Journal
APPLIED OPTICS
Volume 51, Issue 11, Pages 1671-1680Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.51.001671
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- National Science Foundation
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Three-dimensional (3D) images of flame emission are reported using a single direction of optical access. A Cassegrain system was designed with narrow depth of field. Images from this system are dominated by emission from the focused object plane with defocused contributions from out-of-plane structures. Translation of one mirror in the system allows for scanning the object plane through the flame. Images were taken at various depths to create a family of images. Reconstruction of the 3D flame structure was accomplished using a maximum entropy algorithm adapted for use with 3D imaging. Spatial resolution in the direction of imaging is examined using laminar flames with variable offset. (C) 2012 Optical Society of America
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