Patent ID: 6046798
Filing Date: 2000-04-04
Classification: G02B

Abstract:
A method for acquiring information about an end face of at least one optical fiber end, said method comprising generating a fiber image for a fiber end in at least one plane of observation, providing at least two measurement windows offset from one another in the plane of observation in a direction transverse to the longitudinal direction of the fiber image, moving the fiber and measurement windows relative to each other so that a different location of an edge of the fiber image formed by the end face crosses each of the measurement windows, registering an intensity value of each measurement window as the fiber and measurement windows are moved relative to each other, the intensity value of each measurement window being summed up as a sum intensity value at different displacement locations during the motion of the fiber relative to the measurement windows, and deriving the information about the end of the fiber based on comparing the sum intensity values of the at least two measurement windows and by determining the changes in the sum intensity of each measuring window.