Single-Shot Diagnostics of Microbunched Electrons in Laser-Driven Plasma Accelerators and Free-Electron Lasers [electronic resource]
aThe need for single-shot diagnostics of the periodic longitudinal density modulation of relativistic electrons at the resonant wavelength (microbunching) in a free-electron laser (FEL) or at broadband visible wavelengths as in a laser-driven plasma accelerator (LPA) has been reaffirmed. In the self...
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| Format: | Government Document Electronic eBook |
| Language: | English |
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Batavia, Ill. : Oak Ridge, Tenn. :
Fermi National Accelerator Laboratory ; Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2019.
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MARC
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| 245 | 0 | 0 | |a Single-Shot Diagnostics of Microbunched Electrons in Laser-Driven Plasma Accelerators and Free-Electron Lasers |h [electronic resource] |
| 260 | |a Batavia, Ill. : |b Fermi National Accelerator Laboratory ; |a Oak Ridge, Tenn. : |b Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2019. | ||
| 300 | |a Medium: ED : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
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| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through Scitech Connect. | ||
| 500 | |a 09/01/2019. | ||
| 500 | |a "fermilab-poster-19-115-ad" | ||
| 500 | |a "Other: oai:inspirehep.net:1761031" | ||
| 500 | |a Lumpkin, A. H. ; Rule, D. W.; | ||
| 500 | |a USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25) | ||
| 520 | 3 | |a aThe need for single-shot diagnostics of the periodic longitudinal density modulation of relativistic electrons at the resonant wavelength (microbunching) in a free-electron laser (FEL) or at broadband visible wavelengths as in a laser-driven plasma accelerator (LPA) has been reaffirmed. In the self-amplified spontaneous emission (SASE) FEL case, statistical fluctuations in the microbunching occur in the startup- from-noise process. In the LPA, the plasma itself is chaotic and varies shot to shot. Fortunately, we have shown that coherent optical transition radiation (COTR) techniques, can assess beam size, divergence, spectral evolution, and z-dependent gain (100,000) of microbunched electrons in a past SASE FEL experiment at 530 nm*. Recently, the application to LPAs has been demonstrated with single-shot near-field (NF) and far-field (FF) COTR imaging done at the exit of an LPA for the first time**. In this case few-micron beam sizes and extensive fringes due to su b-mrad divergences were measured based on point-spread-function effects and an analytical model for COTR interferometry (COTRI), respectively. A new COTR-based diagnostics application to pre-bunched electron beams formed by co-propagating a laser pulse and the electron pulse in a short undulator (modulator) is also described. | |
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| 650 | 7 | |a 43 particle accelerators |2 local. | |
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| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/servlets/purl/1571790 |z Full Text (via OSTI) |
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