Abstract
A novel structure and principle of a tunable optical fiber filter is proposed, including a fiber Bragg grating loop mirror, an electromagnetic force based cantilever tuning unit, and a micro-displacement tuning unit. The electromagnetic force based cantilever tuning unit is used to change the pass band of the optical fiber filter, and the micro-displacement tuning unit is used to change the channel spacing of the comb filter within the pass band. The electromagnetic force is produced by an electromagnetic coil and permanent magnet element, and the micro-displacement driver includes a PZT piezoelectric ceramic and its driving circuit. Principles and structures are introduced. Theoretical and experimental results indicate the feasibility of the proposed idea. And some key problems about the cantilever and the PZT structure are discussed.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
