1 February 1991 Fiber optic lighting system for plant production
Author Affiliations +
Proceedings Volume 1379, Optics in Agriculture; (1991) https://doi.org/10.1117/12.25076
Event: Advances in Intelligent Robotics Systems, 1990, Boston, MA, United States
Dennis St. George John Feddes (Dept. of Agricultural Engineering University of Alberta Edmonton AB Canada T6G 2Hl) A prototype light collection and transmission device was developed and evaluated for the potential of irradiating plants grown in an opague growth chamber. Results indicated that the device transmitted light with a photon flux of 130 1amol/s/m2 (4000-7000 nm) to the bottom of the growth chamber when direct solar radiation was 800 W/m2 (300-2500 nm) outside. The overall collection and transmission efficiency for photosynthetically active radiation is 19. 2. A growth trial with plants indicated that artificial lighting is required during cloudy periods. 1.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dennis R. St. George, Dennis R. St. George, John J. R. Feddes, John J. R. Feddes, } "Fiber optic lighting system for plant production", Proc. SPIE 1379, Optics in Agriculture, (1 February 1991); doi: 10.1117/12.25076; https://doi.org/10.1117/12.25076


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