High-Resolution Chlorophyll Fluorescence Imager

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Headwall’s chlorophyll fluorescence imaging sensor covers the 670-780nm region and the O2-A and O2-B bands with resolution below 1nm. It represents an industry-best combination of spectral resolution in a small and light package suitable for aircraft and suitable UAVs.

Headwall has responded to market demand for a spectral imaging sensor that collects chlorophyll fluorescence (CF) data vital to understanding plant and crop photosynthesis. Applications such as crop science and climatology will benefit from this new instrument.

The newest member of Headwall’s Hyperspec® sensor family collects image data at extremely high resolution across both the important ‘Oxygen-A’ and ‘Oxygen-B’ bands. These indices are present within the 670-780nm range of the sensor, meaning that scientists can now collect actionable modeling data from these relatively weak signals. Modeling accuracy is enhanced by collecting data in the O2-A and O2-B regions.

The new sensor is small and light enough for use aboard many of today’s commercial available UAVs, and it can also be used on a ground-based pan-and-tilt configuration to monitor chlorophyll fluorescence. The sensor weighs about 6.3kg (13.9 lb.) inclusive of its 25mm telecentric VNIR lens and its footprint measures 300x200x200mm (12” x 8” x 8”).  Its spectral resolution (FWHM) is 0.25nm or better.