Zobrazeno 1 - 10
of 385
pro vyhledávání: '"Nam, Chang Hee"'
Autor:
Hojbota, Calin Ioan, Mirzaie, Mohammad, Kim, Do Yeon, Pak, Tae Gyu, Rezaei-Pandari, Mohammad, Pathak, Vishwa Bandhu, Jeon, Jong Ho, Yoon, Jin Woo, Sung, Jae Hae, Lee, Seong Ku, Kim, Chul Min, Kim, Ki Yong, Nam, Chang Hee
Petawatt-class lasers can produce multi-GeV electron beams through laser wakefield electron acceleration. As a by-product, the accelerated electron beams can generate broad synchrotron-like radiation known as betatron radiation. In the present work,
Externí odkaz:
http://arxiv.org/abs/2211.07963
Autor:
Kim, Hyeong-il, Noh, Youhwan, Song, Jaehyun, Lee, Seongmin, Won, Junho, Song, Chiwan, Bae, Leejin, Ryu, Chang-Mo, Nam, Chang Hee, Bang, Woosuk
Publikováno v:
In Results in Physics February 2024 57
Autor:
Wang, Pengjie, Gong, Zheng, Lee, Seong Geun, Shou, Yinren, Geng, Yixing, Jeon, Cheonha, Kim, I Jong, Lee, Hwang Woon, Yoon, Jin Woo, Sung, Jae Hee, Lee, Seong Ku, Kong, Defeng, Liu, Jianbo, Mei, Zhusong, Cao, Zhengxuan, Pan, Zhuo, Choi, Il Woo, Yan, Xueqing, Nam, Chang Hee, Ma, Wenjun
Publikováno v:
Phys. Rev. X 11, 021049 (2021)
The acceleration of super-heavy ions (SHIs) from plasmas driven by ultrashort (tens of femtoseconds) laser pulses is a challenging topic waiting for breakthrough. The detecting and controlling of the ionization process, and the adoption of the optima
Externí odkaz:
http://arxiv.org/abs/2008.09358
Autor:
Rao, Bobbili Sanyasi, Cho, Myung Hoon, Kim, Hyung Taek, Shin, Jung Hun, Oh, Kyung Hwan, Jeon, Jong Ho, Yoo, Byung Ju, Cho, Seong Ha, Lee, Seong Ku, Nam, Chang Hee
Publikováno v:
Phys. Rev. Research 2, 043319 (2020)
Laser wakefield accelerators rely on relativistically moving micron-sized plasma cavities that provide extremely high electric field >100GV/m. Here, we demonstrate transverse shaping of the plasma cavity to produce controlled sub-GeV electron beams,
Externí odkaz:
http://arxiv.org/abs/2007.01064
Akademický článek
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Akademický článek
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Publikováno v:
In Optics and Laser Technology August 2023 163
Autor:
Hojbota, Calin Ioan, Kim, Hyung Taek, Shin, Jung Hun, Aniculaesei, Constantin, Rao, Bobbili Sanyasi, Nam, Chang Hee
We present a technique, based on a dipole magnet spectrometer containing multiple scintillation screens, to accurately characterize the spectral distribution of a GeV electron beam generated by laser wakefield acceleration (LWFA). An optimization alg
Externí odkaz:
http://arxiv.org/abs/1907.02239
Autor:
Aniculaesei, Constantin, Pathak, Vishwa Bandhu, Oh, Kyung Hwan, Hojbota, Calin Ioan, Singh, Prashant Kumar, Lee, Bo Ram, Kim, Hyung Taek, Brunetti, Enrico, Yoo, Byung Ju, Sung, Jae Hee, Lee, Seong Ku, Nam, Chang Hee
Publikováno v:
Phys. Rev. Applied 12, 044041 (2019)
In the present work, we demonstrate for the first time a proof-of-principle experiment for nanoparticle-assisted laser wakefield acceleration. The nanoparticles, generated through laser ablation of aluminium, were introduced into the plasma and used
Externí odkaz:
http://arxiv.org/abs/1902.00921
We apply information theoretic entropies of coordinate and velocity distributions in quantum mechanics for the description of the strong field ionization process. The approach is based on the properties of the entropies used in the information theory
Externí odkaz:
http://arxiv.org/abs/1811.09371