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Browse by Category: Main > Optical & Optics
Class Information
Number: 372/42
Name: Coherent light generators > Particular active media > Insulating crystal > Utilizing color centers
Description: Subject matter wherein color centers are formed within the crystal material which consist of displaced electrons that are trapped in regions of positive charge or of a "hole" or region of electron deficiency, which behaves like a "negative electron" or "positive hole", which can be trapped or localized in well-defined sites and which can impart color to the crystal material.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8197066 Image display apparatus Jun. 12, 2012
8040931 Dual layer color-center patterned light source Oct. 18, 2011
7995631 Solid-state laser with spatially-tailored active ion concentration using valence conversion with surface masking and method Aug. 9, 2011
7961762 White light-emitting lamp and illuminating device using the same Jun. 14, 2011
7829902 Quantum photonic imagers and methods of fabrication thereof Nov. 9, 2010
7775668 Color-mixing laser module and projectors using the same Aug. 17, 2010
7260127 Dual layer color-center patterned light source Aug. 21, 2007
7199390 Window interface layer of a light-emitting diode Apr. 3, 2007
6983003 III-V nitride semiconductor laser device Jan. 3, 2006
6967984 External cavity laser Nov. 22, 2005
6870868 Organic laser having improved linearity Mar. 22, 2005
6853664 Semiconductor laser element, semiconductor etchant, and method of fabricating the semiconductor laser element Feb. 8, 2005
6829273 Nitride semiconductor layer structure and a nitride semiconductor laser incorporating a portion of same Dec. 7, 2004
6798815 High power semiconductor laser diode and method for making such a diode Sep. 28, 2004
6795465 Dual layer color-center patterned light source Sep. 21, 2004
6687275 Resonating cavity system for broadly tunable multi-wavelength semiconductor lasers Feb. 3, 2004
6650575 Programmable delay circuit within a content addressable memory Nov. 18, 2003
6632757 Transparent forsterite glass-ceramics Oct. 14, 2003
6606332 Method and apparatus of color mixing in a laser diode system Aug. 12, 2003
6549554 Semiconductor laser element, semiconductor etchant, and method of fabricating the semiconductor laser element Apr. 15, 2003
6285700 Semiconductor laser Sep. 4, 2001
6263002 Tunable fiber Fabry-Perot surface-emitting lasers Jul. 17, 2001
5982797 Room temperature stable color center laser, LiF:F.sub.2.sup.+ ** material, method of lasing Nov. 9, 1999
5889804 Artificial color-center light source Mar. 30, 1999
RE35946 Optical fibre amplifier with fluorescent additive and method of amplifying signals using same Nov. 3, 1998
5583957 Optical switch Dec. 10, 1996
5581499 Micro information storage system Dec. 3, 1996
5504767 Doped diamond laser Apr. 2, 1996
5487079 Continuously tunable UV Ce:LiSAF solid state laser Jan. 23, 1996
5471493 Sc.sup.2+ based active crystalline luminescent media for laser systems tunable in UV-visible spectral range Nov. 28, 1995
5461635 Solid state laser with superbroadband or control generation spectrum Oct. 24, 1995
5448582 Optical sources having a strongly scattering gain medium providing laser-like action Sep. 5, 1995
5271025 Mode-locked upconversion laser source Dec. 14, 1993
5267254 Color center laser with transverse auxiliary illumination Nov. 30, 1993
4990322 NaCl:OH color center laser Feb. 5, 1991
4964133 Lasers in alkali halides using N and R color-centers Oct. 16, 1990
4950625 Diamond laser crystal and method manufacturing the same Aug. 21, 1990
4949347 Diamond laser, method for producing the same, and method for activating such a laser Aug. 14, 1990
4880613 Light emitting element comprising diamond and method for producing the same Nov. 14, 1989
4881234 Method for forming copious (F.sub.2.sup.+).sub.A centers in certain stable, broadly tunable laser-active materials Nov. 14, 1989
4847843 Color center laser fibre and applications thereof Jul. 11, 1989
4839009 NaCl: on color center laser Jun. 13, 1989
4833333 Solid state laser Q-switch having radial color center distribution May. 23, 1989
4811289 Optical recording device enploying doped crystal for optically storing information Mar. 7, 1989
4740988 Laser device having mirror heating Apr. 26, 1988
4733369 Method for providing separately adjustable voltage dependent optical properties Mar. 22, 1988
4672619 Color centers for tunable lasers in the near infrared region Jun. 9, 1987
4644550 Liquid cooled neodymium-phosphate glass-impulse laser particularly for medical applications Feb. 17, 1987
4638485 Solid state vibrational lasers using F-center/molecular-defect pairs in alkali halides Jan. 20, 1987
4638484 Solid state laser employing diamond having color centers as a laser active material Jan. 20, 1987

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