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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 321-324 |
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Aghaie M, Kazemi S, Radmard S, Bakhtiari M. Improvement of beam quality and laser efficiency of Yb:YAG thin disk laser by use of zero-phonon-line pumping. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :321-324
URL: http://opsi.ir/article-1-2049-en.html
URL: http://opsi.ir/article-1-2049-en.html
1- Iranian National Center for Laser Science and Technology
Abstract: (2070 Views)
In this report, we studied on the effect of change of the pump wavelength from 940 nm pumping to zero-phonon-line (969 nm) pumping base on numerical and experimental results. We calculated and measured output power laser, disk temperature and the value of the unabsorbed pump power. Also, we measured dioptric power variation of disk to estimate improvement of the laser beam quality in resonator design. The comparison of the results show increasing in laser efficiency about 14.5%, decreasing of the disk temperature about 28.6% and decreasing of the unabsorbed pump power about 14.8% (by use of 8pass module). Due to decreasing in dioptric power variation of thin disk it shows improvement of laser beam quality about 28% in resonator design.
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