Study on the UV FEL single-shot damage threshold of an Au thin film.

Wu, Meiyi; Li, Qinming; Wang, Mingchang; Zhu, Qinghao; Cai, Jiandong; Xu, Zhongmin; Zhou, Hao; Huang, Long; Zhang, Bingbing; Qi, Runze; Zhang, Zhe; Li, Wenbin; Zhong, Yinpeng; Zhang, Weiqing

Wu, Meiyi; Li, Qinming; Wang, Mingchang; Zhu, Qinghao; Cai, Jiandong; Xu, Zhongmin; Zhou, Hao; Huang, Long; Zhang, Bingbing; Qi, Runze; Zhang, Zhe; Li, Wenbin; Zhong, Yinpeng; Zhang, Weiqing.

Afiliación

Wu M; Institute of Advanced Science Facilities, Shenzhen 518107, People's Republic of China.
Li Q; Institute of Advanced Science Facilities, Shenzhen 518107, People's Republic of China.
Wang M; State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China.
Zhu Q; Institute of Advanced Science Facilities, Shenzhen 518107, People's Republic of China.
Cai J; Institute of Advanced Science Facilities, Shenzhen 518107, People's Republic of China.
Xu Z; Institute of Advanced Science Facilities, Shenzhen 518107, People's Republic of China.
Zhou H; Institute of Advanced Science Facilities, Shenzhen 518107, People's Republic of China.
Huang L; Institute of Advanced Science Facilities, Shenzhen 518107, People's Republic of China.
Zhang B; Institute of Advanced Science Facilities, Shenzhen 518107, People's Republic of China.
Qi R; MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, People's Republic of China.
Zhang Z; MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, People's Republic of China.
Li W; MOE Key Laboratory of Advanced Micro-Structured Materials, Shanghai 200092, People's Republic of China.
Zhong Y; Institute of Advanced Science Facilities, Shenzhen 518107, People's Republic of China.
Zhang W; State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China.

J Synchrotron Radiat ; 2024 Sep 01.

Article en En | MEDLINE | ID: mdl-39042579

ABSTRACT

ABSTRACT

The damage threshold of an Au-coated flat mirror, one of the reflective optics installed on the FEL-2 beamline of the Dalian Coherent Light Source, China, upon far-UV free-electron laser irradiation is evaluated. The surface of the coating is characterized by profilometer and optical microscope. A theoretical approach of the phenomenon is also presented, by application of conventional single-pulse damage threshold calculations, a one-dimensional thermal diffusion model, as well as finite-element analysis with ANSYS.

Palabras clave

Au; beamline optics; free-electron laser; single-shot damage threshold; thin film coating

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Texto completo: 1 Bases de datos: MEDLINE Idioma: En Revista: J Synchrotron Radiat Asunto de la revista: RADIOLOGIA Año: 2024 Tipo del documento: Article