baldassarri baronchelli barrat caglioti castellano cattuto complexity dattoli evolutionary_dynamics granular_media granular_media herrmann information_theory innovation_dynamics kreyon language_dynamics loreto mari mukherjee petri pietronero puglisi quantum_optics self_organization servedio statistical_physics techno_social_systems tria zapperi zippers
1992 |
Dattoli, Giuseppe; Cabrini, Stefano; Giannessi, Luca; Loreto, Vittorio Exact treatment of spontaneous emission in helical and solenoidal magnetic field Journal Article NUOVO CIMENTO DELLA SOCIETÀ ITALIANA DI FISICA. D CONDENSED MATTER, ATOMIC, MOLECULAR AND CHEMICAL PHYSICS, BIOPHYSICS, 14D , pp. 719–727, 1992. Abstract | Links | BibTeX | Tags: cabrini, dattoli, giannessi, loreto, quantum_optics @article{b, title = {Exact treatment of spontaneous emission in helical and solenoidal magnetic field}, author = {Giuseppe Dattoli and Stefano Cabrini and Luca Giannessi and Vittorio Loreto}, url = {http://www.springerlink.com/content/6721v8246070j327/ http://www.scopus.com/inward/record.url?eid=2-s2.0-51249166997&partnerID=65&md5=9c29969a031a9ce6d5973430113711d9 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=A1992JN19500005&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a}, year = {1992}, date = {1992-01-01}, journal = {NUOVO CIMENTO DELLA SOCIETÀ ITALIANA DI FISICA. D CONDENSED MATTER, ATOMIC, MOLECULAR AND CHEMICAL PHYSICS, BIOPHYSICS}, volume = {14D}, pages = {719--727}, publisher = {EDITRICE COMPOSITORI BOLOGNA}, abstract = {In this paper we discuss the spectral properties of the radiation emitted by electrons moving in helical undulators and solenoids. The analysis is exact, in the sense that the electron beam is not assumed to be ultrarelativistic but the far-field condition is still retained. We also discuss the low-energy corrections, the limits of validity of the usual approximations and the relevance of our results to gyrotron-type devices.}, keywords = {cabrini, dattoli, giannessi, loreto, quantum_optics}, pubstate = {published}, tppubtype = {article} } In this paper we discuss the spectral properties of the radiation emitted by electrons moving in helical undulators and solenoids. The analysis is exact, in the sense that the electron beam is not assumed to be ultrarelativistic but the far-field condition is still retained. We also discuss the low-energy corrections, the limits of validity of the usual approximations and the relevance of our results to gyrotron-type devices. |
Dattoli, Giuseppe; Giannessi, Luca; Cabrini, Stefano; Loreto, Vittorio Gain saturation in bunched free electrons lasers Journal Article PHYSICAL REVIEW A, 45 , pp. 8842–8845, 1992. Abstract | Links | BibTeX | Tags: cabrini, dattoli, giannessi, loreto, mari, quantum_optics @article{b, title = {Gain saturation in bunched free electrons lasers}, author = {Giuseppe Dattoli and Luca Giannessi and Stefano Cabrini and Vittorio Loreto}, url = {http://link.aps.org/doi/10.1103/PhysRevA.45.8842, http://www.scopus.com/inward/record.url?eid=2-s2.0-0008760169&partnerID=65&md5=2da9957ef0ea338cb9c72159a32160a3 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=A1992JA21400064&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a}, year = {1992}, date = {1992-01-01}, journal = {PHYSICAL REVIEW A}, volume = {45}, pages = {8842--8845}, publisher = {AMERICAN PHYSICAL SOC}, abstract = {We propose a model of gain saturation in free-electron lasers operating with a bunched electron beam. A simple method to evaluate the steady-state intensity as a function of the optical cavity length is given and the result is in close agreement with the intensity measured in the Los Alamos free-electron-laser experiment [B. E. Newnam et al., Nucl. Instrum. Methods A 237, 187 (1985)].}, keywords = {cabrini, dattoli, giannessi, loreto, mari, quantum_optics}, pubstate = {published}, tppubtype = {article} } We propose a model of gain saturation in free-electron lasers operating with a bunched electron beam. A simple method to evaluate the steady-state intensity as a function of the optical cavity length is given and the result is in close agreement with the intensity measured in the Los Alamos free-electron-laser experiment [B. E. Newnam et al., Nucl. Instrum. Methods A 237, 187 (1985)]. |
