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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 989-992 |
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Goli hasanloo M, Shayganmanesh M, Razaghi D. Stable telescopic resonator convex-concav for improvement of Nd:YAG solid-state laser beam quality. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :989-992
URL: http://opsi.ir/article-1-1722-en.html
URL: http://opsi.ir/article-1-1722-en.html
1- Department of Physics, Iran University of Science and Technology, Narmak, Tehran Iran
2- Photonics and Quantum Technologies Research School, NSTRI, 11155-3486, Tehran, Iran
2- Photonics and Quantum Technologies Research School, NSTRI, 11155-3486, Tehran, Iran
Abstract: (1785 Views)
In this paper, telescopic resonator is introduced which is a valuable design due to creating a high mode volume. We designed the resonator based on the Gaussian beam theory in such a way that the change in focal length of the laser rod due to unwanted heat and telescope defocusing have the least effect on the TEM00 mode volume. we properties of the telescopic resonator in a Nd:YAG laser has been investigated and the TEM00 mode is maximized. the results show that for , the spot size is independent of the mirrors’curvature radius.We calculated with ABCD matrix in order to achieve the mode volume.
Keywords: Stable telescopic resonator, thermal lensing, Nd:YAG laser, ABCD matrix, volume mode 〖TEM〗_00
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