12 October 2017 Self-heated diode-pumped alkali laser with a microfabricated alkali cell
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Abstract
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 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°C with a single-side heated structure. The results show that with a mini vapor cell, SDPAL can be portable and competitive when Watt -level laser with wavelength of alkali D1 line is required.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Zhiyong Li, Zhiyong Li, Gaoce Han, Gaoce Han, Rongqing Tan, Rongqing Tan, Yujie Wang, Yujie Wang, Qing Ye, Qing Ye, Jintian Bian, Jintian Bian, Wei Huang, Wei Huang, } "Self-heated diode-pumped alkali laser with a microfabricated alkali cell," Optical Engineering 56(10), 106105 (12 October 2017). https://doi.org/10.1117/1.OE.56.10.106105 . Submission: Received: 12 July 2017; Accepted: 15 September 2017
Received: 12 July 2017; Accepted: 15 September 2017; Published: 12 October 2017
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