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Compensation Method for Laser-Induced Thermal Effect Using Passive Opticsopen access

Authors
Lee, Jung-GwonKim, Yeong-SikKim, JeongyunLee, Jinho
Issue Date
Jan-2021
Publisher
Polska Akademia Nauk
Keywords
high-power laser; thermal compensation; thermal lensing
Citation
Acta Physica Polonica A, v.139, no.1, pp 56 - 61
Pages
6
Indexed
SCIE
SCOPUS
Journal Title
Acta Physica Polonica A
Volume
139
Number
1
Start Page
56
End Page
61
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/4286
DOI
10.12693/APhysPolA.139.56
ISSN
0587-4246
1898-794X
Abstract
We experimentally characterized the laser-induced thermal effect on fused silica and established a method to remove the thermal load using passive optics. Based on the formula analyzed in [J. Kor. Phys. Soc. 69. 1531 (2016)], we were able to determine the specific length of the compensating material to remove the thermal effect. Remarkably, the thermal compensation was observed when the compensating material was placed before or after the material subject to thermal lensing. Our results demonstrate that one single passive optic can be used to overcome the thermal effect for various laser powers without any additional optics.
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