US8158493B2 - Laser-based material processing methods and systems - Google Patents
US8158493B2 - Laser-based material processing methods and systems - Google Patents …

H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED
EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING …

Laser apparatus and methods involving multiple amplified outputs are disclosed. A laser
apparatus may include a master oscillator, a beam splitter coupled to the master oscillator …

US PATENT DOCUMENTS 2,436,662 A 2, 1948 Norgaard 3.459, 960 A 8, 1969 Aaland et
al. 3,549,256 A 12/1970 Brienza et al. 3,599,019 A 8, 1971 Nannichi et al. 3,602,836 A …

A femtosecond laser based laser processing system having a femtosecond laser, frequency
conversion optics, beam manipulation optics, target motion control, processing cham ber …

A fiber-based source for high-energy picosecond and nanosecond pulses is described. By
minimizing nonlinear energy limitations in fiber amplifiers, pulse energies close to the …

Abstract System for converting relatively long pulses from rep-rate variable ultrafast optical
sources to shorter, high-energy pulses suitable for sources in high-energy ultrafast lasers …

(57) ABSTRACT A method and apparatus for combining a plurality of laser beamlets to form
a single annular beam using spectral beam combination. This invention includes a plurality …

H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED
EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING …

An electronic circuit for controlling a laser system consist ing of a pulse source and high
power fiber amplifier is disclosed. The circuit is used to control the gain of the high power …