On the depolarisation of radiation of a transversely diode-laser-array-pumped Yb,Er-doped phosphate glass active element

被引：1
作者：
Shachkin, L. V. [1 ]
机构：
[1] Troitsk Inst Innovat & Fus Res, State Res Ctr Russian Federat, Troitsk 142190, Russia
来源：
QUANTUM ELECTRONICS | 2007年 / 37卷 / 02期
关键词：
Yb; Er laser; phosphate glass; diode pumping; depolarisation;
D O I：
10.1070/QE2007v037n02ABEH013210
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Repetitively pulsed lasing in a Yb, Er-doped phosphate glass transversely pumped by a diode laser array is studied. Lasing on the lowest TEM00 resonator mode is obtained both in the quasi-continuous regime with an output power of 4.1 W and in the passive Q-switching regime (23-ns, 1.2-mJ pulses). The depolarisation of linearly polarised radiation of a He-Ne laser transmitted through the phosphate glass active element (AE) along the resonator axis is investigated. The dependences of depolarisation on the AE heating and experimental conditions are determined. It is shown that radiation losses caused by its depolarisation can present problems in the development of lasers emitting at 1.5 mu m, in which polarisers should be used (for example, regenerative amplifiers).
引用
收藏
页码：130 / 134
页数：5
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