Polarization and intensity analysis of lateral scattering light from nanoparticles

Zheng Bang Wu; Lin He; Jun Hao Han

doi:10.1364/AO.462090

Applied Optics
Vol. 61,
Issue 24,
pp. 7050-7058
(2022)
•https://doi.org/10.1364/AO.462090

Polarization and intensity analysis of lateral scattering light from nanoparticles

Zheng Bang Wu, Lin He, and Jun Hao Han

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Zheng Bang Wu, Lin He, and Jun Hao Han, "Polarization and intensity analysis of lateral scattering light from nanoparticles," Appl. Opt. 61, 7050-7058 (2022)

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Abstract

The characteristics of laterally scattered light from nanoparticles can be experimentally studied by polarization imaging technology. This paper compares and analyzes the differences in polarization between nanoparticles and microparticles. Then, the influence of the incident light intensity on scattered light and the degree of polarization is studied. It is found that, when the concentration of nanoparticles is constant, the degree of polarization of scattered light is not affected compared with the scattered light intensity. Finally, the variation law of nanoparticle concentration and polarization is studied. It is found that, with the increase of particle concentration, the polarization of lateral scattered light increases and then decreases.

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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Laser Energy Scale	4	5	6	7	8	9
DOLP	0.8939	0.9	0.8876	0.8862	0.8836	0.8806
$I$	0.1695	0.3174	0.4418	0.5085	0.5666	0.654

	${D O L P}_{y} = 200$	${D O L P}_{y} = 600$	${D O L P}_{y} = 1000$	$I_{y} = 200$	$I_{y} = 600$	$I_{y} = 1000$
Mean	0.89	0.88	0.88	0.47	0.45	0.42
CV%	2.07	3.24	3.15	11.43	11.59	11.58

	${D O L P}_{x} = 200$	${D O L P}_{x} = 600$	${D O L P}_{x} = 1000$	$I_{x} = 200$	$I_{x} = 600$	$I_{x} = 1000$
Mean	0.88	0.89	0.89	0.43	0.48	0.45
CV%	3.64	3.02	2.38	10.86	12.49	12.05

Laser Energy Scale	4	5	6	7	8	9
DOLP	0.8939	0.9	0.8876	0.8862	0.8836	0.8806
$I$	0.1695	0.3174	0.4418	0.5085	0.5666	0.654

	${D O L P}_{y} = 200$	${D O L P}_{y} = 600$	${D O L P}_{y} = 1000$	$I_{y} = 200$	$I_{y} = 600$	$I_{y} = 1000$
Mean	0.89	0.88	0.88	0.47	0.45	0.42
CV%	2.07	3.24	3.15	11.43	11.59	11.58

Abstract

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Applied Optics