Acta Optica Sinica, Volume. 1, Issue 5, 401(1981)
A laser diode/HOE pattern recognition system
A compact and rugged optical correlator is described. It employs a lensloss matched spatial filter that is formed at one wavelength. Correlation is performed with a laser diode at a second wavelength using an imaging lens in a scaling correlator topology.
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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. A laser diode/HOE pattern recognition system[J]. Acta Optica Sinica, 1981, 1(5): 401