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Class Information
Number: 372/11
Name: Coherent light generators > Particular beam control device > Q-switch > Absorption type
Description: Subject matter wherein the Q-switch is made of a passive material which exhibits an absorptivity that changes with increasing irradiance.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7623555 High power semiconductor laser diode Nov. 24, 2009
7590156 High intensity MHz mode-locked laser Sep. 15, 2009
7586957 Picosecond laser apparatus and methods for its operation and use Sep. 8, 2009
7567594 Stabilization of actively Q-switched lasers Jul. 28, 2009
7558299 Semiconductor saturable absorber and fabrication method thereof Jul. 7, 2009
7548574 Integrated modulator/laser assembly and a method of producing same Jun. 16, 2009
7526004 Mode-locked laser apparatus Apr. 28, 2009
7466727 Passive Q-switch laser Dec. 16, 2008
7463660 Gain media edge treatment to suppress amplified spontaneous emission in a high power laser Dec. 9, 2008
7397828 Laser system with multiple wavelength diode pump head and associated method Jul. 8, 2008
7391794 Injection seeding of frequency-converted Q-switched laser Jun. 24, 2008
7376354 All optical clock recovery May. 20, 2008
7356053 Mode-locked laser with variable pulse duration Apr. 8, 2008
7324568 Modulated saturable absorber controlled laser Jan. 29, 2008
7319708 Variable pulse repetition frequency passively Q-switched laser Jan. 15, 2008
7203209 System and method for a passively Q-switched, resonantly pumped, erbium-doped crystalline laser Apr. 10, 2007
7149231 Monolithic, side-pumped, passively Q-switched solid-state laser Dec. 12, 2006
7103282 All optical clock recovery Sep. 5, 2006
7087447 Method for fabricating zig-zag slabs for solid state lasers Aug. 8, 2006
7065121 Waveguide architecture, waveguide devices for laser processing and beam control, and laser processing applications Jun. 20, 2006
7027479 Volume absorbing laser beam dump Apr. 11, 2006
7027471 Fast wavelength-tunable laser system using Fabry-Perot laser diode Apr. 11, 2006
6990127 Vertical laser diode with means for beam profile forming Jan. 24, 2006
6973115 Passive Q-switched microlaser with controlled polarization Dec. 6, 2005
6956887 Resonant fabry-perot semiconductor saturable absorbers and two photon absorption power limiters Oct. 18, 2005
6944201 Compact ultra fast laser Sep. 13, 2005
6931047 Laser light source Aug. 16, 2005
6920082 Method and apparatus for determining earth formation shear-wave transverse isotropy from borehole stoneley-wave measurements Jul. 19, 2005
6856631 Semiconductor device with saturable absorbing layer Feb. 15, 2005
6842466 Semiconductor passive Q-switch providing variable outputs Jan. 11, 2005
6839362 Cobalt-doped saturable absorber Q-switches and laser systems Jan. 4, 2005
6834064 Mode-locked thin-disk laser Dec. 21, 2004
6826205 Etalon enhanced saturable reflector for mode-locked lasers Nov. 30, 2004
6813285 Q-switched microlaser Nov. 2, 2004
6804282 Semiconductor laser device Oct. 12, 2004
6795475 Solid-state laser apparatus excited by laser light from semiconductor laser unit having increased resonator length Sep. 21, 2004
6788715 Stabilized laser using multiphoton absorption to reduce intensity fluctuations Sep. 7, 2004
6788713 Reduction of pulsations in DFB lasers Sep. 7, 2004
6778565 Pulse-generating laser Aug. 17, 2004
6778563 Q-switched laser Aug. 17, 2004
6741619 Semiconductor elements for stabilizing laser output May. 25, 2004
6738408 Mode-locked laser apparatus May. 18, 2004
6738399 Microchannel cooled edge cladding to establish an adiabatic boundary condition in a slab laser May. 18, 2004
RE38489 Solid microlaser passively switched by a saturable absorber and its production process Apr. 6, 2004
6665111 Laser beam steering system Dec. 16, 2003
6625192 High repetition rate optical pulse generator Sep. 23, 2003
6574250 Laser system and method for processing a memory link with a burst of laser pulses having ultrashort pulse widths Jun. 3, 2003
6560268 Resonator mirror with a saturable absorber May. 6, 2003
6466710 Passive identification friend or foe (IFF) system Oct. 15, 2002
6466593 Variable path length passive Q switch Oct. 15, 2002

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