Time-dependent multiwavelength single-frame chemical imaging spectroscopy of laser plumes using a dimension-reduction fiber optic array

Matthew P. Nelson; Michael L. Myrick

doi:10.1117/12.347064

27 April 1999 Time-dependent multiwavelength single-frame chemical imaging spectroscopy of laser plumes using a dimension-reduction fiber optic array

Matthew P. Nelson, Michael L. Myrick

Author Affiliations +

Proceedings Volume 3649, Sensors, Cameras, and Systems for Scientific/Industrial Applications; (1999) https://doi.org/10.1117/12.347064
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

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.

Citation Download Citation

Matthew P. Nelson and Michael L. Myrick "Time-dependent multiwavelength single-frame chemical imaging spectroscopy of laser plumes using a dimension-reduction fiber optic array", Proc. SPIE 3649, Sensors, Cameras, and Systems for Scientific/Industrial Applications, (27 April 1999); https://doi.org/10.1117/12.347064

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