Title :
Microbend Gratings Fabricated in Glass Substrates via Direct Writing with Near-Infrared Femtosecond Pulses
Author :
Chung, Jung-Ho ; Gu, Yu ; Fujimoto, James G.
Author_Institution :
Massachusetts Inst. of Technol., Cambridge
Abstract :
Microbend gratings were fabricated inside bulk glass via direct writing with femtosecond pulses from a multi-pass-cavity Ti:S laser. Critical periods, with maximum transmission loss, existed and shifted with waveguide refractive index, like fiber microbend gratings.
Keywords :
diffraction gratings; high-speed optical techniques; laser materials processing; micro-optics; optical fabrication; optical losses; optical waveguides; refractive index; direct writing; fiber microbend gratings; glass substrates; multipass-cavity laser; near-infrared femtosecond pulses; transmission loss; waveguide refractive index; Fiber gratings; Fiber lasers; Glass; Optical fiber devices; Optical pulses; Optical sensors; Ultrafast electronics; Ultrafast optics; Waveguide lasers; Writing;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453393
