Multi-channel laser system with phase locking by holographic gain gratings and small diameter deep hole drilling

Alexander V. Fedin; Andrey V. Gavrilov; Sergey N. Smetanin; Sergey A. Solokhin

doi:10.1117/12.729508

25 April 2007 Multi-channel laser system with phase locking by holographic gain gratings and small diameter deep hole drilling

Alexander V. Fedin, Andrey V. Gavrilov, Sergey N. Smetanin, Sergey A. Solokhin

Author Affiliations +

Proceedings Volume 6606, Advanced Laser Technologies 2006; 660609 (2007) https://doi.org/10.1117/12.729508
Event: Advanced Laser Technologies 2006, 2006, Brasov, Romania

Abstract

A phase-locked three-channel Nd:YAG laser system based on phase-conjugate loop oscillators is designed and studied. The Nd:YAG laser system had three laser outputs as the self-Q-switched laser 100-mJ monopulses interfering with an interference pattern contrast tending to unity giving a sixfold interferential increase of the laser brightness. A new opportunity to apply the Nd:YAG laser systems based on phase-conjugate loop oscillators for drilling of the super-deep (up to 27 mm deep) holes of small 100-micron diameter for the most perspective metals, alloys and ceramics with different composition is shown.

Citation Download Citation

Alexander V. Fedin, Andrey V. Gavrilov, Sergey N. Smetanin, and Sergey A. Solokhin "Multi-channel laser system with phase locking by holographic gain gratings and small diameter deep hole drilling", Proc. SPIE 6606, Advanced Laser Technologies 2006, 660609 (25 April 2007); https://doi.org/10.1117/12.729508

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