High-brightness wavelength-beam-combined diode laser stacks using a volume Bragg grating (VBG)

@article{Chann2006HighbrightnessWD,
  title={High-brightness wavelength-beam-combined diode laser stacks using a volume Bragg grating (VBG)},
  author={Bien Chann and A. K. Goyal and Antonio Sanchez-Rubio and T. Q. Yu M. W. Fan and B. L. Volodin and V. S. Ban},
  journal={2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference},
  year={2006},
  pages={1-2}
}
Using VBG-stabilized wavelength beam combining of 3-bar diode laser stack, we demonstrate 89.5 W CW with beam quality M2 ~ 26 in the slow-axis and M2~21 in the fast-axis. The beam combining efficiency is 75%.