Title :
Waveguide inscription in YAG:Cr /sup 4+/ crystals by femtosecond laser irradiation
Author :
Dubov, M.V. ; Khrushchev, I. ; Bennion, I. ; Okhrimchuk, A.G. ; Shestakov, A.V.
Author_Institution :
Photonics Res. Group, Aston Univ., Birmingham, UK
Abstract :
We have observed a positive change of refractive index and formation of waveguides in YAG:Cr/sup 4+/ crystals, exposed to a high-intensity femtosecond laser beam. The technique is potentially suitable for fabrication of waveguide lasers in crystal materials.
Keywords :
aluminium compounds; chromium; garnets; high-speed optical techniques; laser beam effects; laser materials processing; optical materials; optical waveguides; refractive index; yttrium compounds; YAG:Cr /sup 4+/ crystals; YAG:Cr/sup 4+/; YAl5O12:Cr; femtosecond laser irradiation; refractive index; waveguide inscription;
Conference_Titel :
Lasers and Electro-Optics, 2004. (CLEO). Conference on
Conference_Location :
San Francisco, CA
Print_ISBN :
1-55752-777-6
