Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Rimantas Grigonis"'
Autor:
Ieva Pipinytė, Julius Vengelis, Vygandas Jarutis, Mikas Vengris, Rimantas Grigonis, Valdas Sirutkaitis
Publikováno v:
Results in Physics, Vol 17, Iss , Pp 103064- (2020)
A synchronously pumped optical parametric oscillator based on periodically poled potassium titanyl phosphate (PPKTP) crystal delivering femtosecond nanojoule energy pulses in the 1.45 μm–1.8 μm spectral range is used as pump source for continuum
Externí odkaz:
https://doaj.org/article/272eca9fce05469ba915b0b8cd764228
Publikováno v:
Lithuanian Journal of Physics. 62
We report an experimental realization of a subnanosecond optical parametric amplifier (OPA) system in a beta barium borate (BBO) crystal pumped by the third harmonic of a passively Q-switched Nd:YAG microlaser system and seeded by the continuum gener
Investigation of piezoelectric ringing effects in Pockels cells based on beta barium borate crystals
Autor:
Giedrius Sinkevicius, Valdas Sirutkaitis, Justinas Domarkas, Laimonas Masiulis, Jonas Banys, Rimantas Grigonis, Julius Vengelis
Publikováno v:
Applied optics. 58(33)
A detailed investigation of piezoelectric ringing and resonance effects in beta barium borate (BBO)-crystal-based Pockels cells in a pulse picker device is presented. Measurements mapping piezoelectric oscillation amplitude distribution in the apertu
Autor:
Valdas Sirutkaitis, Julius Vengelis, Miglė Kuliešaitė, Rimantas Grigonis, Vygandas Jarutis, Ieva Pipinytė, Adomas Tumas, Viktorija Tamulienė
Publikováno v:
Optics Communications. 410:774-781
We present experimental data and numerical simulation results obtained during investigation of synchronously pumped optical parametric oscillator (SPOPO) pumped by femtosecond Yb:KGW laser (central wavelength at 1033 nm). The nonlinear medium for par
Publikováno v:
Journal of the Optical Society of America B, Washington : Optical Society of Americ, 2019, vol. 36, no. 10, p. 2735-2743
We present detailed experimental data and numerical simulation results obtained during the investigation of temporal characteristics of synchronously pumped optical parametric oscillator (SPOPO) based on a periodically poled potassium titanyl phospha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53675cb9797aa7c172c310c334bdd8af
https://repository.vu.lt/VU:ELABAPDB40940744&prefLang=en_US
https://repository.vu.lt/VU:ELABAPDB40940744&prefLang=en_US
Autor:
Kõu Timpmann, Ivo Romet, Mikas Vengris, László Kovács, Sebastian Vielhauer, Vitali Nagirnyi, Krisztián Lengyel, Rimantas Grigonis, Gábor Corradi, R. Butkus, Éva Tichy-Rács, Valdas Sirutkaitis, Valter Kiisk, Laurits Puust, Ilmo Sildos
Publikováno v:
Journal of Luminescence. 230:117732
Cooperative luminescence (CL) of Yb3+ pairs was investigated in Yb-doped Li6Y(BO3)3 crystals. It was reliably distinguished from other types of up-conversion luminescence related to the energy transfer from Yb3+ ions to other rare-earth ions unintent
Autor:
Julius Vengelis, Vygandas Jarutis, Mikas Vengris, Ieva Pipinytė, Rimantas Grigonis, Valdas Sirutkaitis
Publikováno v:
Results in physics, Amsterdam : Elsevier, 2020, vol. 17, art. no.103064, p. [1-9]
Results in Physics, Vol 17, Iss, Pp 103064-(2020)
Results in Physics, Vol 17, Iss, Pp 103064-(2020)
A synchronously pumped optical parametric oscillator based on periodically poled potassium titanyl phosphate (PPKTP) crystal delivering femtosecond nanojoule energy pulses in the 1.45 μm–1.8 μm spectral range is used as pump source for continuum
Investigation of piezoelectric ringing effects in deuterated potassium dihydrogen phosphate crystals
Autor:
Julius Vengelis, Laimonas Masiulis, Justinas Domarkas, Rimantas Grigonis, Giedrius Sinkevicius, Algirdas Baskys, Valdas Sirutkaitis, Jonas Banys
Publikováno v:
Optical Engineering. 59:1
The piezoelectric ringing phenomenon for the Pockels cell with DKDP crystal is analyzed. The dependencies of contrast ratio of Pockels cell with the DKDP crystal on high-voltage pulse duration in the range from 100 ns up to 5 μs and on the pulse fre
Autor:
Mantas Sirutavicius, Rimantas Grigonis, Valdas Sirutkaitis, Ieva Pipinyte, Viktorija Tamuliene, Julius Vengelis
Publikováno v:
Optical engineering, Bellingham, WA : SPIE, 2020, vol. 59, no. 1, art.no. 016102, p. [1-10]
An R-on-1 laser-induced damage-threshold (LIDT) testing method was applied to test coated and uncoated magnesium oxide-doped periodically poled lithium niobate samples pumped by femtosecond Yb:KGW laser pulses at kilohertz and megahertz pulse repetit
Autor:
R Butkus, Rimantas Grigonis, Ihar Babushkin, Virgilijus Vaičaitis, Martin Kretschmar, Uwe Morgner
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics
Spectral and spatial properties of infrared femtosecond laser pulses with a wavelength between 1.2 and 1.6 μm propagating in air are investigated both, experimentally and theoretically. It is shown that under tight focusing conditions laser pulses e