Capabilities of coherent spontaneous terahertz undulator radiation from short electron bunches

Nezah Balal; Ilya V. Bandurkin; Vladimir L. Bratman; Aharon Friedman; Yury Lurie; Andrey V. Savilov

doi:10.1109/IRMMW-THz.2016.7758441

Capabilities of coherent spontaneous terahertz undulator radiation from short electron bunches

Nezah Balal, Ilya V. Bandurkin, Vladimir L. Bratman, Aharon Friedman, Yury Lurie, Andrey V. Savilov

Department of Electrical and Electronics Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Density modulation of picosecond or sub-picosecond quasi-plane electron bunches formed in laser-driven photo-injectors cannot lead to excitation of non-linear plasma waves (unlike it is asserted in [1,2]). Nevertheless, though Coulomb repulsion increases axial scales, a density periodicity in such beams is nearly preserved. As a result, relatively long modulated quasi-plane bunches can emit higher energy and narrower spectrum than short single bunches with the same charge. Significantly higher effect can be obtained due to stabilization of a single bunch size in a combined undulator and strong guiding magnetic fields due to Negative Mass Instability (NMI).

Original language	English
Title of host publication	41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016
Publisher	IEEE Computer Society
ISBN (Electronic)	9781467384858
DOIs	https://doi.org/10.1109/IRMMW-THz.2016.7758441
State	Published - 28 Nov 2016
Event	41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016 - Copenhagen, Denmark Duration: 25 Sep 2016 → 30 Sep 2016

Publication series

Name	International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
Volume	2016-November
ISSN (Print)	2162-2027
ISSN (Electronic)	2162-2035

Conference

Conference	41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016
Country/Territory	Denmark
City	Copenhagen
Period	25/09/16 → 30/09/16

Access to Document

10.1109/IRMMW-THz.2016.7758441

Cite this

Balal, N., Bandurkin, I. V., Bratman, V. L., Friedman, A., Lurie, Y., & Savilov, A. V. (2016). Capabilities of coherent spontaneous terahertz undulator radiation from short electron bunches. In 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016 Article 7758441 (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; Vol. 2016-November). IEEE Computer Society. https://doi.org/10.1109/IRMMW-THz.2016.7758441

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abstract = "Density modulation of picosecond or sub-picosecond quasi-plane electron bunches formed in laser-driven photo-injectors cannot lead to excitation of non-linear plasma waves (unlike it is asserted in [1,2]). Nevertheless, though Coulomb repulsion increases axial scales, a density periodicity in such beams is nearly preserved. As a result, relatively long modulated quasi-plane bunches can emit higher energy and narrower spectrum than short single bunches with the same charge. Significantly higher effect can be obtained due to stabilization of a single bunch size in a combined undulator and strong guiding magnetic fields due to Negative Mass Instability (NMI).",

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Balal, N, Bandurkin, IV, Bratman, VL, Friedman, A , Lurie, Y & Savilov, AV 2016, Capabilities of coherent spontaneous terahertz undulator radiation from short electron bunches. in 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016., 7758441, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, vol. 2016-November, IEEE Computer Society, 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016, Copenhagen, Denmark, 25/09/16. https://doi.org/10.1109/IRMMW-THz.2016.7758441

Capabilities of coherent spontaneous terahertz undulator radiation from short electron bunches. / Balal, Nezah; Bandurkin, Ilya V.; Bratman, Vladimir L. et al.
41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016. IEEE Computer Society, 2016. 7758441 (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz; Vol. 2016-November).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - Density modulation of picosecond or sub-picosecond quasi-plane electron bunches formed in laser-driven photo-injectors cannot lead to excitation of non-linear plasma waves (unlike it is asserted in [1,2]). Nevertheless, though Coulomb repulsion increases axial scales, a density periodicity in such beams is nearly preserved. As a result, relatively long modulated quasi-plane bunches can emit higher energy and narrower spectrum than short single bunches with the same charge. Significantly higher effect can be obtained due to stabilization of a single bunch size in a combined undulator and strong guiding magnetic fields due to Negative Mass Instability (NMI).

AB - Density modulation of picosecond or sub-picosecond quasi-plane electron bunches formed in laser-driven photo-injectors cannot lead to excitation of non-linear plasma waves (unlike it is asserted in [1,2]). Nevertheless, though Coulomb repulsion increases axial scales, a density periodicity in such beams is nearly preserved. As a result, relatively long modulated quasi-plane bunches can emit higher energy and narrower spectrum than short single bunches with the same charge. Significantly higher effect can be obtained due to stabilization of a single bunch size in a combined undulator and strong guiding magnetic fields due to Negative Mass Instability (NMI).

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Balal N, Bandurkin IV, Bratman VL, Friedman A , Lurie Y, Savilov AV. Capabilities of coherent spontaneous terahertz undulator radiation from short electron bunches. In 41st International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2016. IEEE Computer Society. 2016. 7758441. (International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz). doi: 10.1109/IRMMW-THz.2016.7758441

Capabilities of coherent spontaneous terahertz undulator radiation from short electron bunches

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