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12 September 2014 Evaluate the effective of annular aperture on the OTF for fractal optical modulator
Abdulrazak A. Mohammed
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Proceedings Volume 9219, Infrared Remote Sensing and Instrumentation XXII; 92190N (2014) https://doi.org/10.1117/12.2060778
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States
Abstract
The fractal optical modulator is the optical modulator design by using the fractal function. As well known there is an effect of aperture’s shape on the OTF signal for optical modulator. In present paper an aberration-free single annular aperture has used and the MTF characteristics responses investigate for fractal optical modulator of IR-Seeker. The annular aperture provide several frequency transmission bands within the region up to cut-off frequency. The result compared with the spatial frequency for circular shape of fractal optical modulator aperture.
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Abdulrazak A. Mohammed "Evaluate the effective of annular aperture on the OTF for fractal optical modulator", Proc. SPIE 9219, Infrared Remote Sensing and Instrumentation XXII, 92190N (12 September 2014); https://doi.org/10.1117/12.2060778
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KEYWORDS
Fractal analysis
Optical transfer functions
Optical modulators
Modulation transfer functions
Modulators
Spatial frequencies
Imaging infrared seeker
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