Teacher Details

Asgekar, V.B.

Department of Physics

1)    Tanikawa, T., Karabekyan, S., Kovalev, S., Casalbuoni, S., Asgekar, V., Bonetti, S., Wall, S., Laarmann, T., Turchinovich, D., Zalden, P., Kampfrath, T (2020). Volt-per-Ångstrom terahertz fields from X-ray free-electron lasers. Journal of Synchrotron Radiation, 27 (3), 796-798. ISSN(print/online): 0909-0495/1600-5775, URL/DOI: http://dx.doi.org/10.1107/S1600577520004245
2)    Pan, R., Zapolnova, E., Golz, T., Krmpot, A.J., Rabasovic, M.D., Petrovic, J.c,, Asgekar, V., Faatz, B., Tavella, F., Perucchi, A., Kovalev, S., Green, B., Geloni, G., Tanikawa, T., Yurkov, M., Schneidmiller, E., Gensch, M.j., Stojanovic, N. (2019). Photon diagnostics at the FLASH THz beamline. Journal of Synchrotron Radiation, 26 (3), 700-707. Google Scholar Citations, ISSN(print/online): 0909-0495/1600-5775, URL/DOI: http://dx.doi.org/10.1107/S1600577519003412
3)    Tanikawa, T., Karabekyan, S., Kovalev, S., Casalbuoni, S., Asgekar, V., Serkez, S., Geloni, G., Gensch, M. (2019). A superradiant THz undulator source for XFELs. Journal of Instrumentation, 14 (5), P05024. ISSN(print/online): 1748-0221, URL/DOI: http://dx.doi.org/10.1088/1748-0221/14/05/P05024
4)    Green, B., Kovalev, S., Asgekar, V., Geloni, G., Lehnert, U., Golz, T., Kuntzsch, M., Bauer, C., Hauser, J., Voigtlaender, J., Wustmann, B. (2016). High-Field High-Repetition-Rate Sources for the Coherent THz Control of Matter. Scientific Reports, 6, 22256. Google Scholar Citations, ISSN(print/online): 2045-2322, URL/DOI: http://dx.doi.org/10.1038/srep22256
5)    Asgekar, V., Geloni, G., Kocharyan, V., Stojanovic, N., Michel, P., Gensch, M. (2014). Interference effects in super-radiant THz sources. Infrared Physics and Technology, 64, 26-32. Google Scholar Citations, ISSN(print/online): 1350-4495/1879-0275, URL/DOI: http://dx.doi.org/10.1016/j.infrared.2014.01.009
6)    Dattoli, G., Pagnutti, S., Ottaviani, P.L., Asgekar, V. (2012). Free electron laser oscillators with tapered undulators: Inclusion of harmonic generation and pulse propagation. Physical Review Accelerators and Beams, 15 (3), 030708. Google Scholar Citations, ISSN(print/online): 2469-9888, URL/DOI: http://dx.doi.org/10.1103/PhysRevSTAB.15.030708
  

Publications Before 2011


7)    Asgekar. V.B., Dattoli, G. (2007). Hybrid Free Electron Laser Devices. Journal of Physics D: Applied Physics, 101, 063111-063117. ISSN(print/online): 0022-3727/1361-6463, URL/DOI: http://dx.doi.org/10.1063/1.2709870
8)    Asgekar, V.B., Dattoli, G. (2005). Theory of Cerenkov Free Electron Lasers : An Analytical Treatment of Saturation . Optics Communications, 255, 309-313. Google Scholar Citations, ISSN(print/online): 0030-4018/1873-0310, URL/DOI: http://dx.doi.org/10.1016/j.optcom.2005.06.049
9)    Khodyachykh, S., Brunken, M., Genz, H., Hessler, C., Richter, A., Asgekar, V. (2004). Experimental and numerical study of short pulse effects in FELs. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 530 (3), 194-204. Google Scholar Citations, ISSN(print/online): 0168-9002/1872-9576, URL/DOI: http://dx.doi.org/10.1016/j.nima.2004.04.215
10)    Khodyachykh, S., Brunken, M., Genz, H., Gräf, H.D., Hessler, C., Richter, A., Wesp, T., Asgekar, V., Saldin, E., Schneidmiller, E., Yurkov, M. (2004). Observation of an FEL efficiency increase caused by magnetic field tapering of the undulator. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 530 (3), 205-216. ISSN(print/online): 0168-9002/1872-9576, URL/DOI: http://dx.doi.org/10.1016/j.nima.2004.04.225
11)    Asgekar, V., Berden, G., Brunken, M., Casper, L., Genz, H., Grigore, M., Heßler, C., Khodyachykh, S., Richter, A., Van Der Meer, A.F. (2003). Investigation of short pulse effects in IR FELs and new simulation results. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 507 (1-2), 224-227. ISSN(print/online): 0168-9002/1872-9576, URL/DOI: http://dx.doi.org/10.1016/S0168-9002(03)00877-5
12)    Asgekar, V.B., Dattoli, G. (2002). A comparison between high gain Cerenkov and undulator based FELs. Optics Communications, 206 (4-6), 373-377. Google Scholar Citations, ISSN(print/online): 0030-4018/1873-0310, URL/DOI: http://dx.doi.org/10.1016/S0030-4018(02)01411-6
13)    Doria, A., Asgekar, V.B., Esposito, D., Gallerano, G.P., Giovenale, E., Messina, G., Ronsivalle, C. (2001). Long wavelength compact-FEL with controlled energy-phase correlation. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 475, 296-302. Google Scholar Citations, ISSN(print/online): 0168-9002/1872-9576, URL/DOI: http://dx.doi.org/10.1016/S0168-9002(01)01617-5
14)    Doria., A. Gallerano., G.P. Giovenale, E. Messina, G. Asgekar, V.B., Doucas.,G., Kimmit.,M.F., Brownel, J.H. Walsh, J.E. (2001). Metal-Grating FEL Experiment at the ENEA Compact- FEL. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 475, 318-322. Google Scholar Citations, ISSN(print/online): 0168-9002/1872-9576, URL/DOI: http://dx.doi.org/10.1016/S0168-9002(01)01613-8
15)    Gore, B., Asgekar, V. (1998). Tapering the field amplitude of a uniform gap permanent magnet undulators. Japanese Journal of Applied Physics, 37 (6A), 3563-3569. ISSN(print/online): 0021-4922/1347-4065, URL/DOI: http://dx.doi.org/10.1143/JJAP.37.3563
16)    Gore, B.W., Asgekar, V.B., Sen, A. (1996). Enhanced efficiency of cerenkov free electron lasers using tapered dielectric layers. Physica Scripta, 53 (1), 62-68. Google Scholar Citations, ISSN(print/online): 0031-8949/1402-4896, URL/DOI: http://dx.doi.org/10.1088/0031-8949/53/1/012
17)    Gore, B.W., Asgekar, V.B. (1996). On the importance of magnetic periodicity in permanent magnet undulators. Review of Scientific Instruments, 67 (3), 649. ISSN(print/online): 0034-6748/1089-7623, URL/DOI: http://dx.doi.org/10.1063/1.1146647
18)    Asgekar, V.B., Bhalla, R.K., Raye, B.S., Bhiday, M.R., Bhoraskar, V.N. (1980). Single-cavity 8 MeV race-track microtron. Pramana: Journal of Physics, 15 (5), 479-193. Google Scholar Citations, ISSN(print/online): 0304-4289/0973-7111, URL/DOI: http://dx.doi.org/10.1007/BF02847886