УДК: 535.34.35

Delayed luminescence as an optical indicator of tobacco leaf quality

Chen Ping, Zhang Lei, Mao Song-Cheng, Li Xing, Zhang Feng, Shen Chang-Hai, Tang Guo-Qing, Lin Lie

Полный текст на elibrary.ru

Публикация в Journal of Optical Technology

Ссылка для цитирования:

Ping Chen, Lei Zhang, Song-Cheng Mao, Xing Li, Feng Zhang, Chang-Hai Shen, Guo-Qing Tang, Lie Lin Delayed luminescence as an optical indicator of tobacco leaf quality [на англ. яз.] // Оптический журнал. 2013. Т. 80. № 2. С. 59–63.

Ping Chen, Lei Zhang, Song-Cheng Mao, Xing Li, Feng Zhang, Chang-Hai Shen, Guo-Qing Tang, Lie Lin Delayed luminescence as an optical indicator of tobacco leaf quality [in English] // Opticheskii Zhurnal. 2013. V. 80. № 2. P. 59–63.

Ссылка на англоязычную версию:

Ping Chen, Lei Zhang, Song-Cheng Mao, Xing Li, Feng Zhang, Chang-Hai Shen, Guo-Qing Tang, and Lie Lin, "Delayed luminescence as an optical indicator of tobacco leaf quality," Journal of Optical Technology. 80(2), 115-118 (2013). https://doi.org/10.1364/JOT.80.000115

Аннотация:

In this paper, we present our study on the spectral discrimination between high and low quality tobacco leaves using a time-resolved ultraweak luminescence detection system. Photoinduced delayed luminescence (DL) is employed as a nondestructive and objective indicator of tobacco leaf quality. DL decay kinetics of tobacco leaf samples is measured, and the data are fitted by a hyperbolic cosecant function. Results show that the function’s parameter A is significantly related to the quality grades of tobacco leaves—compared with the low quality tobacco leaves, an increase of the A value by a factor of 7 is obtained for the high quality tobacco leaves. Research from this work contributes to the development of a novel optical method applicable for the quality evaluation of agricultural crops and food products.

Ключевые слова:

delayed, luminescence, optical indicator, ultraweak detection system, tobacco quality

Благодарность:

Работа выполнена при финансовой поддержке Национального фонда естественных наук Китая (гранты №№ 60508004 и 60778043), Национальной программы Китая по высокотехнологичным исследованиям и разработкам (Программа "863", грант № 2011AA030205) и Муниципальной комиссии по науке и технологиям г. Тяньцзинь (грант № 08ZCDFGX09400).

Коды OCIS: 170.6280, 170.6510, 260.3800

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