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Optical Engineering

Reflective tomography in random scattering media by continuous-wave broadband electronic holography
Author(s): Hai-Pang Chiang
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Paper Abstract

Without mechanical scanning in the transverse direction, we selectively extract image slices from an object hidden behind random scattering media with an inexpensive, easy-to-operate, cw superluminescent laser diode, a CCD camera, and broadband electronic holography. System sensitivity is about 10-10 of the incident optical power. An efficient image processing algorithm is developed to eliminate the effect of phase noise in the electronic holography and enhance the recovered image. Submillimeter spatial resolution and 40-mm depth resolution is achieved. The SNR is limited by the dynamic range of the CCD camera.

Paper Details

Date Published: 1 February 1996
PDF: 4 pages
Opt. Eng. 35(2) doi: 10.1117/1.600896
Published in: Optical Engineering Volume 35, Issue 2
Show Author Affiliations
Hai-Pang Chiang, National Taiwan Univ. (China)


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