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Nanomechanical Optical Fiber with Embedded Electrodes Actuated by Joule Heating.


ABSTRACT: Nanomechanical optical fibers with metal electrodes embedded in the jacket were fabricated by a multi-material co-draw technique. At the center of the fibers, two glass cores suspended by thin membranes and surrounded by air form a directional coupler that is highly temperature-dependent. We demonstrate optical switching between the two fiber cores by Joule heating of the electrodes with as little as 0.4 W electrical power, thereby demonstrating an electrically actuated all-fiber microelectromechanical system (MEMS). Simulations show that the main mechanism for optical switching is the transverse thermal expansion of the fiber structure.

SUBMITTER: Lian Z 

PROVIDER: S-EPMC5456168 | biostudies-other | 2014 Jul

REPOSITORIES: biostudies-other

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