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Optical Design of a Miniature Fourier Transform Lens System for a Hybrid Digital-Optical Correlator
journal contribution
posted on 2023-06-08, 06:51 authored by Phil BirchPhil Birch, Gongde Li, Frederic Claret-Tournier, Rupert YoungRupert Young, David Budgett, Chris ChatwinChris ChatwinThe availability of high resolution spatial light modulators (SLMs) and modern digital signal processors (DSPs) allows a convenient hybridization of digital and optical image processing to produce a small and compact correlator system. The hybridization allows the optical Fourier transform lens system for a correlator to be compact, such that it will fit inside a conventional PC. We describe the design of the optical system. © 2002 Society of Photo-Optical Instrumentation Engineers.
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Publication status
- Published
Journal
Optical EngineeringISSN
0091-3286External DOI
Issue
7Volume
41Page range
1650-1654Pages
5.0Department affiliated with
- Engineering and Design Publications
Notes
This was EPSRC funded (GR/L90774/01) work which describes the development of an optical Fourier transforming lens. This was part of the hybrid correlator system invented in our group and has been further developed by the IIT (joby@physics.iitd.ernet.in), and Richard Hartman of AOS Inc (hartman@aos-inc.com). I describe how the system was built to produce a multi-resolution Fourier transform system including collimation and SLM optics. The system has a small physical size and tight optical specification. Many optical elements performed dual uses (e.g. the part of the collimation optics are also part of the Fourier transform optics).Full text available
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Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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