Zobrazeno 1 - 10
of 77
pro vyhledávání: '"G.D. Ivanova"'
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 11, Pp 590-595 (2019)
The light-induced concentration lens in a transparent dispersive medium at high radiation intensity was analyzed taking into account the interaction (repulsion) of nanoparticles. It is shown that the dependence of the light-lens response versus the i
Externí odkaz:
https://doaj.org/article/0eb8bd3b3612480daf349fd360b4561e
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 10, Pp 286-290 (2018)
A model of sedimentation of nanoparticles in a uniform light field is considered as an alternative to methods of precipitation in a gravitational field and centrifugation. The exact analytical solution of the one-dimensional nonstationary mass transf
Externí odkaz:
https://doaj.org/article/db947997e97f4a9abc71f9e21786cfbf
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 10, Pp 280-285 (2018)
A new two-beam configuration of the thermal lens method for the nonlinear optical diagnostics of nanosuspensions is presented. The proposed configuration eliminates the influence of the electrostrictive response and thus provides the determination of
Externí odkaz:
https://doaj.org/article/23aa8e80c5704b28ac032a9403e7b8b7
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 9, Pp 205-209 (2017)
A theoretical analysis of the light induced mass transfer in a dispersive liquid is carried out for large intensities of radiation in the field of Gaussian beam. The non-linear lens exponentially increases with the intensity of light, when the change
Externí odkaz:
https://doaj.org/article/1ad43b8d64d4466c91d0bd1aaffab0be
Autor:
V.I. Ivanov, G.D. Ivanova
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 8, Pp 135-138 (2016)
We have analyzed the optical transmittance response of thin cell with liquid containing absorbing nanoparticles in a Gaussian beam field. The transmittance spatial changing is caused by the thermal diffusion phenomenon (Soret effect) which produces t
Externí odkaz:
https://doaj.org/article/2f7c490276ef464c80db602dc8fe38f5
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 7, Pp 329-332 (2015)
The light induced pseudo-prism method is used to study nonlinear media and for optical diagnostics of materials. This paper proposes a way to create pseudo-prisms in the nanodispersive liquid through the light radiation pressure. As a result of the a
Externí odkaz:
https://doaj.org/article/b32542e1b47d4bc788f64676725c8302
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 6, Pp 122-125 (2014)
A theoretical analysis of the dynamic holograms efficiency in the dispersion liquid medium with electrostrictive nonlinearity is carried out. The amplitudes of the first harmonics depends on the intensity of the light at a nonlinear regime.
Externí odkaz:
https://doaj.org/article/560ac87606534c63b1739f674af6547c
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 6, Pp 227-230 (2014)
The stationary two-dimensional thermodiffusion in a two component medium in the Gaussian beam radiation field was analyzed. The expression for a thermo-lens medium response is obtained.
Externí odkaz:
https://doaj.org/article/f2accf6c548445ec9f328e1c86a1a0c6
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 5, Pp 112-115 (2013)
The stationary thermal lens response in thin layers of two component medium is analyzed. It is showed thermodiffusion can strongly influences on the thermal lens itself and the transmittance coefficient of medium.
Externí odkaz:
https://doaj.org/article/64199fffc9484bfc8650cc4463acaa76
Publikováno v:
Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, Iss 11, Pp 590-595 (2019)
The light-induced concentration lens in a transparent dispersive medium at high radiation intensity was analyzed taking into account the interaction (repulsion) of nanoparticles. It is shown that the dependence of the light-lens response versus the i