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Zen H, Hajima R, Ohgaki H. Full characterization of superradiant pulses generated from a free-electron laser oscillator. Sci Rep 2023; 13:6350. [PMID: 37072550 PMCID: PMC10113263 DOI: 10.1038/s41598-023-33550-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 04/14/2023] [Indexed: 05/03/2023] Open
Abstract
The detailed structure of superradiant pulses generated from a free-electron laser (FEL) oscillator was experimentally revealed for the first time. Owing to the phase retrieval with a combination of linear and nonlinear autocorrelation measurements, we successfully reconstructed the temporal waveform of an FEL pulse including its phase variation. The waveform clearly exhibits the features of a superradiant pulse, the main pulse followed by a train of sub-pulses with π-phase jumps, reflecting the physics of light-matter resonant interaction. From numerical simulations, the train of sub-pulses was found to originate from repeated formation and deformation of microbunches accompanied with a temporal slippage of the electrons and light field, a process quite different from coherent many-body Rabi oscillations observed in superradiance from atomic systems.
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Affiliation(s)
- Heishun Zen
- Institute of Advanced Energy, Kyoto University, Gokasho Uji, Kyoto, 611-0011, Japan.
| | - Ryoichi Hajima
- National Institutes for Quantum Science and Technology, Kizugawa, Kyoto, 619-0215, Japan
| | - Hideaki Ohgaki
- Institute of Advanced Energy, Kyoto University, Gokasho Uji, Kyoto, 611-0011, Japan
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2
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High Repetition Rate and Coherent Free-Electron Laser Oscillator in the Tender X-ray Range Tailored for Linear Spectroscopy. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11135892] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Fine time-resolved analysis of matter—that is, spectroscopy and photon scattering—in the linear response regime requires fs-scale pulsed, high repetition rate, fully coherent X-ray sources. A seeded Free-Electron Laser, driven by a linac based on Super Conducting cavities, generating 108–1010 coherent photons at 2–5 keV with 0.2–1 MHz of repetition rate, can address this need. The scheme proposed is a Free-Electron Laser Oscillator at 3 keV, working with a cavity based on X-ray mirrors. The whole chain of the X-ray generation is here described by means of start-to-end simulations.
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3
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Giannessi L, Allaria E, Prince KC, Callegari C, Sansone G, Ueda K, Morishita T, Liu CN, Grum-Grzhimailo AN, Gryzlova EV, Douguet N, Bartschat K. Coherent control schemes for the photoionization of neon and helium in the Extreme Ultraviolet spectral region. Sci Rep 2018; 8:7774. [PMID: 29773811 PMCID: PMC5958097 DOI: 10.1038/s41598-018-25833-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 04/25/2018] [Indexed: 12/03/2022] Open
Abstract
The seeded Free-Electron Laser (FEL) FERMI is the first source of short-wavelength light possessing the full coherence of optical lasers, together with the extreme power available from FELs. FERMI provides longitudinally coherent radiation in the Extreme Ultraviolet and soft x-ray spectral regions, and therefore opens up wide new fields of investigation in physics. We first propose experiments exploiting this property to provide coherent control of the photoionization of neon and helium, carry out numerical calculations to find optimum experimental parameters, and then describe how these experiments may be realized. The approach uses bichromatic illumination of a target and measurement of the products of the interaction, analogous to previous Brumer-Shapiro-type experiments in the optical spectral range. We describe operational schemes for the FERMI FEL, and simulate the conditions necessary to produce light at the fundamental and second or third harmonic frequencies, and to control the phase with respect to the fundamental. We conclude that a quantitative description of the phenomena is extremely challenging for present state-of-the-art theoretical and computational methods, and further development is necessary. Furthermore, the intensity available may already be excessive for the experiments proposed on helium. Perspectives for further development are discussed.
