Diagnostics of Femtosecond Laser-Plasmas Using Fundamental and Second Harmonic Emission

Chin. Phys. Lett.

2000, Vol. 17

Issue (11): 818-820 DOI:

Original Articles

Diagnostics of Femtosecond Laser-Plasmas Using Fundamental and Second Harmonic Emission

ZHAO Li-Zeng¹;ZHANG Ping²;FENG Bao-Hua¹;WEI Zhi-Yi¹;ZHANG Jie¹

¹Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080 ²Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039

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ZHAO Li-Zeng, ZHANG Ping, FENG Bao-Hua et al 2000 Chin. Phys. Lett. 17 818-820

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Abstract By observing the fundamental and second harmonic emission from a plasma produced by a 150fs, 5mJ laser at 800nm, the electron temperature, the expansion speed and the scalelength of the plasma have been diagnosed. Moreover the polarization of the fundamental and second harmonic emission has been studied. This could be a useful diagnostic for modulation at the critical surface of the plasma.

Keywords: 52.40.Nk

Published: 01 November 2000

PACS:

52.40.Nk

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I11/0818

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