We have observed a positive change of 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.
|Title of host publication||Conference on Lasers and Electro-Optics 2004|
|Number of pages||2|
|Publication status||Published - 21 May 2004|
|Name||Trends in Optics and Photonics|