Diffractive filter design for SLMs in pattern recognition systems

Joseph Neil Mait; Joseph van der Gracht; Scott D. Sarama

doi:10.1117/12.160294

25 October 1993 Diffractive filter design for SLMs in pattern recognition systems

Joseph Neil Mait, Joseph van der Gracht, Scott D. Sarama

Proceedings Volume 1959, Optical Pattern Recognition IV; (1993) https://doi.org/10.1117/12.160294
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

In contrast to imaging and interconnect applications, which require fixed diffractive optical elements, applications such as optical image processing and target recognition require diffractive elements that can be altered dynamically in real-time and, therefore, require the use of spatial light modulators (SLMs). Present SLM technology, however, has limited modulation and space-bandwidth which affects system performance. We present techniques for designing diffractive filters for display on SLMs in coherent and incoherent pattern recognition systems.

Citation Download Citation

Joseph Neil Mait, Joseph van der Gracht, and Scott D. Sarama "Diffractive filter design for SLMs in pattern recognition systems", Proc. SPIE 1959, Optical Pattern Recognition IV, (25 October 1993); https://doi.org/10.1117/12.160294

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