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Lakshminarayanan, Vasudevan Calvo Padilla, María Luisa 2023-06-20T19:00:03Z 2023-06-20T19:00:03Z 1995-10 0740-3232 10.1364/JOSAA.12.002339 https://hdl.handle.net/20.500.14352/59081 http://dx.doi.org/10.1364/JOSAA.12.002339 http://www.opticsinfobase.org The spatial impulse response of a single variable-cross-section photoreceptor has been characterized assuming the incoming radiation to be an initial field propagating under confinement conditions inside the receptor. By application of Fourier analysis the total transfer function is determined. Both the outer and the inner segments are characterized as low-pass filters. The dependence of the transfer function on the modal parameter is analyzed. eng open access Incoherent spatial impulse response in variable-cross-section photoreceptors and frequency-domain analysis journal article