Mr. Paul A. Wilks Profile

Paul A. Wilks

at Wilks Enterprise Inc

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Proceedings Article | 22 February 2002 Paper

In-line infrared sensors covering the midinfrared from 2 to 14 micrometers (5000 to 700 cm-1)

Paul Wilks

Proceedings Volume 4577, (2002) https://doi.org/10.1117/12.455724

KEYWORDS: Infrared sensors, FT-IR spectroscopy, Absorption, Sensors, Optical fibers, Infrared radiation, Spectrometers, Near infrared, Mid-IR, Thermography

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The wide spread use of FT-IR spectrometers has created many potential applications for MIR spectroscopy in quality control and process monitoring. Because of the complexity, cost and environmental requirements of FT-IR spectrometers, it is usually impractical to move them into the field or along side the process stream. Portable MIR instruments such as the Wilks Infracal Filtometers are filling the need for field measurements. For in-line sensing, ATR probes combined with optical fibers or light pipes are being installed to transmit absorption data to remotely located FT-IR instruments. While such installations have performed satisfactorily in some applications, optical fibers are limited in energy transmission efficiency and in the MIR are extremely expensive. A new type of MIR sensor has been developed by Wilks Enterprise, Inc. called the IR Plug, that makes the absorption measurement directly in stream, transmitting digital concentration information to a remote PC or display panel. The Wilks IR Plug eliminates the need for optical fibers, light pipes and the FT-IR spectrometer itself.

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