Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Andrei A Sychev"'
Autor:
Andrei A Sychev, V A Babenko
Publikováno v:
Quantum Electronics. 42:839-842
In exciting water possessing an enhanced optical strength by the radiation of a YAG : Nd3+ laser with 20-ps pulses, nonlinear scattering of light was detected in the frequency range of the optical second harmonic. A relationship was established of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::357dbf98e98c1491223b9f96962d31fe
https://doi.org/10.1070/qe2012v042n09abeh014783
https://doi.org/10.1070/qe2012v042n09abeh014783
Autor:
Andrei A Sychev, V A Babenko
Publikováno v:
Quantum Electronics. 39:938-942
The hyper-Raman scattering (HRS) of light in water is detected reliably by the active spectroscopy method of coherent light scattering, in particular, by the method of four-photon parametric light scattering in a medium in which HRS is a 'signal' wav
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aaa1d82a6599dc9d98a6362660715a41
https://doi.org/10.1070/qe2009v039n10abeh014096
https://doi.org/10.1070/qe2009v039n10abeh014096
Autor:
Andrei A Sychev, V A Babenko
Publikováno v:
Quantum Electronics. 26:403-406
Emission of 1.1–1.5 μm radiation from a superfluorescent laser with IR dyes in a polymer host was observed and investigated. The energy efficiency of conversion to the infrared radiation was ~3% for picosecond pumping with Nd:YAG laser radiation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45b5c0810ba94ed4912e0e7b7e520024
https://doi.org/10.1070/qe1996v026n05abeh000683
https://doi.org/10.1070/qe1996v026n05abeh000683
Autor:
V A Babenko, Andrei A Sychev
Publikováno v:
Quantum Electronics. 34:1121-1123
A method is proposed for recording two-photon excitation (TPE) spectra of organic compounds with the help of picosecond pulses from a dye laser tunable in the range from 550 to 640 nm. The TPE spectra are obtained for organic scintillators and drugs:
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dc2a0ad8d562592f1abd9a327e1f802
https://doi.org/10.1070/qe2004v034n12abeh002724
https://doi.org/10.1070/qe2004v034n12abeh002724
Autor:
V A Babenko, Andrei A Sychev
Publikováno v:
Quantum Electronics. 25:735-738
The fluorescence spectra were recorded in the range λ = 1.0–1.5 μm for a number of dyes embedded in solid-state matrices based on post-chlorinated polyvinyl chloride, and on cellulose diacetate and triacetate. The quantum efficiency of these dyes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::416186e884401dd176d5263c31d19e4f
https://doi.org/10.1070/qe1995v025n08abeh000456
https://doi.org/10.1070/qe1995v025n08abeh000456
Publikováno v:
Quantum Electronics. 23:1055-1057
We investigate the spectral characteristics of bulk fluorescence of organic and inorganic polycrystalline materials during two-photon picosecond excitation by a YAG laser.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f80d9240a06808a40f7024b09a0d3cd4
https://doi.org/10.1070/qe1993v023n12abeh003284
https://doi.org/10.1070/qe1993v023n12abeh003284
Autor:
I. I. Levkoev, Andrei A Sychev, V. I. Avdeeva, V A Babenko, M. A. Al'perovich, V. I. Malyshev, A N Shibanov
Publikováno v:
Soviet Journal of Quantum Electronics. 5:305-308
An investigation was made of the luminescence and absorption spectra of two pentacarbocyanine dyes used as passive switches in neodymium lasers. The results obtained indicated that the solutions contained two modifications or forms of the dye molecul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5617868e74475b36e31640bb558fbbda
https://doi.org/10.1070/qe1975v005n03abeh010997
https://doi.org/10.1070/qe1975v005n03abeh010997
Autor:
Andrei A Sychev, V A Babenko
Publikováno v:
Soviet Journal of Quantum Electronics. 17:1388-1391
Lasing tunable in the 1.41–1.65 μ range was achieved in a solution of a new infrared dye capable of forming excited molecular complexes under optical pumping. The energy and spectral characteristics of this exciplex dye laser pumped synchronously
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3eac39f43e999fd94514fe6e3606445c
https://doi.org/10.1070/qe1987v017n11abeh010860
https://doi.org/10.1070/qe1987v017n11abeh010860
Autor:
V. I. Malyshev, Yu L Slominskiĭ, M. A. Kudinova, Alexei I Tolmachev, Andrei A Sychev, V A Babenko
Publikováno v:
Soviet Journal of Quantum Electronics. 16:373-377
A report is given of the discovery of new infrared fluorescence bands observed on excitation of concentrated solutions of the two polymethine dyes which were the first to be synthesized. The conditions (concentration and nature of excitation) for the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::220cb9110d25428ab29ec3e1dff65e44
https://doi.org/10.1070/qe1986v016n03abeh006022
https://doi.org/10.1070/qe1986v016n03abeh006022
Publikováno v:
Soviet Journal of Quantum Electronics. 5:1044-1047
Observations and a detailed study were made of the Superluminescence of solutions of two polymethine dyes (used as passive switches) excited by neodymium laser pulses (λ = 1.06 μ) of nanosecond and picosecond duration. The conditions for exciting t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::103a958f5aebcbdd1fd85ef9991e75ca
https://doi.org/10.1070/qe1975v005n09abeh011889
https://doi.org/10.1070/qe1975v005n09abeh011889