12 May 2017 Image enhancement based on optical parametric amplification
Author Affiliations +
Proceedings Volume 10173, Fourth International Symposium on Laser Interaction with Matter; 101731V (2017) https://doi.org/10.1117/12.2268265
Event: 4th International Symposium on Laser Interaction with Matter, 2016, Chengdu, China
The expansion dynamics of laser-induced plasma (LIP) at front and rear surface of fused silica under 1064 nm nanosecond laser irradiation was investigated with fast photography, shadowgraphy and interferometry. Self-emission images of LIP show that the rear surface plasma (RSP) splits into a fast and a slow component at tens of nanoseconds delay after laser irradiation while the front surface plasma (FSP) does not split. Moreover, the FSP is identified to mainly contain free electrons while the RSP includes ejected neutrals. Thermal emission of superheated neutrals is suggested to be responsible for the generation of slow component.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jing Yang, Jing Yang, Cong Wang, Cong Wang, Gao-hang Cai, Gao-hang Cai, Xiu-juan Pan, Xiu-juan Pan, Peng-cheng Di, Peng-cheng Di, Jing-yuan Zhang, Jing-yuan Zhang, Da-fu Cui, Da-fu Cui, Qin-jun Peng, Qin-jun Peng, Zu-yan Xu, Zu-yan Xu, } "Image enhancement based on optical parametric amplification", Proc. SPIE 10173, Fourth International Symposium on Laser Interaction with Matter, 101731V (12 May 2017); doi: 10.1117/12.2268265; https://doi.org/10.1117/12.2268265


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