Tzuo-Chang Lee, Jahja Trisnadi, Dana Taipale, Charles DePuy, R. Housey, Chris Karaguleff, Chung Lee, Danny Pyles, Stephen Redfield, John Stockton, Peter Van Kessel, T. Thompson, T. Visel
Tamarack's progress in integrating key holographic storage technologies will be discussed. Specifically, development of the holographic optical head, the 3D storage media and the image-wise data recovery techniques toward a 5 1/4 inch drive with 20 gigabytes user capacity will be reported.
This paper describes the analysis of holographic interferograms of turbulent flowfields, obtained from hypersonic shock tunnel evaluation tests of cooled, aero-optic window designs. Three different fringe analysis techniques -- phase shifting, spatial Fourier transform, and fringe tracking -- are compared and contrasted.
This paper describes recent aero-optical measurements in the LENS facility, to evaluate the turbulent flow field characteristics of model configurations in hypervelocity airflow. The AOEC instrumentation suited which utilizes visible and infrared light sources, a wide-band optical bus and refractive and radiative sensors is described. Validation studies with simple optical aperture configurations in high enthalpy flow are discussed. The aero-optical instrumentation used in these studies are described.
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