A novel laser that utilizes a silicon waveguide bonded to AlGaInAs quantum wells is demonstrated. This wafer scale fabrication approach allows the optical waveguide to be defined by CMOS-compatible silicon processing while optical gain is provided by III-V materials. The AlGaInAs quantum well structure is bonded to the silicon wafer using low temperature oxygen plasma-assisted wafer bonding. Th...

Lasers are unique energy sources characterized by spectral purity, spatial and temporal coherence, which ensure the highest incident intensity on the surface of any kind of sample. Each of these characteristics stays at the origin of different applications. The study of highintensity laser sources interaction with solid materials was started at the beginning of laser era, i.e. more than 50 year...

High-power laser-diode arrays, which are made of stacks of individual or multistripe laser diodes, or in some cases vertical-cavity surfaceemitting lasers (VCSELs), can put out watts to kilowatts of optical power for uses such as laser pumping, industrial heating, illumination, or as the input for fiber-optic direct-diode laser devices for materials processing or for medicine. Laser diodes typi...

Laser micromachining has the capability to fabricate very small and basic 2.5 D geometric features on a range of materials in the form of laser ablation or irradiation. Short pulsed lasers that can achieve wide range of wavelengths in the form of harmonics of infrared laser beam at 1064 nm wavelength have been a very effective micro-machining tool used for hole drilling, cutting, scribing, trim...

The article is devoted to the task of organization complex interaction between separate modules technological installations for material processing. basic principles control software development industrial laser systems precision processing, possibility implementing remote executing hardware are considered. system application examples solving problems high-precision processing transparent solid...

We demonstrate the adverse influence of temporal fluctuations of the phase modulation of a spatial light modulator (SLM) display device on nanosecond laser micromachining. We show that active cooling of the display reduces the amplitude of these fluctuations, and we demonstrate a process synchronization technique developed to compensate for these fluctuations when applying the SLM to laser mate...

The third ASTM symposium on damage in laser materials held at NBS in May 1971 is discussed, and the results are reviewed.