FEL2019 - List of Authors (Dang, D.K.)

Paper	Title	Page
THP073	Status Update for the High Gain High Efficiency TESSA-266 Experiment	730
	Y. Park, D.K. Dang, P.E. Denham, P. Musumeci, N.S. Sudar UCLA, Los Angeles, USA R.B. Agustsson, T.J. Campese, I.I. Gadjev, A.Y. Murokh RadiaBeam, Marina del Rey, California, USA C.C. Hall, S.D. Webb RadiaSoft LLC, Boulder, Colorado, USA Y. Sun, A. Zholents ANL, Lemont, Illinois, USA
	Funding: DOE grant No. DE-SC0009914 and DE-SC0018559 Tapering Enhanced Stimulated Superradiant Amplification (TESSA) allows to increase the efficiency of Free Electron Laser (FEL) based radiation generation from ~0.1% to 10% by using intense seed laser pulses, strongly tapered undulators and prebunched electron beams [1]. Initial results validating this method have already been obtained at 10 µm wavelength at Brookhaven National Laboratory [2]. We will present the design of an experiment to demonstrate the TESSA scheme at high gain and shorter wavelength (266 nm) using the APS injector linac at Argonne National Labor-atory (ANL) to obtain conversion efficiency of up to 10%. Undulator and focusing lattice design, as well as beam dynamics and diagnostics for this experiment will be discussed. An extension of the experiment to include the possibility of multi-bunch linac operation and an optical cavity around the undulator to operate in the TESSO regime will also be presented [3]. [1] J. Duris et al., New J. Phys. 17 063036 (2015) [2] N Sudar et al., Physical review letters, 117, 174801 (2016) [3] J. Duris et al., Physical Review Accelerators and Beams 21, 080705 (2018)
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-FEL2019-THP073
About •	paper received ※ 20 August 2019 paper accepted ※ 29 August 2019 issue date ※ 05 November 2019
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

Status Update for the High Gain High Efficiency TESSA-266 Experiment

730

Y. Park, D.K. Dang, P.E. Denham, P. Musumeci, N.S. Sudar
UCLA, Los Angeles, USA
R.B. Agustsson, T.J. Campese, I.I. Gadjev, A.Y. Murokh
RadiaBeam, Marina del Rey, California, USA
C.C. Hall, S.D. Webb
RadiaSoft LLC, Boulder, Colorado, USA
Y. Sun, A. Zholents
ANL, Lemont, Illinois, USA

Funding: DOE grant No. DE-SC0009914 and DE-SC0018559
Tapering Enhanced Stimulated Superradiant Amplification (TESSA) allows to increase the efficiency of Free Electron Laser (FEL) based radiation generation from ~0.1% to 10% by using intense seed laser pulses, strongly tapered undulators and prebunched electron beams [1]. Initial results validating this method have already been obtained at 10 µm wavelength at Brookhaven National Laboratory [2]. We will present the design of an experiment to demonstrate the TESSA scheme at high gain and shorter wavelength (266 nm) using the APS injector linac at Argonne National Labor-atory (ANL) to obtain conversion efficiency of up to 10%. Undulator and focusing lattice design, as well as beam dynamics and diagnostics for this experiment will be discussed. An extension of the experiment to include the possibility of multi-bunch linac operation and an optical cavity around the undulator to operate in the TESSO regime will also be presented [3].
[1] J. Duris et al., New J. Phys. 17 063036 (2015)
[2] N Sudar et al., Physical review letters, 117, 174801 (2016)
[3] J. Duris et al., Physical Review Accelerators and Beams 21, 080705 (2018)

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-FEL2019-THP073

About •

paper received ※ 20 August 2019 paper accepted ※ 29 August 2019 issue date ※ 05 November 2019

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)