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Class Information
Number: 359/563
Name: Optical: systems and elements > Diffraction > Using fourier transform spatial filtering > With diffraction grating
Description: Subject matter wherein a series of very fine, closely spaced parallel slits, or of very narrow, parallel reflecting surfaces are included in the optical system, either before or at the Fourier transform plane in order to produce a successsion of spectra when light is incident thereon at a specific angle.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7599106 |
Optical mask and MOPA laser apparatus including the same |
Oct. 6, 2009 |
| 7554732 |
Wavefront coded imaging systems |
Jun. 30, 2009 |
| 7554731 |
Wavefront coded imaging systems |
Jun. 30, 2009 |
| 7543940 |
Virtual input element image projection apparatus |
Jun. 9, 2009 |
| 7515343 |
System for projecting an image using narrow band light sources |
Apr. 7, 2009 |
| 7495814 |
Raster scanning-type display device using diffractive optical modulator |
Feb. 24, 2009 |
| 7495816 |
Diffraction-based pulse shaping with a 2D optical modulator |
Feb. 24, 2009 |
| 7471454 |
Dynamic optical tag communicator and system using corner cube modulating retroreflector |
Dec. 30, 2008 |
| 7469202 |
System and method for optimizing optical and digital system designs |
Dec. 23, 2008 |
| 7458691 |
Holographic combiners for illumination of spatial light modulators in projection systems |
Dec. 2, 2008 |
| 7322700 |
Image display apparatus |
Jan. 29, 2008 |
| 7295504 |
Beam shaping element, and light source unit and optical pickup using same |
Nov. 13, 2007 |
| 7256942 |
Single lens element, light source device and scanning optical device |
Aug. 14, 2007 |
| 7237940 |
Light guide plate with subwavelength grating and backlight module using the same |
Jul. 3, 2007 |
| 7221515 |
Optical diffraction element |
May. 22, 2007 |
| 7133204 |
Apparatus and methods for generating multiple exit-pupil images in an expanded exit pupil |
Nov. 7, 2006 |
| 7125121 |
Image display apparatus |
Oct. 24, 2006 |
| 7114820 |
Backlighting light pipe for illuminating a flat-panel display |
Oct. 3, 2006 |
| 7106510 |
Wavefront coded imaging systems |
Sep. 12, 2006 |
| 7085054 |
Diffraction grating element |
Aug. 1, 2006 |
| 7065272 |
Fiber-to-waveguide coupler |
Jun. 20, 2006 |
| 7031571 |
Bragg grating and method of producing a Bragg grating using an ultrafast laser |
Apr. 18, 2006 |
| 7031078 |
Laminated diffractive optical element |
Apr. 18, 2006 |
| 7023630 |
Optical element having minute periodic structure |
Apr. 4, 2006 |
| 6982819 |
Electro-optic array interface |
Jan. 3, 2006 |
| 6977765 |
Diffractive light modulator using cantilevers |
Dec. 20, 2005 |
| 6967777 |
Superposing diffraction optical element homogenizer optical system |
Nov. 22, 2005 |
| 6940583 |
Method and apparatus for amplitude filtering in the frequency plane of a lithographic projection system |
Sep. 6, 2005 |
| 6940649 |
Wavefront coded imaging systems |
Sep. 6, 2005 |
| 6917471 |
Diffraction grating element |
Jul. 12, 2005 |
| 6895334 |
Method and apparatus for optimizing optical system and recording medium with program for optimizing optical system |
May. 17, 2005 |
| 6894836 |
Diffraction grating, method of making and method of using |
May. 17, 2005 |
| 6891675 |
Optical device |
May. 10, 2005 |
| 6813063 |
Exciton polariton optical switch |
Nov. 2, 2004 |
| 6806997 |
Patterned diffractive light modulator ribbon for PDL reduction |
Oct. 19, 2004 |
| 6762882 |
System and method for use of dark field fourier diaphragm in multi-frequency imaging |
Jul. 13, 2004 |
| 6717199 |
Tailored insulator properties for devices |
Apr. 6, 2004 |
| 6712473 |
Mirror array device and projection type display apparatus using the same |
Mar. 30, 2004 |
| 6641985 |
Method for making element |
Nov. 4, 2003 |
| 6636660 |
Monochrometer and wavelength division multiplexer comprising said monochrometer |
Oct. 21, 2003 |
| 6636293 |
Exposure method and apparatus having a decreased light intensity distribution |
Oct. 21, 2003 |
| 6591039 |
Method and equipment for writing a Bragg grating in a waveguide |
Jul. 8, 2003 |
| 6567226 |
Method for designing a refractive or reflective optical system and method for designing a diffraction optical element |
May. 20, 2003 |
| 6347171 |
Method and apparatus for forming a diffraction grating |
Feb. 12, 2002 |
| 6278553 |
Optical system having refractive index distribution |
Aug. 21, 2001 |
| 6252714 |
Diffractive homogenizer with compensation for spatial coherence |
Jun. 26, 2001 |
| 6246521 |
Compact lighting device |
Jun. 12, 2001 |
| 6069737 |
Optical arrangement with a diffractive optical element |
May. 30, 2000 |
| 5925867 |
Optical device including multiple reflectors and optical systems for reading bar codes |
Jul. 20, 1999 |
| 5828491 |
Phase plate technology for laser marking of magnetic discs |
Oct. 27, 1998 |
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