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- Title
Time-sequence imaging of relativistic laser–plasma interactions using a novel two-color probe pulse.
- Authors
Kaluza, M. C.; Santala, M. I. K.; Schreiber, J.; Tsakiris, G. D.; Witte, K. J.
- Abstract
We describe and demonstrate a novel experimental technique to record two picosecond-separated images of the evolution of a single-shot laser-produced plasma using a two-color probe beam. In this technique, the probe beam was first partially frequency doubled. The 1 ω and 2 ω components were then temporally separated in a dispersive medium. The pulses remained intrinsically synchronized, both having a duration of ∼150 fs, but they were separated by 4.1 ps. Using a Nomarskii-type interferometer, this novel technique was used to obtain two time-resolved snapshots of the evolution of the electron density at different time steps during the formation of a relativistic plasma channel.
- Subjects
LASERS; PLASMA probes; ELECTRON beams; INTERFEROMETERS; ELECTRON distribution
- Publication
Applied Physics B: Lasers & Optics, 2008, Vol 92, Issue 4, p475
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-008-3150-z