Plasma Waveguides: Addition of End Funnels and Generation in Clustered Gases
Abstract
We present results from some recent experiments: the generation of a plasma funnel for improved pump pulse input coupling to plasma waveguides, and the development of a single shot transient phase diagnostic with 15 fs temporal resolution. The phase diagnostic is used in two experiments. We first demonstrate that short pulse heated clustered gases can act as an optical guiding medium and are highly absorbing. We show that this leads to a method for plasma waveguide generation at densities substantially lower than current typical values. Second, we measure transient phase shifts generated by intense pump pulses injected into plasma waveguides.
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A parabolic transverse density profile can be matched to guide a Gaussian laser mode without distortion in the low intensity limit, and guiding has been previously demonstrated over many Z_R at input intensities below 2x10^17 W/cm2.
“A parabolic transverse density profile can be matched to guide a Gaussian laser mode without distortion in the low intensity limit, and guiding has been previously demonstrated [18][19][20][21] over many Z R at input intensities below 2x10 17 W/cm 2 .”
From High-quality electron beams from a laser wakefield accelerator using plasma-channel guiding (2004) · cites this paper as [20]
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High-quality electron beams from a laser wakefield accelerator using plasma-channel guiding
Geddes, C. G. R., Toth, C., van Tilborg, J., Esarey, E., Schroeder, C. B., Bruhwiler, D., Nieter, C., Cary, J., & Leemans, W. P. (2004) · Nature · doi:10.1038/nature02900 · Cited by 2,001 · see citing works
- Authors
- Kim, K. Y.
- Affiliations
- University of Maryland, College Park (US)
- Corresponding author
- Kim, K. Y.
- ORCID
- Kim, K. Y.
- Venue
- AIP Conference Proceedings
- Publisher
- AIP
- Published
- 2002
- Volume
- 647
- Pages
- 646-653
- ISSN
- 0094-243X (ISSN-L)
- OpenAlex
- W1553425305
- Cited by
- 11
- References
- 0
- Citations by year
- 2025: 1 · 2024: 1 · 2020: 1
- FWCI
- 10.36
- Type
- conference paper
- Language
- en
- Open access
- closed
- Locations
- AIP conference proceedings (publishedVersion)
- Topics
- Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Laser-Plasma Interactions and Diagnostics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
- Physical Sciences › Engineering › Control and Systems Engineering › Pulsed Power Technology Applications
- Keywords
- plasma waveguide, plasma absorption, high-intensity laser pulses
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