Spectral characteristics of 2 μm microchip Tm:YVO4 and Tm,Ho:YLF lasers

被引：15
作者：
Bourdet, GL [1 ]
Lescroart, G [1 ]
Muller, R [1 ]
机构：
[1] Ecole Polytech, Ecole Natl Super Tech Avancees, Lab Opt Appliquee, F-91761 Palaiseau, France
来源：
OPTICS COMMUNICATIONS | 1998年 / 150卷 / 1-6期
关键词：
D O I：
10.1016/S0030-4018(97)00693-7
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we present experimental results concerning the spectral emission obtained with two microchip lasers emitting in the 2 mu m range. We show that high efficiency is achieved in both cases at room temperature. Nevertheless, while Tm:YVO4 oscillates always on longitudinal modes and may easily be single frequency with high power, Tm:Ho:YLF is always emitting several transverse modes for any pumping conditions with temperatures between 13 degrees C and 35 degrees C. This result is interpreted considering the gain of these two amplifier media and the mode guiding resulting from the thermal properties of the two host materials. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：141 / 146
页数：6
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