Demonstration of The Brightest Nano-size Gamma Source

Autor: Pirozhkov, A. S., Sagisaka, A., Ogura, K., Vishnyakov, E. A., Shatokhin, A. N., Armstrong, C. D., Esirkepov, T. Zh., Izquierdo, B. Gonzalez, Pikuz, T. A., Hadjisolomou, P., Alkhimova, M. A., Arran, C., Tsygvintsev, I. P., Valenta, P., Pikuz, S. A., Yan, W., Jeong, T. M., Singh, S., Finke, O., Grittani, G., Nevrkla, M., Lazzarini, C., Velyhan, A., Hayakawa, T., Fukuda, Y., Koga, J. K., Ishino, M., Kondo, Ko., Miyasaka, Y., Kon, A., Nishikino, M., Nosach, Y. V., Khikhlukha, D., Kolesnikov, A. O., Ragozin, E. N., Gasilov, V. A., Kumar, D., Nejdl, J., Sasorov, P. V., Weber, S., Margarone, D., Kato, Y., Korn, G., Kiriyama, H., Kondo, K., Ridgers, C., Kawachi, T., Kando, M., Bulanov, S. V.

Gamma rays consist of high-energy photons that selectively interact with nuclei, induce and mediate nuclear reactions and elementary particle interactions, and exceed x-rays in penetrating power and thus are indispensable for analysis and modificatio

Externí odkaz: http://arxiv.org/abs/2410.06537

Phase-matched high-order harmonic generation in pre-ionized noble gases

Autor: Finke, O., Vábek, J., Nevrkla, M., Bobrova, N., Hort, O., Jurkovič, M., Albrecht, M., Jančárek, A., Catoire, F., Skupin, S., Nejdl, J.

One of the main difficulties to efficiently generating high-order harmonics in long neutral-gas targets is to reach the phase-matching conditions. One issue is that the medium cannot be sufficiently ionized by the driving laser due to plasma defocusi

Externí odkaz: http://arxiv.org/abs/2202.04491

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Absorption-limited XUV generation in noble gases

Autor: Finke, O, Vabek, J., Nevrkla, M, Bobrova, N, Hort, O., Jurkovič, M, Albrecht, M., Jančárek, A, Nejdl, J, Catoire, Fabrice, Skupin, Stefan

Publikováno v: COFIL 2022-8th International Conference on Laser Filamentation
COFIL 2022-8th International Conference on Laser Filamentation, Jul 2022, Chania, Greece

International audience; We demonstrate absorption-limited high-order harmonic generation by an 800 nm femtosecond laser in argon and krypton. Phase-matching is achieved by pre-ionizing the gas using a weak capillary discharge.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3515::8728d343ea5f775cdd38bc15cb86146b
https://hal.science/hal-03771681/file/HHG_Skupin.pdf

Phase-matched high-order harmonic generation in pre-ionized noble gases

Autor: Finke, O, Vábek, J, Nevrkla, M, Bobrova, N, Hort, O, Jurkovič, M, Albrecht, M, Jančárek, A, Catoire, F, Skupin, Stefan, Nejdl, J

Publikováno v: Scientific Reports
Scientific Reports, 2022, 12, pp.7715. ⟨10.1038/s41598-022-11313-6⟩

One of the main difficulties to efficiently generating high-order harmonics in long neutral-gas targets is to reach the phase-matching conditions. One issue is that the medium cannot be sufficiently ionized by the driving laser due to plasma defocusi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d73cd3af8629c754a496463676440e9