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An electromagnetically actuated fiber optic switch using magnetized ferromagnetic materials

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Title: An electromagnetically actuated fiber optic switch using magnetized ferromagnetic materials
Author: Pandojirao-Sunkojirao, Praveen; Dhaubanjar, Naresh; Phuyal, Pratibha C.; Chiao, Mu; Chiao, J.-C.
Subject Keywords Optical switch, MEMS, MOEMS, magnetized, magneto optical
Issue Date: 2007
Publicly Available in cIRcle 2011-11-09
Publisher Society of Photo-Optical Instrumentation Engineers
Citation: Citation Praveen Pandojirao-S, Naresh Dhaubanjar, Pratibha C. Phuyal, Mu Chiao and J.-C. Chiao, "An electromagnetically actuated fiber optic switch using magnetized ferromagnetic materials", Proc. SPIE 6836, 683616 (2007); doi:10.1117/12.758063
Abstract: This paper presents the design, fabrication and testing of a fiber optic switch actuated electromagnetically. The ferromagnetic gel coated optical fiber is actuated using external electromagnetic fields. The ferromagnetic gel consists of ferromagnetic powders dispersed in epoxy. The fabrication utilizes a simple cost-effective coating setup. A direct fiberto-fiber alignment eliminates the need for complementary optical parts and the displacement of fiber switches the laser coupling. The magnetic characteristics of magnetized ferromagnetic materials are performed using alternating gradient magnetometer and the magnetic hysteresis curves are measured for different ferromagnetic materials including iron, cobalt, and nickel. Optical fiber switches with various fiber lengths are actuated and their static and dynamic responses for the same volume of ferromagnetic gel are summarized. The highest displacement is 1.345 mm with an input current of 260mA. In this paper, the performance of fiber switches with various coating materials is presented. Copyright 2007 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Affiliation: Mechanical Engineering, Dept of
URI: http://hdl.handle.net/2429/38907
Peer Review Status: Reviewed
Scholarly Level: Faculty

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