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Applied Spectroscopy

Applied Spectroscopy

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  • Vol. 59, Iss. 2 — Feb. 1, 2005
  • pp: 156–163

New Developments in Planar Array Infrared Spectroscopy

Isabelle Pelletier, Christian Pellerin, D. Bruce Chase, and John F. Rabolt

Applied Spectroscopy, Vol. 59, Issue 2, pp. 156-163 (2005)


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Abstract

A planar array infrared (PA-IR) spectrograph offers several advantages over other infrared approaches, including high acquisition rate and sensitivity. However, it suffers from some important drawbacks, such as a limited spectral range and a significant curvature of the recorded spectral images, which still need to be addressed. In this article, we present new developments in PA-IR spectroscopy that overcome these drawbacks. First, a data processing method for the correction of the curvature observed in the spectral images has been developed and refined. In addition, a dual-beam instrument that allows the simultaneous recording of two independent spectral images has been developed. These two improvements have been combined to demonstrate the real-time background correction capability of PA-IR instruments. Finally, the accessible spectral range of the PA-IR spectrograph has been extended to cover simultaneously the methylene stretching (3200–2800 cm–1) and the finger-print (2000–1000 cm–1) spectral regions.

Citation
Isabelle Pelletier, Christian Pellerin, D. Bruce Chase, and John F. Rabolt, "New Developments in Planar Array Infrared Spectroscopy," Appl. Spectrosc. 59, 156-163 (2005)
http://www.opticsinfobase.org/as/abstract.cfm?URI=as-59-2-156

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