Laser system power can be increased using volume Bragg gratings in PTR glass to combine multiple beams into a near-diffraction-limited beam. We present results of combining five fiber lasers and show achievability of multi-kW-level systems.
© 2007 OSA
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.7330) Diffraction and gratings : Volume gratings
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3510) Lasers and laser optics : Lasers, fiber
O. Andrusyak, I. Ciapurin, A. Sevian, V. Smirnov, G. Venus, and L. Glebov, "Power Scaling of Laser Systems Using Spectral Beam Combining with Volume Bragg Gratings in PTR Glass," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2007), paper JTuA85.
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