Longitudinal beam profile measurements of the microbunching instability

Abstract

The microbunching instability is a phenomenon characterized by the onset of radiation bursts above a threshold bunch current. These bursts consist of coherent emissions with wavelengths comparable to the bunch length and shorter. The instability has recently been observed at Diamond Light Source, a 3rd generation synchrotron. The operating conditions for triggering the instability at Diamond Light Source are well known, however measuring the spectral content of the resulting emissions is a more challenging investigation. A Michelson interferometer has been installed with the aim of recording the coherent spectrum from the bunches, using ultra-fast response Schottky Barrier Diode detectors. The longitudinal profile of the bunches can be estimated with subsequent analysis.

Original language	English
Title of host publication	IPAC 2014
Subtitle of host publication	Proceedings of the 5th International Particle Accelerator Conference
Publisher	Joint Accelerator Conferences Website (JACoW)
Pages	3706-3708
Number of pages	3
ISBN (Electronic)	9783954501328
Publication status	Published - 1 Jul 2014
Event	5th International Particle Accelerator Conference, IPAC 2014 - Dresden, Germany Duration: 15 Jun 2014 → 20 Jun 2014

Conference

Conference	5th International Particle Accelerator Conference, IPAC 2014
Country	Germany
City	Dresden
Period	15.6.14 → 20.6.14

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Cite this

Shields, W., Finn, A., Karataev, P., Bartolini, R., Martin, I. P. S., & Rehm, G. (2014). Longitudinal beam profile measurements of the microbunching instability. In IPAC 2014: Proceedings of the 5th International Particle Accelerator Conference (pp. 3706-3708). Joint Accelerator Conferences Website (JACoW).

Longitudinal beam profile measurements of the microbunching instability. / Shields, W.; Finn, A.; Karataev, P.; Bartolini, R.; Martin, I. P S; Rehm, G.

IPAC 2014: Proceedings of the 5th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW), 2014. p. 3706-3708.

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

Shields, W, Finn, A, Karataev, P, Bartolini, R, Martin, IPS & Rehm, G 2014, Longitudinal beam profile measurements of the microbunching instability. in IPAC 2014: Proceedings of the 5th International Particle Accelerator Conference. Joint Accelerator Conferences Website (JACoW), pp. 3706-3708, 5th International Particle Accelerator Conference, IPAC 2014, Dresden, Germany, 15.6.14.

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AB - The microbunching instability is a phenomenon characterized by the onset of radiation bursts above a threshold bunch current. These bursts consist of coherent emissions with wavelengths comparable to the bunch length and shorter. The instability has recently been observed at Diamond Light Source, a 3rd generation synchrotron. The operating conditions for triggering the instability at Diamond Light Source are well known, however measuring the spectral content of the resulting emissions is a more challenging investigation. A Michelson interferometer has been installed with the aim of recording the coherent spectrum from the bunches, using ultra-fast response Schottky Barrier Diode detectors. The longitudinal profile of the bunches can be estimated with subsequent analysis.

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