Title :
Characteristics improvement of long-period fiber gratings fabricated by femtosecond laser pulses using novel positioning technique
Author :
Fujii, T. ; Fukuda, T. ; Ishikawa, S. ; Ishii, Y. ; Sakuma, K. ; Hosoya, H.
Author_Institution :
Opt. & Electron. Lab., Fujikura Ltd., Tokyo, Japan
Abstract :
A novel and precise positioning of focal point is developed to fabricate long-period fiber gratings by near-infrared femtosecond laser pulses. Low background loss of 0.26 dB, excellent transmission spectrum and highly controlled center wavelength are realized.
Keywords :
high-speed optical techniques; infrared spectra; laser materials processing; optical fibre fabrication; 0.26 dB; controlled center wavelength; fiber grating fabrication; focal point; near-infrared femtosecond laser pulses; novel positioning technique; transmission spectrum;
Conference_Titel :
Optical Fiber Communication Conference, 2004. OFC 2004
Conference_Location :
Los Angeles, CA, USA
Print_ISBN :
1-55752-772-5
