- pygrin.pygrin.image_distance(n_0, pitch, length, s)¶
Image distance for an object.
n_0 – index of refraction at center of grin lens [unitless]
pitch – pitch or period of the lens [unitless]
length – axial length of the lens [mm]
s – distance from front of lens to object [mm]
float – the image distance from the back of the lens [mm]