Current Trends in the Creation of High-Energy Repetitively Pulsed Continuous Wave Lasers

被引：0
|
作者：
Garanin, S. G. [1 ]
Derkach, V. N. [1 ]
Makarov, K. N. [2 ]
Ostrovsky, V. A. [2 ]
Pergament, M. I. [2 ]
Putilin, M. V. [2 ]
Sizmin, D. V. [1 ]
机构：
[1] Russian Fed Nucl Ctr, All Russia Sci Res Inst Expt Phys, Inst Laser Phys Res, Sarov, Nizhny Novgorod, Russia
[2] Troitsk Inst Innovat & Fus Res, State Res Ctr Russian Federat, Troitsk, Moscow, Russia
来源：
DOKLADY PHYSICS | 2023年 / 68卷 / 12期
关键词：
repetitively pulsed lasers; diode pumping; gas (cryogenic) cooling; HIGH AVERAGE-POWER; CERAMICS;
D O I：
10.1134/S1028335823120029
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The current trends in the creation of high-energy repetitively pulsed continuous wave lasers with pulse energies of tens and hundreds of joules are considered. Active media are analyzed for their use in such lasers. The Yb:YAG active crystalline and ceramic elements produced in Russia are experimentally studied at temperatures from 100 to 295 K. The data of the cryogenic cooling system for active elements are presented. A diode pumping system for active elements and a homogenizer for its emission are described. The physical and technical characteristics of the pumping system are given. Fresnel losses, absorption losses, and losses due to enhanced spontaneous emission, which reduce the energy stored in the inverse population, are measured experimentally. The results of measuring the gain in multi-pass circuits with different sets of active elements are presented.
引用
收藏
页码：401 / 409
页数：9
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