Abstract
Matched filtering of megahertz-bandwidth signals by use of holograms
recorded in a photorefractive crystal is demonstrated. Holographic recording
of rapidly varying signals has heretofore been hampered by the relatively slow
response of photorefractive crystals. For the first time, to our knowledge,
synchronization between waveforms and short optical sampling pulses is used
with acousto-optic electrical-to-optical conversion to build up static
holograms of rf waveforms in a SBN crystal. Readout with a continuous input
signal yields a time-resolved correlation with stored waveforms.
© 1997 Optical Society of America
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