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Affiliation(s)
- Luca Giannessi
- Elettra-Sincrotrone Trieste, 34149, Basovizza, Trieste, Italy.,ENEA C.R. Frascati, 00044, Frascati, Italy
| | - Enrico Allaria
- Elettra-Sincrotrone Trieste, 34149, Basovizza, Trieste, Italy
| | - Kevin C Prince
- Elettra-Sincrotrone Trieste, 34149, Basovizza, Trieste, Italy.
| | - Carlo Callegari
- Elettra-Sincrotrone Trieste, 34149, Basovizza, Trieste, Italy
| | - Giuseppe Sansone
- Dipartimento di Fisica, CNR-IFN, Politecnico di Milano, 20133, Milan, Italy.,Physikalisches Institut der Albert-Ludwigs-Universität Freiburg, 79104, Freiburg, Germany
| | - Kiyoshi Ueda
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, 980-8577, Japan
| | - Toru Morishita
- Institute for Advanced Science, The University of Electro-communications, 1-5-1 Chofu-ga-oka, Chofu-shi, Tokyo, 182-8585, Japan
| | - Chien Nan Liu
- Department of Physics, Fu-Jen Catholic University, Taipei, 24205, Taiwan
| | - Alexei N Grum-Grzhimailo
- Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Elena V Gryzlova
- Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, 119991, Russia
| | - Nicolas Douguet
- Department of Physics and Astronomy, Drake University, Des Moines, Iowa, 50311, USA.,Department of Physics, University of Central Florida, Orlando, Florida, 32816, USA
| | - Klaus Bartschat
- Department of Physics and Astronomy, Drake University, Des Moines, Iowa, 50311, USA
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Seddon EA, Clarke JA, Dunning DJ, Masciovecchio C, Milne CJ, Parmigiani F, Rugg D, Spence JCH, Thompson NR, Ueda K, Vinko SM, Wark JS, Wurth W. Short-wavelength free-electron laser sources and science: a review. REPORTS ON PROGRESS IN PHYSICS. PHYSICAL SOCIETY (GREAT BRITAIN) 2017; 80:115901. [PMID: 29059048 DOI: 10.1088/1361-6633/aa7cca] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
This review is focused on free-electron lasers (FELs) in the hard to soft x-ray regime. The aim is to provide newcomers to the area with insights into: the basic physics of FELs, the qualities of the radiation they produce, the challenges of transmitting that radiation to end users and the diversity of current scientific applications. Initial consideration is given to FEL theory in order to provide the foundation for discussion of FEL output properties and the technical challenges of short-wavelength FELs. This is followed by an overview of existing x-ray FEL facilities, future facilities and FEL frontiers. To provide a context for information in the above sections, a detailed comparison of the photon pulse characteristics of FEL sources with those of other sources of high brightness x-rays is made. A brief summary of FEL beamline design and photon diagnostics then precedes an overview of FEL scientific applications. Recent highlights are covered in sections on structural biology, atomic and molecular physics, photochemistry, non-linear spectroscopy, shock physics, solid density plasmas. A short industrial perspective is also included to emphasise potential in this area.
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Affiliation(s)
- E A Seddon
- ASTeC, STFC Daresbury Laboratory, Sci-Tech Daresbury, Keckwick Lane, Daresbury, Cheshire, WA4 4AD, United Kingdom. The School of Physics and Astronomy and Photon Science Institute, The University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom. The Cockcroft Institute, Sci-Tech Daresbury, Keckwick Lane, Daresbury, Cheshire, WA4 4AD, United Kingdom
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Petralia A, Anania MP, Artioli M, Bacci A, Bellaveglia M, Carpanese M, Chiadroni E, Cianchi A, Ciocci F, Dattoli G, Di Giovenale D, Di Palma E, Di Pirro GP, Ferrario M, Giannessi L, Innocenti L, Mostacci A, Petrillo V, Pompili R, Rau JV, Ronsivalle C, Rossi AR, Sabia E, Shpakov V, Vaccarezza C, Villa F. Two-Color Radiation Generated in a Seeded Free-Electron Laser with Two Electron Beams. PHYSICAL REVIEW LETTERS 2015; 115:014801. [PMID: 26182099 DOI: 10.1103/physrevlett.115.014801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Indexed: 06/04/2023]
Abstract
We present the experimental evidence of the generation of coherent and statistically stable two-color free-electron laser radiation obtained by seeding an electron beam double peaked in energy with a laser pulse single spiked in frequency. The radiation presents two neat spectral lines, with time delay, frequency separation, and relative intensity that can be accurately controlled. The analysis of the emitted radiation shows a temporal coherence and a shot-to-shot regularity in frequency significantly enhanced with respect to the self-amplified spontaneous emission.
