Simulation study of optical detection of small particles by light scattering-type sensor with double-side mirror reflectors

Kenya Nakai; Nozomi Enoki

doi:10.1117/12.2508272

4 March 2019 Simulation study of optical detection of small particles by light scattering-type sensor with double-side mirror reflectors

Kenya Nakai, Nozomi Enoki

Author Affiliations +

Proceedings Volume 10925, Photonic Instrumentation Engineering VI; 1092511 (2019) https://doi.org/10.1117/12.2508272
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Light scattering-type sensors have been utilized in order to measure the amount of particulate matter in the atmosphere in variety of locations. Optically detection characteristics of a light scattering-type particle sensor with a double-side mirror reflector structure which can detect efficiently the weakly scattered light intensity from a particle are studied in simulation. Dependence properties of an irradiated laser power, a particle size and a spatial particle distribution are revealed by the simulation with regard to a minimum particle size of 0.3 μm in diameter. The calculated results with the simulation model corresponds reasonably well with the measured results.

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Kenya Nakai and Nozomi Enoki "Simulation study of optical detection of small particles by light scattering-type sensor with double-side mirror reflectors", Proc. SPIE 10925, Photonic Instrumentation Engineering VI, 1092511 (4 March 2019); https://doi.org/10.1117/12.2508272

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