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Infrared Emitter

Mar 2010
Cal Sensors Inc. (See Opto Diode Corporation)Request Info
The PIREPlus high-output emitter from Cal Sensors Inc. can be pulsed as a source of blackbody radiation for near- to far-infrared applications at 180 Hz with 50% modulation depth. According to the company, it delivers a pulsing speed 18 times faster than alternative technologies, maximizing signal-to-noise performance and expanding the measurement dynamic range and resolution for trace gases with very low parts per million. It is suitable for industrial and medical gas analysis, environmental monitoring, process control instrumentation, spectroscopy and plastics sorting. It comes with integrated drive electronics in an industry-standard 14-pin integrated circuit dual-in-line package. Compatible with a variety of infrared detector technologies, it can be used with the company’s MIRA4 four-color lead selenide sensor.


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A source of radiation.
infrared detector
A device used to detect radiation from the infrared region. It may be a thermal detector, such as a bolometer, thermocouple or Golay cell, or it may be a solid-state photon detector. Infrared-sensitive phosphors may be used in the infrared, and some photographic films may be used in the very near infrared.
In general, changes in one oscillation signal caused by another, such as amplitude or frequency modulation in radio which can be done mechanically or intrinsically with another signal. In optics the term generally is used as a synonym for contrast, particularly when applied to a series of parallel lines and spaces imaged by a lens, and is quantified by the equation: Modulation = (Imax – Imin)/ (Imax + Imin) where Imax and Imin are the maximum and minimum intensity levels of the image.
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