Application of Ionic Polymer Metallic Composite in Variable Optical Attenuator
Date Issued
2011
Date
2011
Author(s)
Chen, Yu-Da
Abstract
Ionic-polymer-metallic composite (IPMC) can be actuated by low voltage and be bended gradually with increasing driving voltage. We used IPMC as a variable optical attenuator (VOA) in free space configuration. We measured the insertion loss, optical attenuation range, polarization dependent loss (PDL), wavelength dependent loss (WDL), and response time. We concluded that our IPMC can be actuated by less than two volts. The surface roughness of our IPMC was about 0.66 μm and the insertion loss was 2.89 dB, and optical attenuation range of our device is as great as 80 dB with 40 dB/volt resolution. The range of PDL is about from 0.1 dB to 0.6 dB. The wavelength dependent loss is from 0.15 dB to 0.85 dB in the wavelength range from 1527 nm to 1563 nm. Response time and relaxation time of the device are about 0.5 second and 0.3 second. The actuation voltage was 2 volts and the power consumption was 5.78 mW.
Subjects
Ionic Polymer Metallic Composite
Variable Optical Attenuator
Type
thesis
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