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Duduś A, Blue R, Uttamchandani D. Single-mode fiber variable optical attenuator based on a ferrofluid shutter. Appl Opt. 2015;54(8):1952-7doi: 10.1364/AO.54.001952.
Duduś, A., Blue, R., & Uttamchandani, D. (2015). Single-mode fiber variable optical attenuator based on a ferrofluid shutter. Applied optics, 54(8), 1952-7. https://doi.org/10.1364/AO.54.001952
Duduś, Anna, et al. "Single-mode fiber variable optical attenuator based on a ferrofluid shutter." Applied optics vol. 54,8 (2015): 1952-7. doi: https://doi.org/10.1364/AO.54.001952
Duduś A, Blue R, Uttamchandani D. Single-mode fiber variable optical attenuator based on a ferrofluid shutter. Appl Opt. 2015 Mar 10;54(8):1952-7. doi: 10.1364/AO.54.001952. PMID: 25968370.
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Appl Opt. 2015 Mar 10;54(8):1952-7. doi: 10.1364/AO.54.001952.

Single-mode fiber variable optical attenuator based on a ferrofluid shutter.

Applied optics

Anna Duduś, Robert Blue, Deepak Uttamchandani

PMID: 25968370 DOI: 10.1364/AO.54.001952

Abstract

We report on the fabrication and characterization of a single-mode fiber variable optical attenuator (VOA) based on a ferrofluid shutter actuated by a magnetic field created by a low voltage electromagnet. We compare the performance of a VOA using oil-based ferrofluid, with one VOA using water-based 12 ferrofluid, and demonstrate broadband optical attenuation of up to 28 dB with polarization dependent 13 loss of 0.85 dB. Our optofluidic VOA has advantages over MEMS-based VOAs such as simple construction and the absence of mechanical moving parts.

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