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Affiliation(s)
- A Petralia
- ENEA Centro Ricerche Frascati, Via Enrico Fermi 45, IT 00044 Frascati, Roma, Italy
| | - M P Anania
- INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 44, 00044 Frascati, Roma, Italy
| | - M Artioli
- ENEA Centro Ricerche Bologna, Via Martiri Monte Sole 4, 40129 Bologna, Italy
| | - A Bacci
- INFN-Sezione di Milano, Via Celoria 16, 20133 Milano, Italy
| | - M Bellaveglia
- INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 44, 00044 Frascati, Roma, Italy
| | - M Carpanese
- ENEA Centro Ricerche Frascati, Via Enrico Fermi 45, IT 00044 Frascati, Roma, Italy
| | - E Chiadroni
- INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 44, 00044 Frascati, Roma, Italy
| | - A Cianchi
- Università Tor Vergata di Roma, Via della Ricerca Scientifica 1, 00133 Roma, Italy
| | - F Ciocci
- ENEA Centro Ricerche Frascati, Via Enrico Fermi 45, IT 00044 Frascati, Roma, Italy
| | - G Dattoli
- ENEA Centro Ricerche Frascati, Via Enrico Fermi 45, IT 00044 Frascati, Roma, Italy
| | - D Di Giovenale
- INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 44, 00044 Frascati, Roma, Italy
| | - E Di Palma
- ENEA Centro Ricerche Frascati, Via Enrico Fermi 45, IT 00044 Frascati, Roma, Italy
| | - G P Di Pirro
- INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 44, 00044 Frascati, Roma, Italy
| | - M Ferrario
- INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 44, 00044 Frascati, Roma, Italy
| | - L Giannessi
- ENEA Centro Ricerche Frascati, Via Enrico Fermi 45, IT 00044 Frascati, Roma, Italy
| | - L Innocenti
- Università Tor Vergata di Roma, Via della Ricerca Scientifica 1, 00133 Roma, Italy
| | - A Mostacci
- Università La Sapienza di Roma, Via Antonio Scarpa 24, 00133 Roma, Italy
| | - V Petrillo
- INFN-Sezione di Milano, Via Celoria 16, 20133 Milano, Italy
- Università degli Studi di Milano, Via Celoria 16, 20133 Milano, Italy
| | - R Pompili
- INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 44, 00044 Frascati, Roma, Italy
| | - J V Rau
- ISM-CNR, Via del Fosso del Cavaliere 100, 00133 Roma, Italy
| | - C Ronsivalle
- ENEA Centro Ricerche Frascati, Via Enrico Fermi 45, IT 00044 Frascati, Roma, Italy
| | - A R Rossi
- INFN-Sezione di Milano, Via Celoria 16, 20133 Milano, Italy
| | - E Sabia
- ENEA Centro Ricerche Frascati, Via Enrico Fermi 45, IT 00044 Frascati, Roma, Italy
| | - V Shpakov
- INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 44, 00044 Frascati, Roma, Italy
| | - C Vaccarezza
- INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 44, 00044 Frascati, Roma, Italy
| | - F Villa
- INFN Laboratori Nazionali di Frascati, Via Enrico Fermi 44, 00044 Frascati, Roma, Italy
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7
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Chiadroni E, Bellaveglia M, Calvani P, Castellano M, Catani L, Cianchi A, Di Pirro G, Ferrario M, Gatti G, Limaj O, Lupi S, Marchetti B, Mostacci A, Pace E, Palumbo L, Ronsivalle C, Pompili R, Vaccarezza C. Characterization of the THz radiation source at the Frascati linear accelerator. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2013; 84:022703. [PMID: 23464185 DOI: 10.1063/1.4790429] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The linac driven coherent THz radiation source at the SPARC-LAB test facility is able to deliver broadband THz pulses with femtosecond shaping. In addition, high peak power, narrow spectral bandwidth THz radiation can be also generated, taking advantage of advanced electron beam manipulation techniques, able to generate an adjustable train of electron bunches with a sub-picosecond length and with sub-picosecond spacing. The paper reports on the manipulation, characterization, and transport of the electron beam in the bending line transporting the beam down to the THz station, where different coherent transition radiation spectra have been measured and studied with the aim to optimize the THz radiation performances.
