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The modulation transfer function (MTF) of an optical or electro-optical device is one of the most significant factors determining the image quality. Unfortunately, characterization of the MTF of the semiconductor-based focal plane arrays (FPA) has typically been one of the more difficult and error-prone performance testing procedures. Based on a thorough analysis of experimental data, a unified model...
A semi-analytical model has been developed for the estimation of the photoresponse of a photodiode-based CMOS active pixel sensor (APS). This model, based on a thorough analysis of experimental data, incorporates the effects of substrate diffusion as well as geometrical shape and size of the photodiode active area. It describes the dependence of pixel response on integration photocarriers and on conversion...
A semi-analytical model has been developed for the estimation of the photoresponse of a photodiode-based CMOS active pixel sensor (APS). This model, based on a thorough analysis of experimental data, incorporates the effects of substrate diffusion as well as geometrical shape and size of the photodiode active area. It describes the dependence of pixel response on integration photocarriers and on conversion...
The modulation transfer function (MTF) of an optical or electro-optical device is one of the most significant factors determining the image quality. Unfortunately, characterization of the MTF of the semiconductor-based focal plane arrays (FPA) has typically been one of the more difficult and error-prone performance testing procedures. Based on a thorough analysis of experimental data, a unified model...
This work describes a new approach to CMOS Image Sensors (CIS) characterization, based on the Submicron Scanning System (S-cube system). The S-cube system inherently enables two-dimensional responsivity map acquisition for CISs and provides a 2-D pixel Point Spread Function (PSF), 2-D pixel Modulation Transfer Function (MTF) and 2-D sensor crosstalk (CTK) measurements. The effectiveness and advantages...
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