Influence of energy-transfer upconversion on the performance of high-power diode-end-pumped CW lasers

Title:	Influence of energy-transfer upconversion on the performance of high-power diode-end-pumped CW lasers
Authors:	Chen, YF Lan, YP Wang, SC 電子物理學系光電工程學系 Department of Electrophysics Department of Photonics
Keywords:	diode-pumped;energy-transfer upconversion;Nd-doped crystal;rate equation
Issue Date:	1-May-2000
Abstract:	The influence of energy-transfer upconversion (ETU) on the performance of diode-end-pumped lasers is studied by including ETU effects into the space-dependent rate equations. The dependence of ETU rates on the mode-to-pump size ratio and on the output mirror transmission is derived. Experiments for Nd:YAG and Nd:YVO4 crystals are performed to validate the present model. It is found that the ETU process increases the sensitivity of the output power to the output mirror transmission but its influence on the output power is not significant for low output transmission.
URI:	http://dx.doi.org/10.1109/3.842104 http://hdl.handle.net/11536/30538
ISSN:	0018-9197
DOI:	10.1109/3.842104
Journal:	IEEE JOURNAL OF QUANTUM ELECTRONICS
Volume:	36
Issue:	5
Begin Page:	615
End Page:	619
Appears in Collections:	Articles

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