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  • Infrared Viewer Frequently Asked Questions
    illumination. These near-IR viewers can be used to examine documents, records, engravings, paintings, etc. for hidden differences. (Please note that IR filters and IR light sources are required for this application.)
  • Non-Dispersive Infrared (NDIR) Gas Detection
    Non-Dispersive Infrared (NDIR) technology utilizes a broadband infrared (IR) emitter, which covers all of the wavelengths of interest for a given set of gases to be measured. Optical Band Pass filters allow that portion of IR wavelengths at which a specific gas absorbs IR energy.
  • BioProcess Control: What the Next 15 Years Will Bring
    by the wavelength components in the various channels [4]. The dispersed radiation filters, or modulators, on the encoded disk are specific to each analytical function. Unlike nondispersive IR analyzers with fixed filters, the modulators can be replaced simply by replacing the encoder disk. Since the encoder
  • Machine Vision Adds Capacity, Safety to Road 'Well-Traveled'
    Ambient light has been a challenge for machine vision cameras and systems, which had their genesis in the more controlled environments of the industrial production floor. "The most common solution is to use infrared (IR) light and use a silicon sensor without the typical NIR filter-coating applied
  • Introduction to Thermopile Detectors
    Dexter Research Center is a leader in the manufacture of stable, high quality, high output radiation sensing thermopile detectors with a linear dynamic range from the UV to long wave IR. Thermopile detectors are passive radiation sensing voltage-generating devices, that require no bias or cooling

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