Fourier Transform Optical Imaging Using SAW Memory-Correlator
- 1 January 1978
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 17 (S1) , 113
- https://doi.org/10.7567/jjaps.17s1.113
Abstract
A novel optical imaging method by using a memory-correlator in which a laser pulse acts to store wideband surface wave signals in surface states of a semiconductor is described. The Fourier transform technique is used to scan optical images by storing a chirp surface wave signal and an optical pattern simultaneously, which can improve a dynamic range and a signal-to-noise ratio in comparison with a single scan pulse method.Keywords
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