Title : 
Photodarkening and Photobleaching of an Ytterbium-doped Silica Double-clad LMA fiber
         
        
            Author : 
Boullet, J. ; Manek-Hönninger, I. ; Cardinal, T. ; Guillen, F. ; Podgorski, M. ; Ermeneux, S. ; Doua, R. Bello ; Salin, F.
         
        
            Author_Institution : 
Univ. Bordeauxl, Talence
         
        
        
        
        
        
            Abstract : 
We studied the temporal behaviour of photodarkening in an Yb-doped LMA fiber and show photobleaching of the same fiber. The absorption spectra and the influence on the lasing properties are shown.
         
        
            Keywords : 
fibre lasers; infrared spectra; optical fibre cladding; optical saturable absorption; photochromism; silicon compounds; ultraviolet spectra; visible spectra; ytterbium; SiO2:Yb; absorption spectra; large mode area fiber; lasing properties; photobleaching; photodarkening; ytterbium-doped double-clad LMA fiber; Electromagnetic wave absorption; Fiber lasers; Laser excitation; Optical fiber couplers; Optical pulse generation; Photobleaching; Photochromism; Pulse amplifiers; Pump lasers; Silicon compounds;
         
        
        
        
            Conference_Titel : 
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
         
        
            Conference_Location : 
Baltimore, MD
         
        
            Print_ISBN : 
978-1-55752-834-6
         
        
        
            DOI : 
10.1109/CLEO.2007.4453532