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  Compact x-ray source based on burst-mode inverse Compton scattering at 100 kHz

Graves, W., Bessuille, J., Brown, P., Carbajo, S., Dolgashev, V., Hong, K.-H., et al. (2014). Compact x-ray source based on burst-mode inverse Compton scattering at 100 kHz. Physical Review Accelerators and Beams, 17(12): 120701. doi:10.1103/PhysRevSTAB.17.120701.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-DFBC-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-DFBD-2
Genre: Journal Article

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PhysRevSTAB.17.120701.pdf (Publisher version), 8MB
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PhysRevSTAB.17.120701.pdf
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2014
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© W. S. Graves et al.

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https://arxiv.org/abs/1409.6954 (Preprint)
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 Creators:
Graves, W. S.1, Author
Bessuille, J.2, Author
Brown, P.2, Author
Carbajo, S.3, Author
Dolgashev, V.4, Author
Hong, K.-H.1, Author
Ihloff, E.2, Author
Khaykovich, B.1, Author
Lin, H.1, Author
Murari, Krishna3, 5, Author              
Nanni, E. A.1, Author
Resta, G.1, Author
Tantawi, S.4, Author
Zapata, L. E.1, 3, Author
Kärtner, F. X.1, 3, Author
Moncton, D. E.1, Author
Affiliations:
1Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA, ou_persistent22              
2MIT-Bates Laboratory, Middleton, Massachusetts 02139, USA, ou_persistent22              
3CFEL, 22761 Hamburg, Germany, ou_persistent22              
4SLAC, 2575 Sand Hill Road, Menlo Park, California 94025, USA, ou_persistent22              
5International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266714              

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Free keywords: PACS numbers: 41.50.+h, 52.59.Px, 29.20.Ej, 29.20.dk
 Abstract: A design for a compact x-ray light source (CXLS) with flux and brilliance orders of magnitude beyond existing laboratory scale sources is presented. The source is based on inverse Compton scattering of a high brightness electron bunch on a picosecond laser pulse. The accelerator is a novel high-efficiency standing-wave linac and rf photoinjector powered by a single ultrastable rf transmitter at X-band rf frequency. The high efficiency permits operation at repetition rates up to 1 kHz, which is further boosted to 100 kHz by operating with trains of 100 bunches of 100 pC charge, each separated by 5 ns. The entire accelerator is approximately 1 meter long and produces hard x rays tunable over a wide range of photon energies. The colliding laser is a Yb∶YAG solid-state amplifier producing 1030 nm, 100 mJ pulses at the same 1 kHz repetition rate as the accelerator. The laser pulse is frequency-doubled and stored for many passes in a ringdown cavity to match the linac pulse structure. At a photon energy of 12.4 keV, the predicted x-ray flux is 5×1011 photons/second in a 5% bandwidth and the brilliance is 2×1012 photons/(sec mm2 mrad2 0.1%) in pulses with rms pulse length of 490 fs. The nominal electron beam parameters are 18 MeV kinetic energy, 10 microamp average current, 0.5 microsecond macropulse length, resulting in average electron beam power of 180 W. Optimization of the x-ray output is presented along with design of the accelerator, laser, and x-ray optic components that are specific to the particular characteristics of the Compton scattered x-ray pulses.

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Language(s): eng - English
 Dates: 2014-07-302014-12-01
 Publication Status: Published online
 Pages: 24
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1103/PhysRevSTAB.17.120701
arXiv: 1409.6954
 Degree: PhD

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Title: Physical Review Accelerators and Beams
  Abbreviation : Phys. Rev. AB
Source Genre: Journal
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Publ. Info: Ridge, NY, USA : American Physical Society
Pages: - Volume / Issue: 17 (12) Sequence Number: 120701 Start / End Page: - Identifier: ISSN: 2469-9888
CoNE: /journals/resource/954925225013