Properties of novel variable optical attenuator based on electrowetting microprisms

Chen Tao; Liang Zhong-Cheng; Qian Chen; Xu Ning

doi:10.7498/aps.59.7906

Abstract

A novel variable fiber optical attenuator (VFOA)using an electrowetting microprisms (EMPs) and and two self-focusing lenses is proposed . EMPs can change the wetting angle of solid-liquid interface technology by electronic control methods. The attenuation of the VFOA is analyzed by the theory and experimental measurements . Theoretical analysis and experimental results show that a good control effect of light attenuation in the small voltage range (such as 135—139 V),and the optical attenuation range can achieve in 2—60dB. With the merits of novel conception, easy production, low cost and simple structure, the device will be widely used in communications fields after the optimized design. Disadvantage of this device is high voltage, in order to reduce the operating voltage to achieve the purpose of actual use, screening of high dielectric constant material as the dielectric layer material is topic of future research.

Keywords:

Authors and contacts

1.
College of Optoelectronic Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

References

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Cited By

[1]	Yuan Y, Zou Y Z, Bao J F, Cao Z H, Wu X K 2004 Acta Optica Sinica 24 463(in Chinese)[袁野、邹勇卓、鲍俊峰、曹钟慧、吴兴坤 2004 光学学报 24 463]
[2]	Chen T, Liang Z C, Zhao R 2009 Proc. SPIE 7381 73811L
[3]	Kuiper S, Hendriks B H W 2004 Appl. Phys. Lett. 85 1128
[4]	Heikenfeld J, Steck A J 2005 Appl. Phys. Lett. 86 011105
[5]	Syed A R, Nabeel A R 2009 Optics Communications 282 1298
[6]	Syed A R, Nabeel A R 2009 IEEE Photonics Technology Letters 21 845
[7]	Neil R S, Don C A, Joseph W H , Jason H 2006 Optics Express 14 6557

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Catalog

Vol. 59, Issue 11 - 2010-06-05

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