Other
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992adspr..12..141b&link_type=abstract
(Life sciences and space research XXIV/4/ - Natural and artificial ecosystems; Proceedings of the Topical Meeting of the Interdi
Other
2
Crop Growth, Food Production (In Space), Light Emitting Diodes, Plants (Botany), Space Flight Feeding, Aluminum Gallium Arsenides, Irradiation, Luminaires, Photosynthesis
Scientific paper
Light emitting diodes (LEDs) are a promising irradiation source for plant growth in space. Improved semiconductor technology has yielded LED devices fabricated with GaAlAs chips which have a high efficiency for converting electrical energy to photosynthetically active radiation. Specific GaAlAs LEDs are available that emit radiation with a peak wavelength near the spectral peak of maximum quantum action for photosynthesis. Advantages of LEDs over other electric light sources for use in space systems include long life, minimal mass and volume and being a solid state device.
Barta D. J.
Bula Raymond J.
Morrow R. C.
Tibbitts T. W.
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