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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 1 — Jan. 1, 2001
  • pp: 157–166

Steady-state multispectral fluorescence imaging system for plant leaves

Moon S. Kim, James E. McMurtrey, Charles L. Mulchi, Craig S. T. Daughtry, Emmett W. Chappelle, and Yud-Ren Chen  »View Author Affiliations


Applied Optics, Vol. 40, Issue 1, pp. 157-166 (2001)
http://dx.doi.org/10.1364/AO.40.000157


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Abstract

We present a detailed description of a laboratory-based multispectral fluorescence imaging system (MFIS) for plant leaves. Fluorescence emissions with 360-nm excitation are captured at four spectral bands in the blue, green, red, and far-red regions of the spectrum centered at 450, 550, 680, and 740 nm, respectively. Preliminary experiments conducted with soybean leaves treated with a herbicide (DCMU) and short-term exposures to moderately elevated tropospheric ozone environment demonstrated the utilities of the newly developed MFIS. In addition, with the aid of fluorescence images of normal soybean leaves, several mechanisms governing the fluorescence emissions are discussed. Imaging results illustrate the versatility of fluorescence imaging, which provides information on the spatial variability of fluorescence patterns over leaf samples.

© 2001 Optical Society of America

OCIS Codes
(040.1520) Detectors : CCD, charge-coupled device
(170.0110) Medical optics and biotechnology : Imaging systems
(170.6280) Medical optics and biotechnology : Spectroscopy, fluorescence and luminescence
(300.2140) Spectroscopy : Emission
(300.2530) Spectroscopy : Fluorescence, laser-induced

History
Original Manuscript: June 13, 2000
Revised Manuscript: October 4, 2000
Published: January 1, 2001

Citation
Moon S. Kim, James E. McMurtrey, Charles L. Mulchi, Craig S. T. Daughtry, Emmett W. Chappelle, and Yud-Ren Chen, "Steady-state multispectral fluorescence imaging system for plant leaves," Appl. Opt. 40, 157-166 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-1-157

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