Title :
Moving fibre/phase mask-scanning beam technique for enhanced flexibility in producing fibre gratings with uniform phase mask
Author :
Cole, M.J. ; Loh, W.H. ; Laming, R.I. ; Zervas, M.N. ; Barcelos, S.
Author_Institution :
Optoelectron. Res. Centre, Southampton Univ., UK
fDate :
8/17/1995 12:00:00 AM
Abstract :
A new and flexible technique for producing photorefractive fibre gratings with a uniform phase mask is demonstrated. By slowly moving the fibre relative to the mask as the writing beam is scanned, wavelength shifts, pure apodisation and phase-shifted gratings can be achieved
Keywords :
diffraction gratings; optical fibre fabrication; phase shifting masks; photorefractive effect; apodisation; moving fibre/phase mask-scanning beam; phase-shifted gratings; photorefractive fibre gratings; production; uniform phase mask; wavelength shifts; writing;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19950986
