Title :
Erasure of frequency doubling gratings in optical fibres by ultraviolet light excitation
Author :
Carvalho, I.C.S. ; Margulis, W. ; Lesche, B.
Author_Institution :
Dept. of Phys., Pontificia Univ. Catolica do Rio de Jameiro, Brazil
Abstract :
By exposing a frequency doubling fibre to UV light at 266 nm wavelength the second harmonic generation conversion efficiency of the fibre is found to drop exponentially except for long exposure times. The decay rate is found to depend linearly on the UV light power.
Keywords :
frequency multipliers; optical fibres; optical harmonic generation; 266 nm; SHG; UV light; decay rate; frequency doubling fibre; frequency doubling grating erasure; optical fibres; second harmonic generation conversion efficiency; ultraviolet light excitation;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910940
