Understanding Infrared Thermography Reading 7 Part 2 of 2.pdf

Focal plane array (FPA) imagers
Focal plane array (FPA) imagers have, over the last decade, become the
imagers of choice over opto-mechanically scanned imagers, replacing
them in virtually all commercial applications. Manufacturers of FPA
imagers offer a wide choice of both cooled and uncooled detector arrays,
with a wide selection of spectral ranges for both measuring (quantitative)
and non-measuring (qualitative) applications. A more detailed discussion
of focal plane array imagers can be found in Section 2.
Published performance characteristics of currently available infrared
commercial thermal imaging systems, including detailed discussions of
diagnostic software and image recording methods, can also be found in
Section 2, Table 2-1.
Figure A-18 is a schematic of a typical focal plane array based thermal
imager.
Charlie Chong/ Fion Zhang