1. Central Laboratory of Optics , Kamionkowska 18, 03-805, Warsaw, Poland;2. Universidad de Santiago, Facultad de Fisica, Departamento de Fisica Aplicada, Laboratorio de Optica , Santiago de Comostela, Spain
Abstract:
A very simple formula for the image contrast dependence on the parameters of the imaging bundle of square cross-section fibers is derived for both ideally insulated and cross-talking fibers.