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Proceedings Paper

Time-Resolved Spectroscopy Of Evanescent-Wave Excited Fluorescence
Author(s): Brian W. Dodson
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Paper Abstract

An experimental proof of principle system for making time-resolved spectrographic measurements of laserinduced fluorescence in organics undergoing shock wave loading has been developed. The source of excitation is a flashlamp-pump dye laser and the detector is a 0.2m spectrograph coupled to an Imacon 500 streak camera. The sample, in liquid solution, is excited in an evanescent-wave geometry, which results in only a very thin (≈ 1000 Å) layer of sample being excited. Excitation of such a thin layer is required to obtain high time resolution in samples undergoing shock wave loading, which is the intended application for this technique. Optical time resolution of 100 psec has been achieved, and shorter time scales appear within easy reach.

Paper Details

Date Published: 2 November 1984
PDF: 4 pages
Proc. SPIE 0497, High Speed Photography, Videography, and Photonics II, (2 November 1984); doi: 10.1117/12.944495
Show Author Affiliations
Brian W. Dodson, Sandia National Laboratories (United States)

Published in SPIE Proceedings Vol. 0497:
High Speed Photography, Videography, and Photonics II
Austin L. Vick, Editor(s)

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