Zobrazeno 1 - 10
of 634
pro vyhledávání: '"Kapteyn, H."'
Autor:
Bartels, R., Backus, S., Zeek, E., Misoguti, L., Vdovin, G., Christov, I. P., Murnane, M. M., Kapteyn, H. C.
Publikováno v:
Nature 406(6792), 164-166 (2000)
High-harmonic generation is one of the most extreme nonlinear-optical processes observed to date. By focusing an intense laser pulse into a gas, the light-atom interaction that occurs during the process of ionising the atoms results in the generation
Externí odkaz:
http://arxiv.org/abs/2404.01324
Autor:
Slaughter, D. S., Sturm, F. P., Bello, R. Y., Larsen, K. A., Shivaram, N., McCurdy, C. W., Lucchese, R. R., Martin, L., Hogle, C. W., Murnane, M. M., Kapteyn, H. C., Ranitovic, P., Weber, Th.
Publikováno v:
Phys. Rev. Research 3, 033191 (2021)
D$_2$ molecules, excited by linearly cross-polarized femtosecond extreme ultraviolet (XUV) and near-infrared (NIR) light pulses, reveal highly structured D$^+$ ion fragment momenta and angular distributions that originate from two different 4-step di
Externí odkaz:
http://arxiv.org/abs/2106.09014
Autor:
Knut, R., Delczeg-Czirjak, E. K., Jana, S., Shaw, J. M., Nembach, H. T., Kvashnin, Y., Stefaniuk, R., Malik, R. S., Grychtol, P., Zusin, D., Gentry, C., Chimata, R., Pereiro, M., Söderström, J., Turgut, E., Ahlberg, M., Åkerman, J., Kapteyn, H. C., Murnane, M. M., Arena, D. A., Eriksson, O., Karis, O., Silva, T. J.
Ni$_{0.8}$Fe$_{0.2}$ (Py) and Py alloyed with Cu exhibit intriguing ultrafast demagnetization behavior, where the Ni magnetic moment shows a delayed response relative to the Fe, an effect which is strongly enhanced by Cu alloying. We have studied a b
Externí odkaz:
http://arxiv.org/abs/1810.10994
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Generation of Bright Isolated Attosecond Soft X-Ray Pulses Driven by Multi-Cycle Mid-Infrared Lasers
Autor:
Chen, M. -C., Hernández-García, C., Mancuso, C., Dollar, F., Galloway, B., Popmintchev, D., Huang, P. -C., Walker, B., Plaja, L., Jaron-Becker, A., Becker, A., Popmintchev, T., Murnane, M. M., Kapteyn, H. C.
High harmonic generation driven by femtosecond lasers makes it possible to capture the fastest dynamics in molecules and materials. However, to date the shortest attosecond (as) pulses have been produced only in the extreme ultraviolet (EUV) region o
Externí odkaz:
http://arxiv.org/abs/1401.0240
Autor:
Ranitovic, P., Hogle, C. W., Riviere, P., Palacios, A, Tong, X. M., Toshima, N., Gonzalez-Castrillo, A., Martin, L., Martin, F., Murnane, M. M., Kapteyn, H. C.
High harmonic light sources make it possible to access attosecond time-scales, thus opening up the prospect of manipulating electronic wave packets for steering molecular dynamics. However, two decades after the birth of attosecond physics, the conce
Externí odkaz:
http://arxiv.org/abs/1401.0021
Autor:
Yang, L. X., Rohde, G., Rohwer, T., Stange, A., Hanff, K., Sohrt, C., Rettig, L., Cortés, R., Chen, F., Feng, D. L., Wolf, T., Kamble, B., Eremin, I., Popmintchev, T., Murnane, M. M., Kapteyn, H. C., Kipp, L., Fink, J., Bauer, M., Bovensiepen, U., Rossnagel, K.
Time- and angle-resolved extreme ultraviolet photoemission spectroscopy is used to study the electronic structure dynamics in BaFe$_2$As$_2$ around the high-symmetry points $\Gamma$ and $M$. A global oscillation of the Fermi level at the frequency of
Externí odkaz:
http://arxiv.org/abs/1312.6025
Publikováno v:
Phys. Rev. A 83, 013414 (2011)
We analyze two-center interference effects in the yields of ionization of a dissociating hydrogen molecular ion by an ultrashort VUV laser pulse. To this end, we performed numerical simulations of the time-dependent Schr\"odinger equation for a H$_2^
Externí odkaz:
http://arxiv.org/abs/1102.1043
Autor:
Chen, M. C., Arpin, P., Popmintchev, T., Gerrity, M., Zhang, B., Seaberg, M., Murnane, M. M., Kapteyn, H. C.
We demonstrate fully phase matched high-order harmonic generation with emission spanning the water window spectral region important for bio- and nano-imaging and a breadth of materials and molecular dynamics studies. We also generate the broadest bri
Externí odkaz:
http://arxiv.org/abs/1006.3942
Autor:
Koralek, J. D., Douglas, J. F., Plumb, N. C., Griffith, J. D., Cundiff, S. T., Kapteyn, H. C., Murnane, M. M., Dessau, D. S.
Publikováno v:
REVIEW OF SCIENTIFIC INSTRUMENTS 78, 053905 (2007)
A laser-based angle resolved photoemission (APRES) system utilizing 6 eV photons from the fourth harmonic of a mode-locked Ti:sapphire oscillator is described. This light source greatly increases the momentum resolution and photoelectron count rate,
Externí odkaz:
http://arxiv.org/abs/0706.1060