SYMPOSIA PAPER Published: 01 January 1980
STP27510S

Real-Time Optical Processing: Automatized Optical Plotter and Interferometric Device for 3D-Imaging

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In this paper we are interested in reconstructing, by optical methods, a three-dimensional spatial distribution of a local parameter such as an attenuation coefficient or small differences in the refractive index of objects which are relatively transparent to electromagnetic energy.

We present a computer-controlled optical tracing system to produce the different-amplitude filters needed for the optical treatment and an interferometric device for scanning phase objects.

A new technique for coding image data allows the reconstruction of 3D-amplitude and phase objects to be performed without long and expensive numerical treatments.

Author Information

Landraud, AM
Laboratoire d'Optique, tour 13, Zème étage, Université P. et M. Curie, Paris Cedex, France
Clair, JJ
Ecole Nationale Supérieme de l'Electronique et de ser Applications, Cergy-Pontoise, Paris, France
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Details
Developed by Committee: E07
Pages: 238–250
DOI: 10.1520/STP27510S
ISBN-EB: 978-0-8031-4784-3
ISBN-13: 978-0-8031-0546-1