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Title: THz and Sub-THz Capabilities of a Table-Top Radiation Source Driven by an RF Thermionic Electron Gun

Abstract

Design features and experimental results are presented for a sub-mm wave source [1] based on APS RF thermionic electron gun. The setup includes compact alpha-magnet, quadrupoles, sub-mm-wave radiators, and THz optics. The sub-THz radiator is a planar, oversized structure with gratings. Source upgrade for generation frequencies above 1 THz is discussed. The THz radiator will use a short-period undulator having 1 T field amplitude, ~20 cm length, and integrated with a low-loss oversized waveguide. Both radiators are integrated with a miniature horn antenna and a small ~90°-degree in-vacuum bending magnet. The electron beamline is designed to operate different modes including conversion to a flat beam interacting efficiently with the radiator. The source can be used for cancer diagnostics, surface defectoscopy, and non-destructive testing. Sub-THz experiment demonstrated a good potential of a robust, table-top system for generation of a narrow bandwidth THz radiation. This setup can be considered as a prototype of a compact, laser-free, flexible source capable of generation of long trains of Sub-THz and THz pulses with repetition rates not available with laser-driven sources.

Authors:
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Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1394652
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Conference
Resource Relation:
Conference: 2016 North American Particle Accelerator Conference, 10/09/16 - 10/14/16, Chicago, IL, US
Country of Publication:
United States
Language:
English

Citation Formats

Smirnov, Alexei V., Agustsson, R., Boucher, S., Campese, Tara, Chen, Y.C., Hartzell, Josiah J., Jocobson, B.T., Murokh, A., O'Shea, F.H., Spranza, E., Berg, W., Borland, M., Dooling, J. C., Erwin, L., Lindberg, R. R., Pasky, S.J., Sereno, N., Sun, Y., and Zholents, A. THz and Sub-THz Capabilities of a Table-Top Radiation Source Driven by an RF Thermionic Electron Gun. United States: N. p., 2017. Web.
Smirnov, Alexei V., Agustsson, R., Boucher, S., Campese, Tara, Chen, Y.C., Hartzell, Josiah J., Jocobson, B.T., Murokh, A., O'Shea, F.H., Spranza, E., Berg, W., Borland, M., Dooling, J. C., Erwin, L., Lindberg, R. R., Pasky, S.J., Sereno, N., Sun, Y., & Zholents, A. THz and Sub-THz Capabilities of a Table-Top Radiation Source Driven by an RF Thermionic Electron Gun. United States.
Smirnov, Alexei V., Agustsson, R., Boucher, S., Campese, Tara, Chen, Y.C., Hartzell, Josiah J., Jocobson, B.T., Murokh, A., O'Shea, F.H., Spranza, E., Berg, W., Borland, M., Dooling, J. C., Erwin, L., Lindberg, R. R., Pasky, S.J., Sereno, N., Sun, Y., and Zholents, A. Thu . "THz and Sub-THz Capabilities of a Table-Top Radiation Source Driven by an RF Thermionic Electron Gun". United States. doi:. https://www.osti.gov/servlets/purl/1394652.
@article{osti_1394652,
title = {THz and Sub-THz Capabilities of a Table-Top Radiation Source Driven by an RF Thermionic Electron Gun},
author = {Smirnov, Alexei V. and Agustsson, R. and Boucher, S. and Campese, Tara and Chen, Y.C. and Hartzell, Josiah J. and Jocobson, B.T. and Murokh, A. and O'Shea, F.H. and Spranza, E. and Berg, W. and Borland, M. and Dooling, J. C. and Erwin, L. and Lindberg, R. R. and Pasky, S.J. and Sereno, N. and Sun, Y. and Zholents, A.},
abstractNote = {Design features and experimental results are presented for a sub-mm wave source [1] based on APS RF thermionic electron gun. The setup includes compact alpha-magnet, quadrupoles, sub-mm-wave radiators, and THz optics. The sub-THz radiator is a planar, oversized structure with gratings. Source upgrade for generation frequencies above 1 THz is discussed. The THz radiator will use a short-period undulator having 1 T field amplitude, ~20 cm length, and integrated with a low-loss oversized waveguide. Both radiators are integrated with a miniature horn antenna and a small ~90°-degree in-vacuum bending magnet. The electron beamline is designed to operate different modes including conversion to a flat beam interacting efficiently with the radiator. The source can be used for cancer diagnostics, surface defectoscopy, and non-destructive testing. Sub-THz experiment demonstrated a good potential of a robust, table-top system for generation of a narrow bandwidth THz radiation. This setup can be considered as a prototype of a compact, laser-free, flexible source capable of generation of long trains of Sub-THz and THz pulses with repetition rates not available with laser-driven sources.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jun 01 00:00:00 EDT 2017},
month = {Thu Jun 01 00:00:00 EDT 2017}
}

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