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Step Scan Interferometry in the Mid-Infrared with Photothermal Detection

Publication ,  Journal Article
Smith, MJ; Manning, CJ; Palmer, RA; Chao, JL
Published in: Applied Spectroscopy
May 1988
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A medium resolution mid-infrared FT-IR instrument (IBM Instruments IR 44) has been modified to do step scanning; this has been done with the use of concepts previously applied to both near- and far-infrared instruments. In this paper we illustrate the method used for driving the mirror in the step scan mode and present some preliminary results from using the instrument with photothermal detection. At the current state of development, results obtained with the use of phase modulation indicate that this method produces significantly higher signal-to-noise ratios than does the use of amplitude (chopper) modulation to generate the photothermal signal.

Duke Scholars

Richard A. Palmer
Author Richard A. Palmer Chemistry
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Published In

Applied Spectroscopy

DOI

10.1366/0003702884429184

EISSN

1943-3530

ISSN

0003-7028

Publication Date

May 1988

Volume

42

Issue

4

Start / End Page

546 / 555

Publisher

SAGE Publications

Related Subject Headings

  • Analytical Chemistry
  • 0913 Mechanical Engineering
  • 0306 Physical Chemistry (incl. Structural)
  • 0301 Analytical Chemistry
 

Citation

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Smith, M. J., Manning, C. J., Palmer, R. A., & Chao, J. L. (1988). Step Scan Interferometry in the Mid-Infrared with Photothermal Detection. Applied Spectroscopy, 42(4), 546–555. https://doi.org/10.1366/0003702884429184
Smith, Matthew J., Christopher J. Manning, Richard A. Palmer, and James L. Chao. “Step Scan Interferometry in the Mid-Infrared with Photothermal Detection.” Applied Spectroscopy 42, no. 4 (May 1988): 546–55. https://doi.org/10.1366/0003702884429184.
Smith MJ, Manning CJ, Palmer RA, Chao JL. Step Scan Interferometry in the Mid-Infrared with Photothermal Detection. Applied Spectroscopy. 1988 May;42(4):546–55.
Smith, Matthew J., et al. “Step Scan Interferometry in the Mid-Infrared with Photothermal Detection.” Applied Spectroscopy, vol. 42, no. 4, SAGE Publications, May 1988, pp. 546–55. Crossref, doi:10.1366/0003702884429184.
Smith MJ, Manning CJ, Palmer RA, Chao JL. Step Scan Interferometry in the Mid-Infrared with Photothermal Detection. Applied Spectroscopy. SAGE Publications; 1988 May;42(4):546–555.
Journal cover image

Published In

Applied Spectroscopy

DOI

10.1366/0003702884429184

EISSN

1943-3530

ISSN

0003-7028

Publication Date

May 1988

Volume

42

Issue

4

Start / End Page

546 / 555

Publisher

SAGE Publications

Related Subject Headings

  • Analytical Chemistry
  • 0913 Mechanical Engineering
  • 0306 Physical Chemistry (incl. Structural)
  • 0301 Analytical Chemistry