Vol. 9

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2009-08-18

Wide Range of Electrostatic Actuation MEMS Fpotf

By Nor Hafizah Ngajikin, Norazan Mohd Kassim, Abu Bakar Mohammad, and Gunawan Witjaksono
Progress In Electromagnetics Research C, Vol. 9, 155-169, 2009
doi:10.2528/PIERC09070902

Abstract

By employing Microelectromechanical system (MEMS) technology, Fabry Perot Optical Tunable Filter (FPOTF) with hybrid tuning mechanism, varying d and altering incident angle is presented. The proposed structure consists of a floating dual membrane FPOTF with capability to be tuned at different light incident angles. Three electrostatic cavities have been designed to perform this task independently. This technique is capable to increase the tuning range up to 2/3 of capacitance gap with additional doubly range of incident angle. Optic, mechanic and electrostatic analysis of the proposed structure has been validated by simulation. Analysis in optical performance shows the tuning range enhancement is about 1.92% for +/-2o mirror tilting at 6o initial angle compared to conventional dual beam MEMS FPOTF. This analysis validates the principle of hybrid tuning method.

Citation


Nor Hafizah Ngajikin, Norazan Mohd Kassim, Abu Bakar Mohammad, and Gunawan Witjaksono, "Wide Range of Electrostatic Actuation MEMS Fpotf," Progress In Electromagnetics Research C, Vol. 9, 155-169, 2009.
doi:10.2528/PIERC09070902
http://jpier.org/PIERC/pier.php?paper=09070902

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