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Title: THz-driven zero-slippage IFEL scheme for phase space manipulation

Journal Article · · New Journal of Physics
 [1];  [1];  [1];  [2]
  1. Univ. of California, Los Angeles, CA (United States)
  2. Tel Aviv Univ., Ramat Aviv (Israel)

In this paper, we describe an inverse free electron laser (IFEL) interaction driven by a near single-cycle THz pulse that is group velocity-matched to an electron bunch inside a waveguide, allowing for a sustained interaction in a magnetic undulator. We discuss the application of this guided-THz IFEL technique for compression of a relativistic electron bunch and synchronization with the external laser pulse used to generate the THz pulse via optical rectification, as well as a laser-driven THz streaking diagnostic with the potential for femtosecond scale temporal resolution. Initial measurements of the THz waveform via an electro-optic sampling based technique confirm the predicted reduction of the group velocity, using a curved parallel plate waveguide, as a function of the varying aperture size of the guide. We also present the design of a proof-of-principle experiment based on the bunch parameters available at the UCLA PEGASUS laboratory. With a $$10\,\mathrm{MV}\,{{\rm{m}}}^{-1}$$ THz peak field, our simulation model predicts compression of a $$6\,\mathrm{MeV}$$ $$100\,\mathrm{fs}$$ electron beam by nearly an order of magnitude and a significant reduction of its initial timing jitter.

Research Organization:
Univ. of California, Los Angeles, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF); US-Israel Binational Science Foundation (BSF), Jerusalem (Israel)
Grant/Contract Number:
SC0009914; PHY-1415583; sc000991914
OSTI ID:
1333428
Alternate ID(s):
OSTI ID: 1333429; OSTI ID: 1423948
Journal Information:
New Journal of Physics, Journal Name: New Journal of Physics Vol. 18 Journal Issue: 11; ISSN 1367-2630
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United Kingdom
Language:
English
Citation Metrics:
Cited by: 16 works
Citation information provided by
Web of Science

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Figures / Tables (16)


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