By employing three reflecting volume Bragg gratings, a near-infrared 4-channel spectral-
beam-combining system is demonstrated to present 720 W combined power with a …

The recent development of kW fiber laser sources makes the concept of laser systems
operating at power levels from tens of kilowatts up to 100-kilowatt levels a reality. The use of …

A tabletop kW-level spectral beam combining (SBC) system using volume Bragg gratings
(VBGs) recorded in photothermo-refractive (PTR) glass was presented at the last meeting …

Lasers that produce 100 kW level diffraction limited power will require beam combining due
to fundamental thermal and nonlinear limitations on the power of single aperture lasers …

Based on the principle of spectral beam combining using a transmitting volume Bragg
grating, a simple experimental setup was designed, in which an approach to control the …

Filter-based spectral beam combining provides a promising approach for power scaling and
brightness enhancement, especially for broad-linewidth fiber lasers. In this paper, we have …

Incoherent combining of multiple laser beams with offset wavelengths into a single near-
diffraction-limited beam is an effective solution to increasing energy brightness and scaling …

We describe a dual-grating spectral beam combination (SBC) system to combine multiple
high-power fiber laser outputs while maintaining near-diffraction-limited beam quality. The …

High-radiance lasers are desired for many applications in defense and manufacturing.
Spectral beam combining (SBC) by volume Bragg gratings (VBGs) is a very promising …

Spectral beam combining (SBC) has been extensively used for power scaling of laser
systems. SBC is an incoherent technique of combining laser radiation from multiple sources …