We report on fiber Bragg gratings in all-solid photonic bandgap fiber that was composed of a triangular array of high-index Ge-doped rods in pure silica backgro
To solve the problem that most of existing layered multicast protocols cannot adapt todynamic network conditions because their layers are coarsely granulated an
Synthesis of the optoelectronic storage material with structure for coating by nanosized metal and azo-dye was reported. The characterization of composites was