Self-heated diode-pumped alkali laser with a microfabricated alkali cell

被引：4
|
作者：
Li, Zhiyong [1 ,2 ]
Han, Gaoce [1 ,3 ]
Tan, Rongqing [1 ,3 ]
Wang, Yujie [1 ,3 ]
Ye, Qing [2 ]
Bian, Jintian [2 ]
Huang, Wei [1 ,3 ]
机构：
[1] Chinese Acad Sci, Inst Elect, Dept High Power Gas Laser, Beijing, Peoples R China
[2] Elect Engn Inst, State Key Lab Pulsed Power Laser Technol, Hefei, Anhui, Peoples R China
[3] Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing, Peoples R China
来源：
OPTICAL ENGINEERING | 2017年 / 56卷 / 10期
基金：
中国国家自然科学基金;
关键词：
gas laser; alkali laser; diode-pumped alkali vapor laser; microfabricated cell; self-heated;
D O I：
10.1117/1.OE.56.10.106105
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A self-heated diode-pumped alkali laser (SDPAL) with a microfabricated alkali cell is proposed. Based on Beach's model and finite-element analysis theory, the output characteristics of a cesium self-heated laser are studied. The results indicate that an SDPAL with a cell length of 2 mm is feasible. The output power of a typical SDPAL is similar to Watt level. Rapid heat convection around the mini cell can increase the output power. At the same time, the utilization ratio of the pumping light will decrease. A heating experiment is also conducted to validate the theoretical model. When pumping power of 0.69 W is illuminated on the light absorber, the cell temperature can reach 76.4 degrees C with a single-side heated structure. The results show that with a mini vapor cell, SDPAL can be portable and competitive when similar to Watt-level laser with wavelength of alkali D1 line is required. (C) 2017 Society of PhotoOptical Instrumentation Engineers (SPIE)
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页数：6
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