Vacuum electron acceleration and bunch compression by a flat-top laser beam

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Collection Of theses on high power laser and plasma physics, Volume. 5, Issue 1, 14(2007)

[in Chinese]^1,2, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]², and [in Chinese]²

¹Applied Ion Beam Physics Laboratory, Key Laboratory of the Ministry of Education, Institute of Modern Physics, Fudan University, Shanghai, 200433, China

²Shanghai Institute of Laser Plasma, Shanghai, 201800, China

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The field intensity distribution and phase velocity characteristics of a flat-top laser beam are analyzed and discussed. The dynamics of electron acceleration in this kind of beam are investigated using three-dimensional test particle simulations. Compared with the standard (i.e., TEM00 mode) Gaussian beam, a flat-top laser beam has a stronger longitudinal electric field and a larger diffraction angle. These characteristics make it easier for electrons to be trapped and accelerated by the beam. With a flat-top shape, the laser beam is also applicable to the acceleration of low energy electron and bunch compression.

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Vacuum electron acceleration and bunch compression by a flat-top laser beam[J]. Collection Of theses on high power laser and plasma physics, 2007, 5(1): 14

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Paper Information

Received: Jun. 17, 2007

Accepted: --

Published Online: Sep. 18, 2008

The Author Email:

DOI:

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology