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31.
V. A. Donchenko Al. A. Zemlyanov V. V. Kirienko M. N. Krasilov N. S. Panamarev 《Russian Physics Journal》2008,51(9):965-972
It is established that admixture of Ag, Al, Cu, Ni, Zn, and Fe
3
O
4
nanoparticles to a rhodamine 6G solution in ethanol with a concentration of 10−2 mol/L that fills a cell with a thickness of 600 μm results in a decrease in the superluminescence thresholds by no less than
50 folds.
Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 9, pp. 77–82, September, 2008. 相似文献
32.
We have observed the effect of a saturated nonlinearity on the process of spontaneous soliton formation in a weakly nonlinear medium with absorption. The characteristic properties of the problem are investigated on the basis of a model equation designated as a nonlinear Schrodinger equation with small perturbations describing the saturation of the nonlinearity and the absorption. The stability of the process of decay of the initial pulse is demonstrated by computational methods for a few specific cases. An effect described as an oscillation of the amplitude maximum of the formed pulse has been discovered.V. D. Kuznetsov Siberian Physicotechnical Institute, Tomsk University. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 73–76, June, 1995. 相似文献
33.
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Conditions for Gaussian sequences to converge to zero with unit probability are examined. A comparison theorem is proved, on the basis of which sufficient conditions are derived for the convergence to zero of Gaussian sequences, including, in particular, the previously known ones.Translated from Matematicheskie Zametki, Vol. 21, No. 4, pp. 531–538, April, 1977. 相似文献
36.
Zemlyanov A. A. Babushkin P. A. Golik S. S. Donchenko V. A. Zemlyanov Al. A. Maior A. Yu. Oshlakov V. K. Ryambov R. V. Trifonova A. V. 《Russian Physics Journal》2022,64(11):2151-2154
Russian Physics Journal - The paper presents the femtosecond laser filamentation, which splits the liquid spray into two jets. The dependence is suggested for the acoustic signal and the... 相似文献
37.
Results of our investigations of stimulated radiation in polydisperse aerosols and drops of dye solutions aimed at developing methods of Raman spectroscopy of aerosols and creating efficient laser sources and frequency converters on the basis of liquid microresonators are given in the present paper. 相似文献
38.
N. N. Bochkarev V. A. Donchenko A. A. Zemlyanov Al. A. Zemlyanov A. M. Kabanov D. V. Kartashev P. P. Kibitkin G. G. Matvienko A. N. Stepanov 《Russian Physics Journal》2005,48(4):344-348
Results of investigations into the spectral and power characteristics of two-photon fluorescence of a liquid drop with the Rhodamine 6G dye irradiated by femtosecond laser pulses are presented. It is demonstrated that stimulated emission of two types is realized in drops with the concentrated dye solution, namely, superfluorescence within the drop volume and lasing on whispering gallery modes.__________Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 15–19, April, 2005. 相似文献
39.
40.
Balandin S. F. Donchenko V. A. Myshkin V. F. Potekaev A. I. Khan V. A. Abramova E. S. 《Russian Physics Journal》2022,64(12):2319-2324
Russian Physics Journal - The physical processes occurring in the atmosphere, when weak ionization channels are formed by laser radiation, are discussed. An electromagnetic energy transmission... 相似文献