Title :
Fibre Bragg reflectors written at 262 nm using a frequency quadrupled diode-pumped Nd3+:YLF laser
Author_Institution :
BT Labs., Ipswich, UK
fDate :
6/24/1993 12:00:00 AM
Abstract :
The first use of a diode-pumped frequency-quadrupled Nd3+:YLF laser to write gratings into photosensitive fibres is described. Writing times of a few tens of seconds are required to write gratings with reflectivities approaching 100%.
Keywords :
diffraction gratings; laser beam applications; mirrors; optical fibre fabrication; 262 nm; LiYF4:Nd; YLF:Nd 3+; fibre Bragg reflectors; frequency quadrupled diode-pumped Nd 3+:YLF laser; gratings; photosensitive fibres; writing time;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19930790