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Proceedings Paper

Two dimensional imaging of photoluminescence from rice for quick and non-destructive evaluation
Author(s): T. Katsumata; T. Suzuki; H. Aizawa; E. Matashige
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Paper Abstract

The visible PL with broad peak at wavelength of λ=462 nm are observed from polished rice, flour and corn starch under illumination of ultra-violet (UV) light. PL peaking at λ=462 nm is excited effectively with UV light at λ=365 nm. Peak intensity is found to vary with the source and the breed of the rice specimens. PL images from rice also reveal the uniformity of the rice products. Two-dimensional images of PL, which reavealed the uniformity of rice under UV irradiation, are potentially useful for the evaluation and the quality control of the rice products.

Paper Details

Date Published: 23 May 2005
PDF: 4 pages
Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); doi: 10.1117/12.623686
Show Author Affiliations
T. Katsumata, Toyo Univ. (Japan)
T. Suzuki, Toyo Univ. (Japan)
H. Aizawa, Toyo Univ. (Japan)
E. Matashige, Toyo Univ. (Japan)


Published in SPIE Proceedings Vol. 5855:
17th International Conference on Optical Fibre Sensors
Marc Voet; Reinhardt Willsch; Wolfgang Ecke; Julian Jones; Brian Culshaw, Editor(s)

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