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Infrared Spectral Selection: It Begins with the Detector

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An IR imaging system employing a narrow spectral band brings hidden images to light, broadening IR imaging’s applications.

Austin Richards, FLIR Systems, Commercial Vision Systems

Spectral selection is a powerful tool that enhances conventional imaging tremendously. Most imaging systems, including the human eye, are designed to image light over a broad range of the spectrum. This makes the system more sensitive to the available light, but can often wash out details or information of interest. By narrowing the color or spectral range, one can see things that are otherwise concealed or not apparent to a broadband imaging system. A simple example in the visible spectrum is the detection of bloodstains by crime scene personnel. Blood-stains can appear quite faint...Read full article

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