Light scattering on ultrathin capillaries

Enderlein, Joerg (1999) Light scattering on ultrathin capillaries. OPTICS COMMUNICATIONS, 160 (4-6). pp. 201-206. ISSN 0030-4018,

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Abstract

In recent experiments, very low amplitudes of Light scattering were reported for a tightly focused laser beam on a glass microcapillary. This result may be of great importance for single molecule detection in liquids. In the present paper, a theoretical study of the problem of Light scattering of a focused laser beam on a cylindrical glass capillary is given. The numerical calculations are based on an exact electrodynamic treatment of the whole problem, including vector effects of the electromagnetic field of the laser beam. It is shown that under favorite conditions (inner and outer radius of the capillary, perfect adjustment of the laser beam) the intensity of the back-scattered light may be extremely low. (C) 1999 Elsevier Science B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: SINGLE-MOLECULE DETECTION; 2-PHOTON-EXCITED FLUORESCENCE; COUMARIN-120; LIQUIDS; single molecule detection; laser light scattering
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik
Depositing User: Dr. Gernot Deinzer
Date Deposited: 21 Nov 2022 09:34
Last Modified: 21 Nov 2022 09:34
URI: https://pred.uni-regensburg.de/id/eprint/48522

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