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panahi O, nazeri M, tavassoli S H. Design and Fabrication of Tunable Dual-Wavelength Nanosecond Ti:Sapphire Laser. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :677-680
URL: http://opsi.ir/article-1-293-en.html
URL: http://opsi.ir/article-1-293-en.html
1- Laser And Plasma Research Institution, Shahid Beheshti University
2- Department of Physics, Kashan University
2- Department of Physics, Kashan University
Abstract: (55175 Views)
In this paper, the design and construction of a tunable dual-wavelength nanosecond Ti:Sapphire laser and the numerical solution of corresponding rate equations are reported. Numerical results of rate equations for this four-level system are explained. In experimental part an optical setup is introduced consist of a Ti:Saphhire crystal and two Prism with two mirrors that separated by a beam splitter are used to generate two wavelength tunable laser . 33mJ pulses from a second harmonics of a Q-Switched Nd:YAG laser longitudinally pump the crystal .As output, 5mJ pulses with 10Hz rep rate are measured this is equal to 15% efficiency. By rotating the mirrors the output dual-wavelength pulses adjusted over a wide range 760nm to 810 nm.
Keywords: longitudinally pumped, rate equations, prism, tunable dual-wavelength nanosecond Ti:Sapphire laser, Nd:YAG laser.
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