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12 January 2018 Portable plant chlorophyll fluorimeter based on blue LED rapid induced technology
Yibo Zheng, Ting Mi, Lei Zhang, Jun Zhao
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Proceedings Volume 10621, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems; 106211A (2018) https://doi.org/10.1117/12.2294040
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China
Abstract
Fluorimeter is an effective device for detecting chlorophyll a content in plants. In order to realize real-time nondestructive detection of plant blades, a camera based fluorescence instrument based on two color mirrors has been developed. The blue light LED is used as the excitation light source, and the lens is used for shaping and focusing the excitation light to ensure the excitation intensity and uniform illumination of the light source. The device uses a 45 degree two color mirror to separate the chlorophyll a excited light path and the fluorescence receiving light path. Finally, the fluorescent signal is collected by the silicon photocell, and the signal is processed by the circuit to transmit the digital information to the display. Through the analysis of the experimental data, the device has the advantages of small size, easy to carry, fast induction, etc., and can be widely applied in outdoor teaching and field investigation.
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Yibo Zheng, Ting Mi, Lei Zhang, and Jun Zhao "Portable plant chlorophyll fluorimeter based on blue LED rapid induced technology", Proc. SPIE 10621, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 106211A (12 January 2018); https://doi.org/10.1117/12.2294040
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KEYWORDS
Fluorometers
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