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Digitally tunable microfluidic optical fiber devices

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6 Author(s)
F. Cattaneo ; Bell Labs., Murray Hill, NJ, USA ; K. Baldwin ; Shu Yang ; T. Krupenkine
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This communication introduces a digital design for tunable microfluidic optical fiber devices. In these systems, multiple, independently controlled microfluidic plugs are pumped into or out of overlap with a fiber structure to modulate its transmission characteristics. The devices described here use eight plugs, eight electrowetting pumps and a corresponding set of molded planar recirculating microchannels to control the depth of the narrowband loss feature associated with a long period fiber grating. Optical measurements illustrate the digital and relatively fast operation of this type of microfluidic fiber device.

Published in:

Journal of Microelectromechanical Systems  (Volume:12 ,  Issue: 6 )