Ultrashort Laser Pulse Beam Shaping
Applied Optics, Vol. 42, Issue 4, pp. 715-718 (2003)
http://dx.doi.org/10.1364/AO.42.000715
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Abstract
We calculated the temporal and spatial characteristics of an ultrashort laser pulse propagating through a diffractive beam-shaping system that converts a Gaussian beam into a beam with a uniform irradiance profile that was originally designed for continuous waves [Proc. SPIE 2863, 237 (1996)]. The pulse front is found to be considerably curved for a 10-fs pulse, resulting in a temporal broadening of the pulse that increases with increasing radius. The spatial intensity distribution deviates significantly from a top-hat profile, whereas the fluence shows a homogeneous radial distribution.
© 2003 Optical Society of America
[Optical Society of America ]
OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(320.5550) Ultrafast optics : Pulses
Citation
Shuyan Zhang, Yuhang Ren, and Gunter Lüpke, "Ultrashort Laser Pulse Beam Shaping," Appl. Opt. 42, 715-718 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-4-715
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