Backing plate for contrast enhancement of photolithographic images on transparent substrates and method of using same |
May. 4, 1999 |
| 5900977 |
Polarizing element including layer having alternating areas of birefringent and isotropic materials |
May. 4, 1999 |
| 5900976 |
Display system including a polarizing beam splitter |
May. 4, 1999 |
| 5888603 |
Stacked films birefringent device and method of making same |
Mar. 30, 1999 |
| 5872652 |
Optical isolator and optical part having heat-resistant anti-reflection coating |
Feb. 16, 1999 |
| 5872878 |
Partial optical circulators |
Feb. 16, 1999 |
| 5867315 |
Crystal optic lens and an optical system for an optical pickup device |
Feb. 2, 1999 |
| 5864428 |
Polarizing device |
Jan. 26, 1999 |
| 5828488 |
Reflective polarizer display |
Oct. 27, 1998 |
| 5825542 |
Diffusely reflecting multilayer polarizers and mirrors |
Oct. 20, 1998 |
| 5818626 |
Method and apparatus for optical isolation |
Oct. 6, 1998 |
| 5805336 |
Optical lens blank with polarizer aligned between plastic birefringent sheets |
Sep. 8, 1998 |
| 5774264 |
Polarization independent optical isolator |
Jun. 30, 1998 |
| 5768005 |
Multi-stage optical isolator |
Jun. 16, 1998 |
| 5768015 |
Optical isolator |
Jun. 16, 1998 |
| 5757547 |
High efficiency homogeneous polarization converter |
May. 26, 1998 |
| 5751480 |
Plate-like polarizing element, a polarizing conversion unit provided with the element, and a projector provided with the unit |
May. 12, 1998 |
| 5739855 |
Optical low-pass filtering |
Apr. 14, 1998 |
| 5737124 |
Polarizing splitter device and application to a system for illuminating a liquid-crystal screen |
Apr. 7, 1998 |
| 5734763 |
Compact two-by-n optical components based on bierfringent walk-off crystals |
Mar. 31, 1998 |
| 5726801 |
Reduced optical isolator module for a miniaturized laser diode assembly |
Mar. 10, 1998 |
| 5719702 |
Polarization-balanced beamsplitter |
Feb. 17, 1998 |
| 5715085 |
Optical filter |
Feb. 3, 1998 |
| 5715084 |
Reflection and refraction optical system and projection exposure apparatus using the same |
Feb. 3, 1998 |
| 5701201 |
Apparatus for scanning drum inner face and method of scanning therefor |
Dec. 23, 1997 |
| 5691830 |
Holographic optical system including waveplate and aliasing suppression filter |
Nov. 25, 1997 |
| 5691845 |
Optical isolator, optical isolator with fiber and method for making the same |
Nov. 25, 1997 |
| 5689368 |
Apparatus for scanning drum inner face and method of scanning therefor |
Nov. 18, 1997 |
| 5689359 |
Polarization independent optical isolator |
Nov. 18, 1997 |
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