Phase-only filters with improved signal to noise ratio
- 15 January 1989
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 28 (2) , 250-257
- https://doi.org/10.1364/ao.28.000250
Abstract
We introduce the notion of optimal phase-only filters (OPOFs) that yield improved signal to noise ratios (SNRs). We illustrate the improvement in SNR resulting from the use of OPOFs with the help of several analytical examples and simulation results.Keywords
This publication has 7 references indexed in Scilit:
- Distortion invariant pattern recognition with phase filtersApplied Optics, 1987
- Phase-Only Composite FilterOptical Engineering, 1987
- Adjustable gain and bandwidth light amplifiers in terms of distributed-feedback structuresJournal of the Optical Society of America A, 1987
- Applying the phase-only filter concept to the synthetic discriminant function correlation filterApplied Optics, 1985
- Additional Properties Of The Phase-Only Correlation FilterOptical Engineering, 1984
- Phase-only matched filteringApplied Optics, 1984
- Light utilization in optical correlatorsApplied Optics, 1982