Lasers and Laser Optics

Analysis and optimization of diode end-pumped solid-state lasers: application to Nd3+:YVO4 lasers at 1064 and 1342 nm

[+] Author Affiliations
Alphan Sennaroglu, Adnan Kurt, Sandrine Buhours

Koc¸ University, Department of Physics, Laser Research Laboratory, Rumelifeneri Yolu, Sariyer, Istanbul 34450 Turkey E-mail: asennar@ku.edu.tr

Opt. Eng. 44(5), 054202 (May 12, 2005). doi:10.1117/1.1915307
History: Received Jun. 22, 2004; Revised Nov. 24, 2004; Accepted Dec. 7, 2004; May 12, 2005; Online May 12, 2005
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We describe a systematic procedure that uses experimental and numerical methods to analyze the continuous-wave power performance of diode end-pumped solid-state lasers. For the general case, saturation, excited-state absorption, and thermal lensing effects are considered and integral equations are derived to study the evolution of the pump and laser beams in the gain medium. As an application of the method, we consider two different diode end-pumped Nd3+:YVO4 lasers operating at 1064 and 1342 nm. Experimental efficiency data were first analyzed to determine the stimulated emission cross sections and the resonator losses. The best-fit laser parameters were then used to calculate the optimum crystal length that maximizes the output power of the laser. The described method should prove useful in the design of a wide range of efficient diode-pumped solid-state lasers. © 2005 Society of Photo-Optical Instrumentation Engineers.

© 2005 Society of Photo-Optical Instrumentation Engineers

Citation

Alphan Sennaroglu ; Adnan Kurt and Sandrine Buhours
"Analysis and optimization of diode end-pumped solid-state lasers: application to Nd3+:YVO4 lasers at 1064 and 1342 nm", Opt. Eng. 44(5), 054202 (May 12, 2005). ; http://dx.doi.org/10.1117/1.1915307


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