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8
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Giannessi L, Bellaveglia M, Chiadroni E, Cianchi A, Couprie ME, Del Franco M, Di Pirro G, Ferrario M, Gatti G, Labat M, Marcus G, Mostacci A, Petralia A, Petrillo V, Quattromini M, Rau JV, Spampinati S, Surrenti V. Superradiant cascade in a seeded free-electron laser. PHYSICAL REVIEW LETTERS 2013; 110:044801. [PMID: 25166168 DOI: 10.1103/physrevlett.110.044801] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2012] [Indexed: 06/03/2023]
Abstract
We report measurements demonstrating the concept of the free-electron laser (FEL) superradiant cascade. Radiation (λ(rad) = 200 nm) at the second harmonic of a short, intense seed laser pulse (λ(seed) = 400 nm) was generated by the cascaded FEL scheme at the transition between the modulator and radiator undulator sections. The superradiance of the ultrashort pulse is confirmed by detailed measurements of the resulting spectral structure, the intensity level of the produced harmonics, and the trend of the energy growth along the undulator. These results are compared to numerical particle simulations using the FEL code GENESIS 1.3 and show a satisfactory agreement.
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Affiliation(s)
- L Giannessi
- ENEA C.R. Frascati, Via E. Fermi, 45 00044 Frascati, Roma, Italy
| | - M Bellaveglia
- INFN-LNF, Via E. Fermi, 40 00044 Frascati, Roma, Italy
| | - E Chiadroni
- INFN-LNF, Via E. Fermi, 40 00044 Frascati, Roma, Italy
| | - A Cianchi
- INFN-Roma Tor Vergata and Università di Roma Tor Vergata, Via della Ricerca Scientifica, 1-00133 Rome, Italy
| | - M E Couprie
- SOLEIL, L'Orme des Merisiers Saint-Aubin, BP 48 91192 GIF-sur-Yvette, Cedex, France
| | - M Del Franco
- ENEA C.R. Frascati, Via E. Fermi, 45 00044 Frascati, Roma, Italy
| | - G Di Pirro
- INFN-LNF, Via E. Fermi, 40 00044 Frascati, Roma, Italy
| | - M Ferrario
- INFN-LNF, Via E. Fermi, 40 00044 Frascati, Roma, Italy
| | - G Gatti
- INFN-LNF, Via E. Fermi, 40 00044 Frascati, Roma, Italy
| | - M Labat
- ENEA C.R. Frascati, Via E. Fermi, 45 00044 Frascati, Roma, Italy and SOLEIL, L'Orme des Merisiers Saint-Aubin, BP 48 91192 GIF-sur-Yvette, Cedex, France
| | - G Marcus
- Department of Physics and Astronomy, Particle Beam Physics Laboratory, UCLA, Los Angeles, California 90095, USA
| | - A Mostacci
- Università La Sapienza, Piazzale Aldo Moro, 1 00185 Roma, Italy
| | - A Petralia
- ENEA C.R. Frascati, Via E. Fermi, 45 00044 Frascati, Roma, Italy
| | - V Petrillo
- Università degli Studi di Milano and INFN-Mi, Via Celoria, 16 20133 Milano, Italy
| | - M Quattromini
- ENEA C.R. Frascati, Via E. Fermi, 45 00044 Frascati, Roma, Italy
| | - J V Rau
- ISM-CNR Via del Fosso del Cavaliere, 100 00133 Roma, Italy
| | - S Spampinati
- Sincrotrone Trieste S.C.p.A., Area Science Park, S.S. 14 Km 163.5, I-34149 Trieste, Italy
| | - V Surrenti
- ENEA C.R. Frascati, Via E. Fermi, 45 00044 Frascati, Roma, Italy
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