Optical output silicon retina chip

Albert H. Titus; Timothy J. Drabik

doi:10.1117/1.1586920

1 August 2003 Optical output silicon retina chip

Albert H. Titus, Timothy J. Drabik

Optical Engineering, Vol. 42, Issue 8, (August 2003). https://doi.org/10.1117/1.1586920

We describe a unique implementation of an optical-in/optical-out focal plane processor whose functionality is derived from a biological retina. The retina chip has increased control over the output through a novel differential difference amplifier and a clocked analog scheme. Processing is done on-chip to produce an edge-detected version of the optical input signal. However, the output signal is also optical, enabled by a liquid crystal spatial light modulator on the chip. We present experimental results from a 19×19 array and demonstrate how the edge information can be controlled on-chip and read out in parallel from each processing cell.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Albert H. Titus and Timothy J. Drabik "Optical output silicon retina chip," Optical Engineering 42(8), (1 August 2003). https://doi.org/10.1117/1.1586920

Published: 1 August 2003

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