High-power neodymium phosphate glass laser for experiments on the interaction of ultrahigh optical fields with matter
I. A. Begishev'Akadempribor' Research and Production Association, Academy of Science of Uzbekistan, Tashkent, UzbekistanR. A. Ganeev'Akadempribor' Research and Production Association, Academy of Science of Uzbekistan, Tashkent, UzbekistanFeruz Ganikhanov'Akadempribor' Research and Production Association, Academy of Science of Uzbekistan, Tashkent, UzbekistanВ. И. Редкоречев'Akadempribor' Research and Production Association, Academy of Science of Uzbekistan, Tashkent, UzbekistanT. Usmanov'Akadempribor' Research and Production Association, Academy of Science of Uzbekistan, Tashkent, Uzbekistan
ABI
Abstract
Preliminary results are reported on the development of a high-power neodymium phosphate glass (λ = 1.053 μm) laser system designed for experiments on the interaction of picosecond pulses with matter. The system comprises a laser oscillator with negative feedback, a Q-switched preamplifier, and a multistage amplifying channel. Amplification of chirped pulses is followed by their compression in the system. The results of experiments on the interaction of high-intensity (I < 1015 W cm-2) laser radiation pulses of different duration with targets in a vacuum chamber are reported. The characteristics of a laser plasma formed in this way are also reported.
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