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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 1073-1076 |
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Shahraki H R, Jamshidi seresht M, Kazemi S. Design of a new 44-pass system for using in thin-disk lasers’ pumping module. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :1073-1076
URL: http://opsi.ir/article-1-2192-en.html
URL: http://opsi.ir/article-1-2192-en.html
1- Iranian National Center for Laser Science and Technology
Abstract: (1653 Views)
In thin disk lasers, a few percent of pump energy is absorbed when it passes through the disk due to its low thickness. One method to enhance absorption efficiency is increasing the number of pump light’s passes. The most common procedure providing multi-pass is placing disk in the focal plane of a reflective 4f-imaging system with unitary magnification. In that case, unabsorbed light transmits through disk repeatedly to rise absorption efficiency. More pump passes, also, open the way for usage of active material with low absorption which results in better beam quality of disk laser. Here, a 44-pass system has been simulated and designed able to improve optical efficiency about 12 percent compared to 16-pass system.
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