The present invention disclosed a method to produce a regenerated fiber bragg grating of Ge-B co-doped photosensitive fiber utilizing CO2 laser annealing. Besides, the present invention also disclosed a CO2 laser annealing system to produce a…

A method to detect and characterize at least one defect in a specimen using an apparatus comprises steps of: generate a plurality of wave signals on the specimen , by using an impact source , for the wave signals to propagate within the specimen;…

Digital image processing techniques (DIP) have been widely used in various types of application recently. A variety of these techniques are now being used in many types of application area such as object classification, intelligent system, robotics