Long-period gratings with high insensivity to external refractive index inscribed by using a CO.sub.2./sub. laser in fibers with parabolic-index cladding

CHOMÁT, M., ČTYROKÝ, J., BERKOVÁ, D., MATĚJEC, V., KAŠÍK, I., PROBOŠTOVÁ, J., TODOROV, F., JANČÁREK, A. Long-period gratings with high insensivity to external refractive index inscribed by using a CO₂ laser in fibers with parabolic-index cladding. In: SPIE Europe - Optics and Optoelectronics. Technical Abstracts Summaries. Bellingham: SPIE - The International Society for Optical Engineering, 2007, s. 6585.15--.