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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 945-948 |
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Kashi P, Jandaghi M, Nahvifard E, Salimian rizi S. Investigation and correction of thermal lensing during amplification of passively Q switched micro lasers with two stages flash lamp Nd:YAG amplifier. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :945-948
URL: http://opsi.ir/article-1-1924-en.html
URL: http://opsi.ir/article-1-1924-en.html
1- Department of Physics, Imam Khomeini international university, Qazvin
2- Iranian National Center for Laser Science and Technology, Tehran
2- Iranian National Center for Laser Science and Technology, Tehran
Abstract: (1685 Views)
In this paper the effect of thermal lensing during amplifying of passively Q switched micro lasers by two flash lamp side pumped NdYAG is reported. The micro laser generates pulses of 8-μJ energy and 800-ps duration at 2-kHz repetition rate with beam quality factor, M2<1.3. The micro laser pulse was amplified up to 12-mJ energy and 15MW peak power at 1-10 Hz repetition rate in a two-stage flash-pumped Nd:YAG amplifier. During amplification, the most imortant signal distortion parameter will occur and cause to reduce the intensity of the beam. In addition, presented experimental results have a very good concurrence with theoretical data.
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