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Proceedings Paper

Multi-channel laser system with phase locking by holographic gain gratings and small diameter deep hole drilling
Author(s): Alexander V. Fedin; Andrey V. Gavrilov; Sergey N. Smetanin; Sergey A. Solokhin
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Paper 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.

Paper Details

Date Published: 25 April 2007
PDF: 6 pages
Proc. SPIE 6606, Advanced Laser Technologies 2006, 660609 (25 April 2007); doi: 10.1117/12.729508
Show Author Affiliations
Alexander V. Fedin, Kovrov State Technological Academy (Russia)
Andrey V. Gavrilov, Kovrov State Technological Academy (Russia)
Sergey N. Smetanin, Kovrov State Technological Academy (Russia)
Sergey A. Solokhin, Kovrov State Technological Academy (Russia)


Published in SPIE Proceedings Vol. 6606:
Advanced Laser Technologies 2006

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