Imaging Techniques Utilizing Optical Fibers And Tomography

M. Wilke; N.S. P. King; N. Gray; D. Johnson; D. Esquibel; P. Nedrow; S. Ishiwata

doi:10.1117/12.949787

3 January 1986 Imaging Techniques Utilizing Optical Fibers And Tomography

M. Wilke, N.S. P. King, N. Gray, D. Johnson, D. Esquibel, P. Nedrow, S. Ishiwata

Proceedings Volume 0566, Fiber Optic and Laser Sensors III; (1986) https://doi.org/10.1117/12.949787
Event: 29th Annual Technical Symposium, 1985, San Diego, United States

Abstract

Two-dimensional, time-dependent images generated by neutrons, gamma rays, and x-rays incident on fast scintillators are relayed to streak and video cameras over optical fibers. Three dimensions, two spatial and one temporal, have been reduced to two, one in space and time utilizing sampling methods permitting reconstruction of a time-dependent, two-dimensional image subsequent to data recording. The manner in which the sampling is done optimized the ability to reconstruct the image via a maximization of entropy algorithm. This method uses four linear fiber optic arryas typically 30 meters long and up to 35 elements each. A further refinement of this technique collapses the linear array information into four single fibers by wavelength multiplexing. This permits economical transmission of the data over kilometer distances to the recording equipment.

Citation Download Citation

M. Wilke, N.S. P. King, N. Gray, D. Johnson, D. Esquibel, P. Nedrow, and S. Ishiwata "Imaging Techniques Utilizing Optical Fibers And Tomography", Proc. SPIE 0566, Fiber Optic and Laser Sensors III, (3 January 1986); https://doi.org/10.1117/12.949787

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