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Proceedings Paper

Quasi CW mode, regular and chaotic dynamics in picosecond Nd:YAG laser with millisecond pumping under optoelectronic feedback control
Author(s): M. V. Gorbunkov; Yu. Ya. Maslova; V. A. Petukhov; M. A. Semenov; Yu. V. Shabalin; A. V. Vinogradov
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Paper Abstract

We propose and study both numerically and experimentally a laser system controlled by the combination of positive and negative feedbacks capable to generate a long picosecond pulse train of stable amplitude as well as regular pulsation with sub-microsecond period. The proper combination of feedbacks is realized in a Nd:YAG laser with millisecond pumping by means of a single optoelectronic negative feedback which utilizes signal reflected from an intracavity Pockels cell polarizer. Regular pulsation (microgroups of picosecond pulses) with controlled period from 25 to 75 resonator round trips is obtained. The development of chaotic dynamics displayed by the system at higher pumping level differs from the Feigenbaum scenario. The regular pulsation regime has a great potential in a laser-electron X-ray generator design and other applications.

Paper Details

Date Published: 9 August 2007
PDF: 6 pages
Proc. SPIE 6731, International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems, 67311Z (9 August 2007); doi: 10.1117/12.752956
Show Author Affiliations
M. V. Gorbunkov, P.N. Lebedev Physical Institute (Russia)
Yu. Ya. Maslova, P.N. Lebedev Physical Institute (Russia)
V. A. Petukhov, P.N. Lebedev Physical Institute (Russia)
M. A. Semenov, P.N. Lebedev Physical Institute (Russia)
Yu. V. Shabalin, P.N. Lebedev Physical Institute (Russia)
A. V. Vinogradov, P.N. Lebedev Physical Institute (Russia)


Published in SPIE Proceedings Vol. 6731:
International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems

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