Zobrazeno 1 - 10
of 27
pro vyhledávání: '"I. Geltner"'
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 38:779-787
We present a highly temporally and spatially resolved direct measurement of the propagation of ionization and recombination fronts in bulk ZnSe. The fronts were created by two-photon absorption (TPA) of 10 ps, 800 nm 'pump' pulses incident on both si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56917e4f7f68102f6d6e67e506de1b76
https://doi.org/10.1088/0953-4075/38/7/001
https://doi.org/10.1088/0953-4075/38/7/001
Publikováno v:
Journal of Applied Physics. 90:5778-5781
We have measured the dielectric properties and thickness of thin semiconductor epitaxy layers by the reflection of THz radiation from the surface of a two-layered semiconductor wafer. When reflecting from two interfaces the electromagnetic pulse has
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bcf75247f410235bd76c595ee7f2cf4d
https://doi.org/10.1063/1.1412574
https://doi.org/10.1063/1.1412574
Publikováno v:
Physics of Plasmas. 8:4174-4179
Periodic plasma density modulations have been observed in a laser spark created by focusing a 5–20 MW laser pulse into nitrogen at 1 to 2 atmospheres. The formation of such structures has been studied by measuring the period as a function of the wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c05c0648f63fbe67dbe49317e3ceece
https://doi.org/10.1063/1.1386429
https://doi.org/10.1063/1.1386429
Publikováno v:
Applied Physics Letters. 81:226-228
The frequency upshifting of 0.8 μm picosecond laser pulses was demonstrated using the temporal change of the free carrier density in a ZnSe semiconductor crystal. The crystal was ionized by transverse propagating ps pulses. Shifts of up to 1.6 nm we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71176a301f64ad6e921f5ac3690c325d
https://doi.org/10.1063/1.1491290
https://doi.org/10.1063/1.1491290
Publikováno v:
Physical review. E, Statistical, nonlinear, and soft matter physics. 66(4 Pt 2)
Experimental evidences of Raman amplification of ultrashort pulses in microcapillary plasmas are presented. The amplification of 100\char21{}500 fs pulses was investigated in microcapillaries with different lengths. The experimental data, together wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91b107a843cd8e7bb1ced985d8371073
https://pubmed.ncbi.nlm.nih.gov/12443324
https://pubmed.ncbi.nlm.nih.gov/12443324
Publikováno v:
AIP Conference Proceedings.
Raman amplification of ultrashort pulses is demonstrated in microcapillary plasmas. Experiments in very short microcapillaries (0.2 – 0.5 mm) with a broadband seed pulse show that the amplification factor is in agreement with the linear growth rate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68eafca77cefaf7c11316c7263d1f076
https://doi.org/10.1063/1.1521076
https://doi.org/10.1063/1.1521076
Publikováno v:
AIP Conference Proceedings.
We present results related to the search for optimum conditions for lasing to ground state of H‐like LiIII ions at 13.5 nm. These conditions are being considered from the point of view of the development of a prototype of a very compact 13.5 nm las
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47a181d8a6d75746aad9864020522fec
https://doi.org/10.1063/1.1521021
https://doi.org/10.1063/1.1521021
Publikováno v:
AIP Conference Proceedings.
The optimum conditions for gain generation for the transition to the ground state at 13.5 nm in Liiii ions were investigated in discharge created pre‐plasma. The spatial and temporal evolution of plasma density was measured and a hollow density pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4365d415ef29ee1cc66d26404571eb0f
https://doi.org/10.1063/1.1521019
https://doi.org/10.1063/1.1521019
Publikováno v:
Scopus-Elsevier
We present guiding measurements of 0.8-μm, 100-fs pulses through LiF microcapillaries using discharge plasma. We inspect the transmission at conditions fit for soft-x-ray lasing. While up to 45% transmission is observed for input intensities of 1×1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::55acb8f05887a9c458bc3a7eec87734b
https://doi.org/10.1364/josab.20.000616
https://doi.org/10.1364/josab.20.000616
Publikováno v:
Scopus-Elsevier
We experimentally demonstrated amplification of ultrashort laser pulses (200 fs pulses) in microcapillary plasmas by a counterpropagating pumping beam. Energy amplification as large as a factor of 5 was observed. Importantly, a nonlinear pump depleti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::207b7cb249574ecc8e514dd508e1801a
http://www.scopus.com/inward/record.url?eid=2-s2.0-0034297705&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-0034297705&partnerID=MN8TOARS
