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Volume 12
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10.3390/app12168341
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Article

Synchronised TeraHertz Radiation and Soft X-rays Produced in a FEL Oscillator

by
Vittoria Petrillo
1,2,*,
Alberto Bacci
2,
Illya Drebot
2,
Michele Opromolla
1,2,
Andrea Renato Rossi
2,
Marcello Rossetti Conti
2,
Marcel Ruijter
2,
Sanae Samsam
2,3 and
Luca Serafini
2
1
Department of Physics, Università degli Studi di Milano, Via Celoria 16, 20133 Milan, Italy
2
Istituto Nazionale di Fisica Nucleare-Sezione di Milano, Via Celoria 16, 20133 Milan and LASA, Via F. Cervi 201, 20090 Segrate (MI), Italy
3
Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy
*
Author to whom correspondence should be addressed.
Appl. Sci. 2022, 12(16), 8341; https://doi.org/10.3390/app12168341
Submission received: 21 June 2022 / Revised: 10 August 2022 / Accepted: 17 August 2022 / Published: 20 August 2022
(This article belongs to the Special Issue RF-Based Undulators and High-Gradient Accelerator Fed by High-Frequency Electromagnetic Devices)
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Abstract

We present a scheme to generate synchronised THz and soft X-ray radiation pulses by using a free-electron laser oscillator driven by a high repetition rate (of order 10–100 MHz) energy recovery linac. The backward THz radiation in the oscillator cavity interacts with a successive electron bunch, thus producing few 105 soft/hard X-ray photons per shot (namely 1012–1013 photons/s) via Thomson/Compton back-scattering, synchronised with the mJ-class THz pulse within the temporal jitter of electron beams accelerated in the superconducting cavities of the linac (less than 100 fs). Detailed simulations have been performed in order to assess the capability of the scheme for typical wavelengths of interest, between 10 and 50 μm for the TeraHertz radiation and 0.5–3 nm for the X-rays.
Keywords: FEL oscillator; Compton source; dual source FEL oscillator; Compton source; dual source

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MDPI and ACS Style

Petrillo, V.; Bacci, A.; Drebot, I.; Opromolla, M.; Rossi, A.R.; Rossetti Conti, M.; Ruijter, M.; Samsam, S.; Serafini, L. Synchronised TeraHertz Radiation and Soft X-rays Produced in a FEL Oscillator. Appl. Sci. 2022, 12, 8341. https://doi.org/10.3390/app12168341

AMA Style

Petrillo V, Bacci A, Drebot I, Opromolla M, Rossi AR, Rossetti Conti M, Ruijter M, Samsam S, Serafini L. Synchronised TeraHertz Radiation and Soft X-rays Produced in a FEL Oscillator. Applied Sciences. 2022; 12(16):8341. https://doi.org/10.3390/app12168341

Chicago/Turabian Style

Petrillo, Vittoria, Alberto Bacci, Illya Drebot, Michele Opromolla, Andrea Renato Rossi, Marcello Rossetti Conti, Marcel Ruijter, Sanae Samsam, and Luca Serafini. 2022. "Synchronised TeraHertz Radiation and Soft X-rays Produced in a FEL Oscillator" Applied Sciences 12, no. 16: 8341. https://doi.org/10.3390/app12168341

APA Style

Petrillo, V., Bacci, A., Drebot, I., Opromolla, M., Rossi, A. R., Rossetti Conti, M., Ruijter, M., Samsam, S., & Serafini, L. (2022). Synchronised TeraHertz Radiation and Soft X-rays Produced in a FEL Oscillator. Applied Sciences, 12(16), 8341. https://doi.org/10.3390/app12168341

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