Patent ID: 6677591
Filing Date: 2004-01-13
Classification: G01M,G06T

Abstract:
A method for detecting defects in an optical device, the method comprising:obtaining the optical device, the optical device being a component of an optical communications system carrying information signals at a communications wavelength; applying infrared light to the optical device, the infrared light having a wavelength corresponding to the communications wavelength; obtaining an infrared image of the optical device while the optical device is transmitting the infrared light, the infrared image providing multidimensional data including positional values and intensity values corresponding to the infrared light leaking from the optical device; and, analyzing the infrared image to detect defects in the optical device causing the infrared light to leak from the optical device, wherein the image is a two-dimensional image defining positional values along a first axis, position values along a second axis and intensity values along a third axis.