Microscanning Setup for Focal Plane Arrays
Infrared focal plane arrays (FPA) are becoming widely used in the field of thermal imaging. As compared to older 1-detector scanning systems, these sensors showed tremendous improvement. However, FPAs have a major drawback over scanning systems as, for a given instantaneous field of view (IFOV), they can only reproduce half the frequencies scanning systems do. This is due to the Nyquist theorem which stipulates that at least two samples must be taken for each cycle1 in the image.
KeywordsModulation Transfer Function Scanning System Focal Plane Array Instantaneous Field Pixel Pitch
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