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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Caprara; Andrea
Address:
Menlo Park, CA
No. of patents:
23
Patents:












Patent Number Title Of Patent Date Issued
7643530 High-power external-cavity optically-pumped semiconductor lasers January 5, 2010
External-cavity optically-pumped semiconductor lasers (OPS-lasers) including an OPS-structure having a mirror-structure surmounted by a surface-emitting, semiconductor multilayer (periodic) gain-structure are disclosed. The gain-structure is pumped by light from diode-lasers. The OPS
7633562 Laser illuminated projection displays December 15, 2009
A projection video display includes a light source including an OPS-laser delivering laser radiation in multiple transverse modes (a multiple-transverse-mode OPS-laser). The display includes a spatial light modulator for spatially modulating the radiation from the multiple-transverse
7355657 Laser illuminated projection displays April 8, 2008
A projection video display includes a light source including an OPS-laser delivering laser radiation in multiple transverse modes (a multiple-transverse-mode OPS-laser). The display includes a spatial light modulator for spatially modulating the radiation from the multiple-transverse
7254153 Optically pumped semiconductor ring laser August 7, 2007
An optically pumped semiconductor laser includes an active ring-resonator having two or more optically pumped semiconductor (OPS) structures each including a mirror-structure and a multilayer gain-structure. The mirror-structures serve as fold mirrors for the resonator axis. An optic
7244028 Laser illuminated projection displays July 17, 2007
A projection video display includes at least one laser for delivering a light beam. The display includes a beam homogenizer and a condenser lens. A scanning arrangement is provided for scanning the light in beam in a particular pattern over the condenser lens in a manner that effectively
7180928 High-power external-cavity optically-pumped semiconductor lasers February 20, 2007
External-cavity optically-pumped semiconductor lasers (OPS-lasers) including an OPS-structure having a mirror-structure surmounted by a surface-emitting, semiconductor multilayer (periodic) gain-structure are disclosed. The gain-structure is pumped by light from diode-lasers. The OPS
7139300 Wide-stripe single-mode diode-laser November 21, 2006
A wide-stripe diode-laser includes a lower cladding region, a lower waveguide region, an active region, an upper waveguide region, and an upper cladding region all comprising semiconductor layers epitaxially grown on a semiconductor substrate. An elongated rectangular electrode on th
7130321 Intracavity frequency-tripled CW laser with traveling-wave ring-resonator October 31, 2006
A traveling-wave ring laser resonator includes one or more gain-elements for generating fundamental radiation and three optically nonlinear crystals. A portion of the fundamental radiation is converted to second-harmonic radiation in a first of the crystals. Remaining fundamental rad
6940880 Optically pumped semiconductor ring laser September 6, 2005
An optically pumped semiconductor laser includes an active ring-resonator having two or more optically pumped semiconductor (OPS) structures each including a mirror-structure and a multilayer gain-structure. The mirror-structures serve as fold mirrors for the resonator axis. An optic
6853756 Tunable optical waveguide filters with optimized lengths and method of designing same February 8, 2005
A generalized tunable optical filter with interconnected processing devices, such as unequal arm Mach-Zehnder interferometric devices and ring resonator devices, is described. Each of the processing elements is characterized by a parametric length .DELTA.l.sub.k =n.sub.k.DELTA.l.sub.f
6683901 High-power external-cavity optically-pumped semiconductor lasers January 27, 2004
External-cavity optically-pumped semiconductor lasers (OPS-lasers) including an OPS-structure having a mirror-structure surmounted by a surface-emitting, semiconductor multilayer (periodic) gain-structure are disclosed. The gain-structure is pumped by light from diode-lasers. The OPS
6590911 Passively modelocked harmonic-generating laser July 8, 2003
A laser includes a resonator terminated by first and second mirrors and including a gain medium providing fundamental radiation. A first optically-nonlinear element is located in the resonator. The first optically-nonlinear element is cooperatively arranged with the first mirror to p
6574255 High-power external-cavity optically-pumped semiconductor lasers June 3, 2003
External cavity optically-pumped semiconductor lasers (OPS-lasers) including an OPS-structure having a mirror-structure surmounted by a surface-emitting, semiconductor multilayer (periodic) gain-structure are disclosed. The gain-structure in pumped by light from diode-lasers. The OPS
6507593 Step-tunable external-cavity surface-emitting semiconductor laser January 14, 2003
A laser for delivering laser radiation at a selected one of a plurality of equally-spaced frequencies extending over a frequency range includes a laser resonator defined by two end mirrors. The resonator includes a surface-emitting semiconductor multilayer gain-structure in optical c
6438153 High-power external-cavity optically-pumped semiconductor lasers August 20, 2002
External-cavity optically-pumped semiconductor lasers (OPS-lasers) including an OPS-structure having a mirror-structure surmounted by a surface-emitting, semiconductor multilayer (periodic) gain-structure are disclosed. The gain-structure is pumped by light from diode-lasers. The OPS
6298076 High-power external-cavity optically-pumped semiconductor lasers October 2, 2001
External-cavity optically-pumped semiconductor lasers (OPS-lasers) including an OPS-structure having a mirror-structure surmounted by a surface-emitting, semiconductor multilayer (periodic) gain-structure are disclosed. The gain-structure is pumped by light from diode-lasers. The OPS
6285702 High-power external-cavity optically-pumped semiconductor laser September 4, 2001
External-cavity optically-pumped semiconductor lasers (OPS-lasers) including an OPS-structure having a mirror-structure surmounted by a surface-emitting, semiconductor multilayer (periodic) gain-structure are disclosed. The gain-structure is pumped by light from diode-lasers. The OPS
6198756 CW far-UV laser system with two active resonators March 6, 2001
A laser system includes two separate active laser-resonators. A first of the laser-resonators delivers laser-radiation at a first wavelength, and the second generates fundamental laser-radiation at second wavelength. The second resonator includes an optically-nonlinear crystal. The radia
6167068 Intracavity frequency-converted optically-pumped semiconductor laser December 26, 2000
An intracavity, frequency-doubled, external-cavity, optically-pumped semiconductor laser in accordance with the present invention includes a monolithic surface-emitting semiconductor layer structure including a Bragg mirror portion and a gain portion. An external mirror and the Bragg
6115402 Solid-state laser having resonator configured for compensating for thermal lensing September 5, 2000
A laser resonator including a gain medium with strong thermal-lensing properties includes an arrangement for providing near real-time compensation for variations in the thermal-lensing effects in the gain-medium resulting from variations in resonator operating parameters.
6097742 High-power external-cavity optically-pumped semiconductor lasers August 1, 2000
External-cavity optically-pumped semiconductor lasers (OPS-lasers) including an OPS-structure having a mirror-structure surmounted by a surface-emitting, semiconductor multilayer (periodic) gain-structure are disclosed. The gain-structure is pumped by light from diode-lasers. The OPS
5991318 Intracavity frequency-converted optically-pumped semiconductor laser November 23, 1999
An intracavity, frequency-doubled, external-cavity, optically-pumped semiconductor laser in accordance with the present invention includes a monolithic surface-emitting semiconductor layer structure including a Bragg mirror portion and a gain portion. An external mirror and the Bragg
5912912 Repetitively-pulsed solid-state laser having resonator including multiple different gain-media June 15, 1999
A continuously-pumped, repetitively-pulsed, Q-switched laser resonator includes two different gain-media which lase at about the same wavelength. By separately and variably pumping the different gain-media, the laser resonator can efficiently generate output radiation having parameters










 
 
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