Title :
H2-blocking in Yb-doped fiber through pump excitation to enhance photodarkening resistivity
Author :
Pal, Arnab ; Saha, Mousumi ; Dhar, Anirban ; Sen, Rahul
Author_Institution :
Fiber Opt. & Photonics Div., Central Glass & Ceramic Res. Inst., Kolkata, India
Abstract :
The enhancement of photodarkening resistivity as high as 95% is achieved through H2-treatment of Yb-doped fiber, irrespective of Yb-concentration. H2-blocking employing the pump excitation in the fiber indicates negligible photodarkening even after post-diffusion of interstitial-H2.
Keywords :
optical fibres; optical pumping; photochromism; ytterbium; H2-blocking; H2-treatment; Yb-concentration; Yb-doped fiber; interstitial-H2; photodarkening resistivity enhancement; post-diffusion; pump excitation; Conductivity; Fiber lasers; Laser excitation; Photochromism; Pump lasers; Radiation effects; Temperature measurement;
Conference_Titel :
Lasers and Electro-Optics Europe (CLEO EUROPE/IQEC), 2013 Conference on and International Quantum Electronics Conference
Conference_Location :
Munich
Print_ISBN :
978-1-4799-0593-5
DOI :
10.1109/CLEOE-IQEC.2013.6801359
