Zobrazeno 1 - 10
of 13
pro vyhledávání: '"M. I. Perchenko"'
Publikováno v:
Optics and Spectroscopy. 116:638-641
We have experimentally studied the influence of scattering anisotropy parameter g of a medium on the magnitude of signal S (visualization parameter) at an ultrasonic frequency that is registered upon acoustooptic tomography. Aqueous solutions of mixt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19fddc5598f07d5af02850fd05edf86b
https://doi.org/10.1134/s0030400x14030291
https://doi.org/10.1134/s0030400x14030291
Publikováno v:
Quantum Electronics. 42:405-408
The influence of special multislit diaphragms placed in front of the receiver cathode on the signal value and signal-to-noise ratio in acoustooptical visualisation of scattering biological media is studied. Using such diaphragms the visualisation of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::158a2b7b03709abaf0dc22dfa845f266
https://doi.org/10.1070/qe2012v042n05abeh014889
https://doi.org/10.1070/qe2012v042n05abeh014889
Publikováno v:
Optics and Spectroscopy. 112:806-812
Experimental dependences of the detected acousto-optic interaction signal and of the signal-to-noise ratio on parameters of a scattering medium have been obtained using single- and three-slit diaphragms in front of the photocathode of the receiver. U
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c123c364b8f2379f2fc34d791822126
https://doi.org/10.1134/s0030400x12040212
https://doi.org/10.1134/s0030400x12040212
Publikováno v:
Optics and Spectroscopy. 101:317-324
Images of optically inhomogeneous objects immersed into a cell with a scattering liquid through which orthogonal laser and ultrasonic beams pass are obtained upon measuring the scattered light modulated at the ultrasonic frequency. The alternating cu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::330daa8867cb788b5d4aae74838f5697
https://doi.org/10.1134/s0030400x06080224
https://doi.org/10.1134/s0030400x06080224
Publikováno v:
Optics and Spectroscopy. 100:307-313
For determining the optimum conditions of detecting the signal during acousto-optic visualization, the modulation characteristics of radiation of a laser beam crossed by a focused acoustic beam in a medium and scattered by this medium were studied. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::595f94f2752c66b6402bb6056f5e4880
https://doi.org/10.1134/s0030400x06020238
https://doi.org/10.1134/s0030400x06020238
Publikováno v:
Technical Physics. 47:996-1001
An expression for a signal at the ultrasonic frequency from a photodetector arising when diffraction waves at the cathode mix is obtained for the case when the optical and acoustic beams are space-limited and Bragg angles are small. The alternating c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23adbc6e37a00aed28f10a3f740f1afa
https://doi.org/10.1134/1.1501680
https://doi.org/10.1134/1.1501680
Publikováno v:
SPIE Proceedings.
Investigation of a dependence of a registered signal on an extinction parameter μ of a scattering media (the water solution of milk, thickness L) at an acoustooptic tomography showed the signal values could be essentially differed at the same μL in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::475db87f601cbf14023dddf270d010a4
https://doi.org/10.1117/12.2018942
https://doi.org/10.1117/12.2018942
Publikováno v:
Technical Physics Letters. 26:882-884
Behavior of a signal of the Rayleigh scattering of a laser radiation in air was studied depending on the parameters of an ultrasonic wave excited in the region of observation. It is shown that the presence of an ultrasonic wave in this region provide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44cf57a9c5ac924408203d67c2e62616
https://doi.org/10.1134/1.1321227
https://doi.org/10.1134/1.1321227
Publikováno v:
SPIE Proceedings.
By analyzing spatial distribution of the laser radiation modulated by ultrasound (the ac photocurrent at ultrasonic frequency) in scattering medium, images of some optical inhomogeneities have been obtained. The signal registration conditions corresp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::274b5f3d430adb8c9c75d5913c83ae7a
https://doi.org/10.1117/12.637203
https://doi.org/10.1117/12.637203
Publikováno v:
SPIE Proceedings.
On the basis of the Bragg diffraction model of coherent- optical interaction of laser radiation with ultrasonic wave, the influence of ultrasound axis position and ultrasound frequency value on the amplitude characteristics of ac photodetector curren
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d42ae3708d977568b27484d5e184a8b
https://doi.org/10.1117/12.469014
https://doi.org/10.1117/12.469014