Title :
Free-space optical networks using diffractive and refractive micro-optics
Author :
Hall, Trevor J. ; Xu, L.Q. ; Jamieson, S. ; Dainty, P. ; Russ, K.B. ; Cherry, Simon R. ; Roberts, N.C. ; Walton, A.L.
Author_Institution :
King´´s Coll. London, UK
Abstract :
An optoelectronic matrix-matrix multiplier has been implemented using electronically addressed Spatial Light Modulators (SLMs) and Computer Generated Holographic optical interconnection elements (CGHs). The design and fabrication of the optical interconnection elements using both diffractive and refractive technologies is discussed along with an evaluation of device performance. The operation of the matrix-matrix multiplier as a Back Propagation neural network is presented along with an analysis of performance accuracy for a character recognition application
Keywords :
backpropagation; computer-generated holography; holographic optical elements; lenses; optical interconnections; optical neural nets; spatial light modulators; CGH optical interconnection elements; backpropagation neural network; character recognition; design; diffractive micro-optics; electronically addressed SLM; fabrication; free-space optical network; optoelectronic matrix-matrix multiplier; performance accuracy; refractive micro-optics;
Conference_Titel :
Holographic Systems, Components and Applications, 1993., Fourth International Conference on
Conference_Location :
Neuchatel
Print_ISBN :
0-85296-578-8
