Specifications

Imaging Systems Mounted in the Field Scanner Instrument Box

 

Sensor Sensor Name Description Field of View (m)* Standard Working Distance (m) Examples of Potential Applications
3D laser scanner 3D Fraunhofer Laser scanner (810 nm). Paired at 30° angle from opposite sides 0.85 3.5 Plant architecture: height, leaf counts, leaf area and surface normal angles
Thermal IR FLIR A615, 45° Thermal infrared (640 x 480 pixels) 1.5 2.0 Transpiration, heat stress, leaf senescence
Stereo-RGB Prosilica GT3300C

Paired color (RGB) cameras

1.3 (~35% overlap) 2.0 Phenology, stereo-reconstruction for architecture
Visual-Near IR (VNIR)   Headwall HyperSpec Inspector Visible and near-infrared scanning imager, 380-1000 nm, ~0.9 nm bandwidth 1.0 2.0 Vegetation indices, leaf structure, lignin/flavonoid contents, leaf senescence, stress indices
Shortwave IR (SWIR) Headwall HyperSpec Inspector Short-wave infrared scanning imager, 900-2500 nm, ~ 7.5 nm bandwidth 0.75 2.0 Water, lignin, cellulose contents, fluorescence
PSII (chlorophyll fluorescence) PSII Camera LemnaTec Fluorescence response of dark-adapted canopy (imaging synchronized with illumination from panel of LED bulbs) 1.1 0.8 Status of Photosystem II, especially for heat or drought stress