Measurement of the light scattering of single micrometer-sized particles captured with a microfluidic trap | Zendy

Jie Dai | Zendy; Wei Li | Zendy; Baoyu Gong | Zendy; Huimin Wang | Zendy; Min Xia | Zendy; Kecheng Yang | Zendy

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Measurement of the light scattering of single micrometer-sized particles captured with a microfluidic trap

Author(s) -

Jie Dai,

Wei Li,

Baoyu Gong,

Huimin Wang,

Min Xia,

Kecheng Yang

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.030204

Subject(s) - scattering , light scattering , optics , particle (ecology) , microfluidics , materials science , micrometer , mie scattering , forward scatter , optoelectronics , nanotechnology , physics , oceanography , geology

Light scattering detection of a single particle is significant to both theoretical developments and application progresses of particle scattering. In this work, a new method employing the polydimethylsiloxane microfluidic catcher with self-regulation was developed to detect the light scattering of an individual micro particle (20.42, 23.75, and 31.10 μm) in a wide angular range. This system can rapidly (<2 min) immobilize single particles without aggregations and continuously analyze its light scattering ranging from 2° to 162°. The high success ratio of the capture, good agreement with the anticipation, and moderate time and cost make this method a promising candidate in single-particle-scattering applications.

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