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Proceedings Paper

Measurement and analysis on optical characteristics of Aspergillus oryzae spores in infrared band
Author(s): Le Li; Yihua Hu; Youlin Gu; Wei Chen; Shilong Xu; Xinying Zhao
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Paper Abstract

Spore is an important part of bioaerosols. The optical characteristics of spore is a crucial parameter for study on bioaerosols. The reflection within the waveband of 2.5 to15μm were measured by squash method. Based on the measured data, Complex refractive index of Aspergillus oryzae spores within the waveband of 3 to 5μm and 8 to 14 μm were calculated by using Krames-Kronig (K-K) relationship. Then,the mass extinction coefficient of Aspergillus oryzae spores within the waveband of 3 to 5μm and 8 to 14μm were obtained by utilizing Mie scattering theory, and the results were analyzed and discussed. The average mass extinction coefficient of Aspergillus oryzae spores is 0.51 m2/g in the range of 3 to 5μm,and 0.48m2/g in the range of 8 to 14μm. Compared with common inorganic compounds, Aspergillus oryzae spores possesses a good extinction performance in infrared band.

Paper Details

Date Published: 8 October 2015
PDF: 11 pages
Proc. SPIE 9677, AOPC 2015: Optical Test, Measurement, and Equipment, 96772H (8 October 2015); doi: 10.1117/12.2202911
Show Author Affiliations
Le Li, Electronic Engineering Institute (China)
Yihua Hu, Electronic Engineering Institute (China)
Youlin Gu, Electronic Engineering Institute (China)
Wei Chen, Electronic Engineering Institute (China)
Shilong Xu, Electronic Engineering Institute (China)
Xinying Zhao, Electronic Engineering Institute (China)


Published in SPIE Proceedings Vol. 9677:
AOPC 2015: Optical Test, Measurement, and Equipment
Sen Han; Jonathan D. Ellis; Junpeng Guo; Yongcai Guo, Editor(s)

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