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Chirp effect in hard X-ray generation from liquid target when irradiated by femtosecond pulses.
- Source :
-
Optics express [Opt Express] 2008 Aug 18; Vol. 16 (17), pp. 12650-7. - Publication Year :
- 2008
-
Abstract
- The chirp effect on a X-ray emission intensity from a CsCl aqueous solution jet irradiated by femtosecond pulses was systematically studied. The p-polarized chirped pulses were more efficient as compared with the shortest pulses determined by the spectral bandwidth. The negatively-chirped pulses of approximately 240 fs duration produced up to 10 times larger X-ray intensity as compared with the transform-limited 160 fs pulses. The angular dependence of X-ray generation can be explained by the resonant absorption. Numerical simulations of electron density evolution due to the avalanche and multi-photon absorption supports qualitatively well the experimental observations.
- Subjects :
- Computer Simulation
Scattering, Radiation
Solutions
Lasers
Models, Theoretical
X-Rays
Subjects
Details
- Language :
- English
- ISSN :
- 1094-4087
- Volume :
- 16
- Issue :
- 17
- Database :
- MEDLINE
- Journal :
- Optics express
- Publication Type :
- Academic Journal
- Accession number :
- 18711502
- Full Text :
- https://doi.org/10.1364/oe.16.012650