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Vol. 226, Issue 10, October 2018, pp. 100-106

 

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Light Rays Scattered by Homogeneous and Coated Cones Based on Vectorial Complex Rays Model
 

1, 2 Qingwei DUAN, 1 Xiang’e HAN and 2 Kuan Fang REN

1 School of Physics and Optoelectronic Engineering, Xidian University, Xi'an, 710071, China
2 CORIA-UMR 6614, Normandie Université, CNRS, Université et INSA de Rouen, 76801 Saint Etienne du Rouvray, France
2 Tel.: +(33)0232953743, fax: +(33)0232953794

2 E-mail: fang.ren@coria.f

 

Received: 25 June 2018 /Accepted: 31 August 2018 /Published: 31 October 2018

Digital Sensors and Sensor Sysstems

 

Abstract: The light scattering of objects is essential for its wide applications in optical measurement for the merit of convenience and no-intervention. Although many theories, models and numerical algorithms have been developed, the light scattering by large non-spherical objects is still a bottleneck problem in this field. In the Vectorial Complex Ray Model (VCRM) we have developed, the wavefront curvature is introduced as a new intrinsic property of rays. Due to this new conception, VCRM is shown much convenient and precise to predict the light scattering by large non-spherical objects. In this paper, we will present an application of VCRM in the light scattering by homogeneous and coated cones. The analysis of the scattering properties calculated by our code is also given. We found that for the homogeneous cone, the position of rainbow is very sensitive to the cone slope, and for the coated cone, the angle difference between the twin rainbows is highly sensitive to the coating thickness. This work is hoped to provide new ideas for real-time and non-intrusive measurement of liquid jets and tapered fibers.

 

Keywords: Light scattering, Homogeneous cone, Coated cone, Vectorial Complex Ray Model, Rainbow, Liquid jet, Tapered fiber.

 

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