A technique is presented by which holograms can be recorded when an object or scene is scanned with an optically heterodyned Fresnel zone pattern. The experimental setup, based on optical scanning holography, is described and experimental results are presented. We apply the scanning holography technique to three-dimensional reflective objects for the first time to our knowledge and address the unique requirements for such a system. We discuss holographic recording and numerical image reconstruction using a system point-spread function (PSF) approach. We demonstrate numerical image reconstruction of experimentally recorded holograms by two techniques: deconvolution with a simulated PSF and an experimentally acquired PSF.
© 2001 Optical Society of America
(090.1760) Holography : Computer holography
(100.3020) Image processing : Image reconstruction-restoration
(100.6890) Image processing : Three-dimensional image processing
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(140.3460) Lasers and laser optics : Lasers
Bradley W. Schilling and Glen C. Templeton, "Three-Dimensional Remote Sensing by Optical Scanning Holography," Appl. Opt. 40, 5474-5481 (2001)