Focusing fiber lenses are widely used in the photoelectronic imaging technique.In order to quickly calculate their imaging features and draw light paths

the imaging simulation software for those focusing fiber lenses with parabolic refractivity distribution is developed on the basis of MATLAB When the basic parameters of the fiber and object are input

the software can quickly calculate the fiber characteristic constant

focal length

image distance

image height and linear multiplying factor

and accurately draw the imaging light path.This work is conducive to the study and design of fiber imaging and to the teaching of photoelectronics techniques.