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

Laser drilling

Holography

Laser development

Nd:YAG lasers

Mode locking

Phase conjugation

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