Fiber laser
V Baev, A Stark, S Salewski, W Thurau… - US Patent …, 2006 - Google Patents
A fiber laser with a fiber for laser light generation having an entrance end and an exit end
comprises a pump light source for generating pump light to be coupled via the entrance side …
comprises a pump light source for generating pump light to be coupled via the entrance side …
Sensor-guided threat countermeasure system
BC Stuart, LA Hackel, MR Hermann… - US Patent …, 2012 - Google Patents
GENERATORIANPLIFER laser system for producing a broadband beam and means for
directing the broadband beam from the target to the threat. The countermeasure system …
directing the broadband beam from the target to the threat. The countermeasure system …
Mitigation of photodarkening to achieve laser oscillation and amplification with highly doped fibers
Photodarkening in active fiber or waveguide devices (eg lasers, amplifiers, and incoherent
sources such as ASE sources) can be reduced by altering the dopant concentration along …
sources such as ASE sources) can be reduced by altering the dopant concentration along …
Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and …
H Ohtsuka, Y Okazaki, T Katoh - US Patent 6,816,532, 2004 - Google Patents
Solid-State laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber
laser amplifier is doped with one of Ho", Sm", Eu", Dy, Er", and Tb" so that a laser beam is …
laser amplifier is doped with one of Ho", Sm", Eu", Dy, Er", and Tb" so that a laser beam is …
Optical waveguide
MA Haase, JY Zhang - US Patent 6,832,034, 2004 - Google Patents
BACKGROUND Optical fiber communication systems are becoming prevalent. The optical
fiber system can comprise an optical fiber, and a wide variety of other optical devices for …
fiber system can comprise an optical fiber, and a wide variety of other optical devices for …
Multi-wavelength pump method for improving performance of erbium-based lasers
RK Shori - US Patent 7,633,990, 2009 - Google Patents
(57) ABSTRACT A method for increasing the efficiency of generating lasers by pumping two
separate wavelengths into an erbium-based medium to populate the Ia state and …
separate wavelengths into an erbium-based medium to populate the Ia state and …
Waveguide laser light source suitable for projection displays
H Mönch, G Heusler - US Patent App. 10/569,717, 2007 - Google Patents
The invention relates to a semiconductor diode laser used to pump a waveguide and their
use as light source. A waveguide laser (15) according to the present invention producing …
use as light source. A waveguide laser (15) according to the present invention producing …
Optical waveguide
MA Haase, JY Zhang - US Patent 6,909,831, 2005 - Google Patents
BACKGROUND Optical fiber communication systems are becoming prevalent. The optical
fiber system can comprise an optical fiber, and a wide variety of other optical devices for …
fiber system can comprise an optical fiber, and a wide variety of other optical devices for …
Laser-diode-excited laser apparatus, fiber laser apparatus, and fiber laser amplifier in which laser medium doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and …
H Ohtsuka, Y Okazaki, T Katoh - US Patent 7,154,930, 2006 - Google Patents
(57) ABSTRACT A Solid-state laser crystal constituting a laser-diode-excited Solid-state
laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier …
laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier …
Low voltage defect super high efficiency diode sources
V Khalfin, J Abeles, M Kwakernaak… - US Patent App. 10 …, 2005 - Google Patents
A high efficiency, low Voltage defect laser, and a method of forming a high efficiency laser.
The low Voltage defect laser includes at least one p-clad layer, at least one n-clad layer, and …
The low Voltage defect laser includes at least one p-clad layer, at least one n-clad layer, and …