We have observed a positive change or refractive index and formation of waveguides in YAG:Cr4+ crystals, exposed to a high-intensity femtosecond laser beam. The technique is potentially suitable for fabrication of waveguide lasers in crystal materials.
© 2004 Optical Society of America
M. V. Dubov, L. Krushchev, I. Bennion, A. G. Okhrimchuk, and A. V. Shectakov, "Waveguide inscription in YAG:Cr4+ crystals by femtosecond laser irradiation," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper CWA49.
References are not available for this paper.