Measurement of coherent off-axis undulator radiation as a beam diagnostic

C. P. Neuman, William Graves, G. L. Carr, P. G. O'Shea

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A diagnostic undulator is used to measure relative electron bunch lengths. The radiation produced by the short undulator is observed off-axis so that the beam is not interrupted. Wavelengths radiated which are longer than the bunch length are coherent and may be more intense than the shorter wavelengths by a factor of up to 109. The total energy radiated thus changes as the bunch length changes, and a measurement of the radiated energy provides a robust beam diagnostic. This non-disturbing diagnostic would be useful in applications where the length of short electron bunches is critical, such as single-pass FELs and linear colliders. For example, real-time bunch length measurements could be used to optimize performance of a single-pass FEL. The experiment is performed at the Source Development Lab (SDL) at Brookhaven National Laboratory. The theory and description of the experiment are reviewed, and the first experimental results are presented.

Original languageEnglish (US)
Title of host publicationProceedings of the IEEE Particle Accelerator Conference
EditorsP Lucas, S Webber
Pages2368-2370
Number of pages3
Volume3
StatePublished - 2001
Externally publishedYes
Event2001 Particle Accelerator Conference - Chicago, IL, United States
Duration: Jun 18 2001Jun 22 2001

Other

Other2001 Particle Accelerator Conference
CountryUnited States
CityChicago, IL
Period6/18/016/22/01

Fingerprint

Wigglers
Free electron lasers
Radiation
Wavelength
Electrons
Colliding beam accelerators
Experiments

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Neuman, C. P., Graves, W., Carr, G. L., & O'Shea, P. G. (2001). Measurement of coherent off-axis undulator radiation as a beam diagnostic. In P. Lucas, & S. Webber (Eds.), Proceedings of the IEEE Particle Accelerator Conference (Vol. 3, pp. 2368-2370)

Measurement of coherent off-axis undulator radiation as a beam diagnostic. / Neuman, C. P.; Graves, William; Carr, G. L.; O'Shea, P. G.

Proceedings of the IEEE Particle Accelerator Conference. ed. / P Lucas; S Webber. Vol. 3 2001. p. 2368-2370.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Neuman, CP, Graves, W, Carr, GL & O'Shea, PG 2001, Measurement of coherent off-axis undulator radiation as a beam diagnostic. in P Lucas & S Webber (eds), Proceedings of the IEEE Particle Accelerator Conference. vol. 3, pp. 2368-2370, 2001 Particle Accelerator Conference, Chicago, IL, United States, 6/18/01.
Neuman CP, Graves W, Carr GL, O'Shea PG. Measurement of coherent off-axis undulator radiation as a beam diagnostic. In Lucas P, Webber S, editors, Proceedings of the IEEE Particle Accelerator Conference. Vol. 3. 2001. p. 2368-2370
Neuman, C. P. ; Graves, William ; Carr, G. L. ; O'Shea, P. G. / Measurement of coherent off-axis undulator radiation as a beam diagnostic. Proceedings of the IEEE Particle Accelerator Conference. editor / P Lucas ; S Webber. Vol. 3 2001. pp. 2368-2370
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