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year 27, Issue 2 (ICOP & ICPET 2021 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 27(2): 531-535 |
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Babaiy Tooski M, Maleki A, Eslami Majd A, Ebadian H. Simulation and Optimization of the high-power Ho:YLF Laser pumped with Tm:Fiber laser. ICOP & ICPET _ INPC _ ICOFS 2021; 27 (2) :531-535
URL: http://opsi.ir/article-1-2420-en.html
URL: http://opsi.ir/article-1-2420-en.html
1- Malek Ashtar University of Isfahan
2- Malek Ashtar University of Isfahan-Optics and Laser Research Institute
2- Malek Ashtar University of Isfahan-Optics and Laser Research Institute
Abstract: (808 Views)
In this paper, the simulation and optimization of high power Ho: YLF Laser pumped with Tm:fiber laser is presented. First, we calculate absorption efficiency for single and double pass end pumped structure by consideration the levels degeneracy. The simulation was done for Ho:YLF crystal of 0.5 at% Ho dopant concentration and the length of 30 mm. The efficiency of end-pumped regime 0.43 is obtained. By using of the LASCAD software, the design parameters of resonator such as; cavity length, radius curvature of mirrors and beam overlap efficiency were optimized. The output power of laser with Plano-Concave resonator 20.82 W is extracted. The optical to optical efficiency 34 % is obtained.
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