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.
© 2011 IEEE
PDF Article
More Like This
Cited By
You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.
Contact your librarian or system administrator
or
Login to access Optica Member Subscription