Dattoli, Giuseppe; Cabrini, Stefano; Giannessi, Luca; Loreto, Vittorio; Mari, Carlo Gain saturation in free-electron lasers Journal Article NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT, 318 , pp. 495–499, 1992. Abstract | Links | BibTeX | Tags: cabrini, dattoli, giannessi, loreto, mari, quantum_optics @article{b, title = {Gain saturation in free-electron lasers}, author = {Giuseppe Dattoli and Stefano Cabrini and Luca Giannessi and Vittorio Loreto and Carlo Mari}, url = {http://www.sciencedirect.com/science/article/pii/016890029291105I http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=A1992JD76700094&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a}, year = {1992}, date = {1992-01-01}, journal = {NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT}, volume = {318}, pages = {495--499}, publisher = {ELSEVIER SCIENCE, AMSTERDAM}, abstract = {We propose a model of gain saturation in a free-electron laser, drawing a parallel with the dynamics of saturation in a conventional laser. The results achieved are then extended phenomenologically to bunched-beam operations and the results has been compared to that measured in the experiments at Los Alamos.}, keywords = {cabrini, dattoli, giannessi, loreto, mari, quantum_optics}, pubstate = {published}, tppubtype = {article} } We propose a model of gain saturation in a free-electron laser, drawing a parallel with the dynamics of saturation in a conventional laser. The results achieved are then extended phenomenologically to bunched-beam operations and the results has been compared to that measured in the experiments at Los Alamos. |
1991 |
Dattoli, Giuseppe; Giannessi, Luca; Loreto, Vittorio; Mari, Carlo Cavity lenght adjustment and output FEL intensity optimization Journal Article IEEE JOURNAL OF QUANTUM ELECTRONICS, 27 , pp. 2370–2372, 1991. Abstract | Links | BibTeX | Tags: dattoli, giannessi, loreto, mari, quantum_optics @article{b, title = {Cavity lenght adjustment and output FEL intensity optimization}, author = {Giuseppe Dattoli and Luca Giannessi and Vittorio Loreto and Carlo Mari}, url = {http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=100874 http://www.scopus.com/inward/record.url?eid=2-s2.0-0026258699&partnerID=65&md5=550a698360dc171a27534fcac1e9f659 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=A1991GN87900001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=0c7ff228ccbaaa74236f48834a34396a}, year = {1991}, date = {1991-01-01}, journal = {IEEE JOURNAL OF QUANTUM ELECTRONICS}, volume = {27}, pages = {2370--2372}, abstract = {The authors reconsider in more quantitative detail the possibility of enhancing the output intensity of a free electron laser (FEL) oscillator operating with bunched electron beam and finite macropulse duration, adjusting the cavity length while the signal grows. In a forthcoming publication G. Dattoli et al. point out that the output power can be enhanced by moving the cavity mirrors while the intercavity signal grows in such a way that the system is operating at the value of the cavity length providing the maximum gain. Practical solutions to realize the mirror movements will also be discussed. The authors complete the analysis to be published by presenting simple formulas which allow a straightforward evaluation of the power enhancement.}, keywords = {dattoli, giannessi, loreto, mari, quantum_optics}, pubstate = {published}, tppubtype = {article} } The authors reconsider in more quantitative detail the possibility of enhancing the output intensity of a free electron laser (FEL) oscillator operating with bunched electron beam and finite macropulse duration, adjusting the cavity length while the signal grows. In a forthcoming publication G. Dattoli et al. point out that the output power can be enhanced by moving the cavity mirrors while the intercavity signal grows in such a way that the system is operating at the value of the cavity length providing the maximum gain. Practical solutions to realize the mirror movements will also be discussed. The authors complete the analysis to be published by presenting simple formulas which allow a straightforward evaluation of the power enhancement. |
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