Zobrazeno 1 - 10
of 307
pro vyhledávání: '"Marangos, J P"'
Autor:
Carpeggiani, A., Bodi, B., Skantzakis, E. S., Tisch, J. W. G., Marangos, J. P., Charalambidis, D., Tzallas, P., Zair, A.
We measure for the first time the duration of long-quantum path EUV high harmonics produced in xenon gas. The long-quantum path contribution to the high-harmonic signal was carefully controlled by employing a two-colour driving laser field and a high
Externí odkaz:
http://arxiv.org/abs/2106.11259
Autor:
Barillot, T., Alexander, O., Cooper, B., Driver, T., Garratt, D., Li, S., Haddad, A. Al, Sanchez-Gonzalez, A., Agåker, M., Arrell, C., Bearpark, M., Berrah, N., Bostedt, C., Bozek, J., Brahms, C., Bucksbaum, P. H., Clark, A., Doumy, G., Feifel, R., Frasinski, L. J., Jarosch, S., Johnson, A. S., Kjellsson, L., Kolorenč, P., Kumagai, Y., Larsen, E. W., Matia-Hernando, P., Robb, M., Rubensson, J. -E., Ruberti, M., Sathe, C., Squibb, R. J., Tan, A., Tisch, J. W. G., Vacher, M., Walke, D. J., Wolf, T. J. A., Wood, D., Zhaunerchyk, V., Walter, P., Osipov, T., Marinelli, A., Maxwell, T., Coffee, R., Lutman, A. A., Averbukh, V., Ueda, K., Cryan, J. P., Marangos, J. P.
Publikováno v:
Phys. Rev. X 11, 031048 (2021)
The possibility of suddenly ionized molecules undergoing extremely fast electron hole dynamics prior to significant structural change was first recognized more than 20 years ago and termed charge migration. The accurate probing of ultrafast electron
Externí odkaz:
http://arxiv.org/abs/2105.06507
Autor:
Sanchez-Gonzalez, A., Micaelli, P., Olivier, C., Barillot, T. R., Ilchen, M., Lutman, A. A., Marinelli, A., Maxwell, T., Achner, A., Agåker, M., Berrah, N., Bostedt, C., Buck, J., Bucksbaum, P. H., Montero, S. Carron, Cooper, B., Cryan, J. P., Dong, M., Feifel, R., Frasinski, L. J., Fukuzawa, H., Galler, A., Hartmann, G., Hartmann, N., Helml, W., Johnson, A. S., Knie, A., Lindahl, A. O., Liu, J., Motomura, K., Mucke, M., O'Grady, C., Rubensson, J-E., Simpson, E. R., Squibb, R. J., Såthe, C., Ueda, K., Vacher, M., Walke, D. J., Zhaunerchyk, V., Coffee, R. N., Marangos, J. P.
Publikováno v:
Nature Communications 8, 15461 (2017)
X-ray free-electron lasers (XFELs) are the only sources currently able to produce bright few-fs pulses with tunable photon energies from 100 eV to more than 10 keV. Due to the stochastic SASE operating principles and other technical issues the output
Externí odkaz:
http://arxiv.org/abs/1610.03378
Autor:
Ciappina, M. F., Pérez-Hernández, J. A., Landsman, A. S., Okell, W., Zherebtsov, S., Förg, B., Schötz, J., Seiffert, J. L., Fennel, T., Shaaran, T., Zimmermann, T., Chacón, A., Guichard, R., Zaïr, A., Tisch, J. W. G., Marangos, J. P., Witting, T., Braun, A., Maier, S. A., Roso, L., Krüger, M., Hommelhoff, P., Kling, M. F., Krausz, F., Lewenstein, M.
Recently two emerging areas of research, attosecond and nanoscale physics, have started to come together. Attosecond physics deals with phenomena occurring when ultrashort laser pulses, with duration on the femto- and sub-femtosecond time scales, int
Externí odkaz:
http://arxiv.org/abs/1607.01480
Autor:
Witting, T., Austin, D. R., Barilot, T., Greening, D., Matia-Hernando, P., Walke, D., Marangos, J. P., Tisch, J. W. G.
We report on the characterization of space-time couplings in high energy sub-2-cycle 770nm laser pulses using a self-referencing single-shot method. Using spatially-encoded arrangement filter-based spectral phase interferometry for direct electric fi
Externí odkaz:
http://arxiv.org/abs/1602.08621
Autor:
Simpson, E. R., Sanchez-Gonzalez, A., Austin, D. R., Diveki, Z., Hutchinson, S. E. E., Siegel, T., Ruberti, M., Averbukh, V., Miseikis, L., Strüber, C., Chipperfield, L., Marangos, J. P.
We present transient absorption spectra of an extreme ultraviolet attosecond pulse train in helium dressed by an 800 nm laser field with intensity ranging from $2\times10^{12}$ W/cm$^2$ to $2\times10^{14}$ W/cm$^2$. The energy range probed spans 16-4
Externí odkaz:
http://arxiv.org/abs/1512.07652
Autor:
Das, T., Augstein, B. B., Faria, C. Figueira de Morisson, Chipperfield, L. E., Hoffmann, D. J., Marangos, J. P.
Publikováno v:
Phys. Rev. A 92, 023406 (2015)
We investigate high-order harmonic spectra from aligned diatomic molecules in intense driving fields whose components have orthogonal polarizations. We focus on how the driving-field ellipticity influences structural interference patterns in a macros
Externí odkaz:
http://arxiv.org/abs/1506.04718
Autor:
Okell, W. A., Witting, T., Fabris, D., Arrell, C. A., Hengster, J., Ibrahimkutty, S., Seiler, A., Barthelmess, M., Stankov, S., Lei, D. Y., Sonnefraud, Y., Rahmani, M., Uphues, Th., Maier, S. A., Marangos, J. P., Tisch, J. W. G.
Attosecond streaking of photoelectrons emitted by extreme ultraviolet light has begun to reveal how electrons behave during their transport within simple crystalline solids. Many sample types within nanoplasmonics, thin-film physics, and semiconducto
Externí odkaz:
http://arxiv.org/abs/1410.5613
Autor:
Marangos, J. P.
Publikováno v:
Philosophical Transactions: Mathematical, Physical and Engineering Sciences, 2019 May . 377(2145), 1-9.
Externí odkaz:
https://www.jstor.org/stable/26644727
Simultaneous VUV and XUV pulse generation and characterization for attosecond pump probe experiments
We report the generation and characterization of isolated attosecond XUV and VUV pulses generated simultaneously via HHG driven by few-cycle pulses using an in-line dual gas target system. One gas jet target was operated with Kr gas that optimized HH
Externí odkaz:
http://arxiv.org/abs/1311.4738