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Dielectrophoretically tunable optofluidic devices
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DOI：10.1088/0022-3727/46/48/483001.png)
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Abstract
En 中文
Tunable optofluidic devices exhibit some unique characteristics that are not achievable in conventional solid-state photonic devices. They provide exciting opportunities for emerging applications in imaging, information processing, sensing, optical communication, lab-on-a-chip and biomedical engineering. A dielectrophoresis effect is an important physical mechanism to realize tunable optofluidic devices. Via balancing the voltage-induced dielectric force and interfacial tension, the liquid interface can be dynamically manipulated and the optical output reconfigured or adaptively tuned in real time. Dielectrophoretically tunable optofluidic devices offer several attractive features, such as rapid prototyping, miniaturization, easy integration and low power consumption. In this review paper, we first explain the underlying operation principles and then review some recent progress in this field, covering the topics of adaptive lens, beam steering, iris, grating, optical switch/attenuator and single pixel display. Finally, the future perspectives are discussed.
Keywords:
ADAPTIVE LIQUID LENS
OPTICAL SWITCH
POLARIZER-FREE
BROAD-BAND
MICROLENS
VOLTAGE
MICROFLUIDICS
MANIPULATION
FABRICATION
DESIGN
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