Title :
Compact tunable FBG filters using Ni film heater and surface memory alloy (SMA) coil actuator
Author :
Nagaoka, S. ; Take, N. ; Tawa, Y. ; Ohba, Y. ; Takahashi, Y.
Author_Institution :
Takuma Nat. Coll. of Technol., Kagawa, Japan
Abstract :
We propose compact tunable fiber Bragg grating (FBG) filters using a Ni film heater coated on a FBG and an SMA coil actuator. We also demonstrate precise wavelength control of under 1 nm by supplying currents to the heater and SMA coil.
Keywords :
Bragg gratings; metallic thin films; optical communication equipment; optical fibre filters; optical tuning; wavelength division multiplexing; Ni; Ni film heater; Ni film heater coating; SMA coil actuator; compact tunable FBG filters; compact tunable fiber Bragg grating filters; fiber Bragg grating; precise wavelength control; surface memory alloy coil actuator; Actuators; Bragg gratings; Coils; Current supplies; Fiber gratings; Filters; Heating; Nickel alloys; Optical films; Optical surface waves;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.970792
