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Proceedings Paper

Time-dependent multiwavelength single-frame chemical imaging spectroscopy of laser plumes using a dimension-reduction fiber optic array
Author(s): Matthew P. Nelson; Michael L. Myrick
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Paper Abstract

A single-frame approach to chemical imaging with high spectroscopic resolution is described that makes use of a second generation dimension-reduction fiber-optic array. Laser-induced plume images are focused onto a 17 X 32 rectangular array of square close-packed 25 micrometers cross- sectional f/2 optical fibers that are drawn into a 544 X 1 distal array with serpentine ordering. The 544 X 1 side of the array is imaged with an f/2 spectrograph equipped with a holographic grating and a gated intensified charge- coupled device (ICCD) camera for spectral analysis. Software is used to extract the spatial/spectral information contained in the ICCD images and deconvolute them into wavelength-specific univariate reconstructed images or position-specific spectra that span an 86 nm wavelength space.

Paper Details

Date Published: 27 April 1999
PDF: 8 pages
Proc. SPIE 3649, Sensors, Cameras, and Systems for Scientific/Industrial Applications, (27 April 1999); doi: 10.1117/12.347064
Show Author Affiliations
Matthew P. Nelson, Univ. of South Carolina (United States)
Michael L. Myrick, Univ. of South Carolina (United States)

Published in SPIE Proceedings Vol. 3649:
Sensors, Cameras, and Systems for Scientific/Industrial Applications
Morley M. Blouke; George M. Williams Jr., Editor(s)

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