“…This paper describes a wide range of applications in opto-electronic component manufacture which have been laser processed using a CVL. micromachining and extensively reported over the past 20 years 1,2,3,4 . More recently, micromachining and fabrication of FBGs using the second harmonic of 511nm and 578nm, at 255nm and 289nm respectively, has also been presented 5,6,7 .…”