Cr4+:Y3Al5O12 laser crystal in a tunable sub-picosecond laser under strong aberration

U. U. Broslavez; Alexei A. Fomichev; Vladimir D. Lokhnygin; Oleg O. Silichev

doi:10.1117/12.203626

1 March 1995 Cr⁴+:Y₃Al₅O₁₂ laser crystal in a tunable sub-picosecond laser under strong aberration

U. U. Broslavez, Alexei A. Fomichev, Vladimir D. Lokhnygin, Oleg O. Silichev

Proceedings Volume 2498, Laser Methods of Surface Treatment and Modification: ALT '94 International Conference; (1995) https://doi.org/10.1117/12.203626
Event: Laser Methods of Surface Treatment and Modification: ALT '94 International Conference, 1994, Konstanz, Germany

Abstract

In this paper we report our investigation of mode-locked and Q-switched regime in Cr⁴⁺:Y₃Al₅O₁₂ laser with synchronous pumping by Nd:YAG laser. We have obtained mode-locked generation of tunable radiation in the range from 1,350 to 1,500 nm. In our investigation we have found position in the stability area where the laser operates on mode-locked or Q-switch regime. In the edge of stability we observe a Q-switch regime of laser operation with rectangular output pulses. We have analyzed the properties of the main optical elements in our laser systems to find out to which extent these elements could be considered as temporal Gaussian systems, and simulated on a computer the ultra-short pulse evolution in the laser resonator for the investigation of the structure of the transformation phase space. The presence of aberration being a source of the ultra-short pulses distortion could drastically complicate a phenomenon.

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U. U. Broslavez, Alexei A. Fomichev, Vladimir D. Lokhnygin, and Oleg O. Silichev "Cr⁴+:Y₃Al₅O₁₂ laser crystal in a tunable sub-picosecond laser under strong aberration", Proc. SPIE 2498, Laser Methods of Surface Treatment and Modification: ALT '94 International Conference, (1 March 1995); https://doi.org/10.1117/12.203626

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KEYWORDS

Mode locking

Modulation

Laser systems engineering

Q switched lasers

Computer simulations

Laser stabilization

Mirrors

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