13 September 1989 Coherent Sub-Aperture Ultraviolet Imagery
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Abstract
Laboratory targets have been imaged by a multi-sub-aperture, coherent receiver technique in which a common local oscillator illuminates the sub-aperture array to preserve both phase and intensity information. The target, receiver and range dimensions were chosen such that each sub-aperture was smaller than the speckle size. Various targets were illuminated by microsecond pulses from an e-beam pumped XeF power amplifier, which was seeded by a coherent ultraviolet beam generated with a frequency doubled visible dye laser. Data is presented showing comparisons between the coherent multi-sub-aperture approach and conventional, full aperture photography of the same target(s).
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
R. G. Morton, R. G. Morton, W. J. Connally, W. J. Connally, K. Avicola, K. Avicola, D. Monjo, D. Monjo, T. Olson, T. Olson, C. Buczek, C. Buczek, } "Coherent Sub-Aperture Ultraviolet Imagery", Proc. SPIE 1103, Laser Radar IV, (13 September 1989); doi: 10.1117/12.960573; https://doi.org/10.1117/12.960573
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