Zobrazeno 1 - 10
of 243
pro vyhledávání: '"V Chvykov"'
Autor:
A E Hussein, J Ludwig, K Behm, Y Horovitz, P-E Masson-Laborde, V Chvykov, A Maksimchuk, T Matsuoka, C McGuffey, V Yanovsky, W Rozmus, K Krushelnick
Publikováno v:
New Journal of Physics, Vol 20, Iss 7, p 073039 (2018)
Experiments were performed using the HERCULES laser system at the University of Michigan to study backward stimulated Raman scattering (BSRS) from a laser wakefield accelerator driven with a 30 fs pulse. 'The spectrum of backscattered light was found
Externí odkaz:
https://doaj.org/article/ea13a949dd274c2e978f23a5ac4e64b1
Autor:
F Dollar, C Zulick, A Raymond, V Chvykov, L Willingale, V Yanovsky, A Maksimchuk, A G R Thomas, K Krushelnick
Publikováno v:
New Journal of Physics, Vol 19, Iss 6, p 063014 (2017)
The reflectivity of a short-pulse laser at intensities of $2\times {10}^{21}\,{\mathrm{Wcm}}^{-2}$ with ultra-high contrast ( ${10}^{-15}$ ) on sub-micrometer silicon nitride foils was studied experimentally using varying polarizations and target thi
Externí odkaz:
https://doaj.org/article/016417e502254dd3a804aeb11c93e3c1
Autor:
C Zulick, A Raymond, A McKelvey, V Chvykov, A Maksimchuk, A G R Thomas, L Willingale, V Yanovsky, K Krushelnick
Publikováno v:
New Journal of Physics, Vol 18, Iss 6, p 063020 (2016)
Reduced surface area targets were studied using an ultra-high intensity femtosecond laser in order to determine the effect of electron sheath field confinement on electron dynamics. X-ray emission due to energetic electrons was imaged using a ${K}_{\
Externí odkaz:
https://doaj.org/article/c0f3440f6bcd4433ba3209a4a3c5a133
Autor:
Anatolii V Masalov, V. V. Chvykov
Publikováno v:
Quantum Electronics. 50:231-236
We have calculated the effect of four-wave mixing of the main radiation pulse with the background radiation components on the value of the output radiation contrast in a chirped pulse amplification system of petawatt laser facilities. Formulae are pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f3e16bf17a62244aa750a9911073477
https://doi.org/10.1070/qel17270
https://doi.org/10.1070/qel17270
Autor:
S. Kneip, C. McGuffey, J. L. Martins, M. S. Bloom, V. Chvykov, F. Dollar, R. Fonseca, S. Jolly, G. Kalintchenko, K. Krushelnick, A. Maksimchuk, S. P. D. Mangles, Z. Najmudin, C. A. J. Palmer, K. Ta Phuoc, W. Schumaker, L. O. Silva, J. Vieira, V. Yanovsky, A. G. R. Thomas
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 15, Iss 2, p 021302 (2012)
We propose and use a technique to measure the transverse emittance of a laser-wakefield accelerated beam of relativistic electrons. The technique is based on the simultaneous measurements of the electron beam divergence given by v_{⊥}/v_{∥}, the
Externí odkaz:
https://doaj.org/article/a00298ae262f406db0f6960d9d5b87e1
Publikováno v:
Conference on Lasers and Electro-Optics.
Ti:Sapphire thin disc is suitable for ultrafast lasers of kWs average power, Js pulse energy. Simulations show the changing geometry of direct CW diodes pumped amplifiers from TD to slab can improve efficiency and heating extraction.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d3947de18fdbdc9157e9f1d1dbfee7a
https://doi.org/10.1364/cleo_at.2018.jf2c.2
https://doi.org/10.1364/cleo_at.2018.jf2c.2
Autor:
V. Chvykov, K. Zemskov
Publikováno v:
Laser Congress 2018 (ASSL).
Experiments of the electrical field impact on Ti: Sapphire crystal optical parameters are reported. Luminescence spectral amplitude reduction and bandwidth increase with the red-shift of the maximal amplitude after high voltage application are demons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0161e4787b8eb792757e93d695321dce
https://doi.org/10.1364/assl.2018.am4a.4
https://doi.org/10.1364/assl.2018.am4a.4
Publikováno v:
Laser Physics Letters. 15:125002
The polarization of a laser crystal by an external electrical field generates new possibilities for the wide control of laser parameters, and can expand applications for existing lasers and also create a new line of the laser devices. The direct impa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2ee3f7396ec4c035c57f3bceb9cf8f9
https://doi.org/10.1088/1612-202x/aae4a7
https://doi.org/10.1088/1612-202x/aae4a7
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