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Elastomer based tunable optofluidic devices.

Wuzhou Song1, Andreas E Vasdekis, Demetri Psaltis

  • 1School of Engineering, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland.

Lab on a Chip
|August 7, 2012
PubMed
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This review explores tunable optofluidic devices using polydimethylsiloxane (PDMS) elasticity. Mechanical forces deform PDMS, altering optical properties and inducing flow for advanced device control.

Area of Science:

  • Optofluidics
  • Materials Science
  • Mechanical Engineering

Background:

  • Optofluidic devices integrate photonics and microfluidics for diverse applications.
  • Tunability in optofluidic devices is crucial for advanced control and functionality.
  • Polydimethylsiloxane (PDMS) offers unique elastic properties suitable for mechanical tuning.

Purpose of the Study:

  • To review recent advancements in tunable optofluidic devices.
  • To highlight the role of material elasticity, specifically PDMS, in device tunability.
  • To categorize different mechanical tuning methods in optofluidics.

Main Methods:

  • Discussing devices where tunability is achieved through the elasticity of materials like PDMS.
  • Summarizing tuning methods based on bulk or membrane deformations.

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  • Exploring pneumatic actuation as a mechanism for tuning optofluidic devices.

    • Main Results:

    • Elasticity of materials like PDMS enables mechanical tuning of optofluidic devices.
    • Deformation of elastomeric components by external or internal forces alters optical properties.
    • Mechanical forces can directly induce or modify fluid flow within the devices.

    Conclusions:

    • Material elasticity, particularly PDMS, is a key enabler for tunable optofluidic devices.
    • Mechanical deformation offers versatile pathways for controlling optofluidic device performance.
    • Future optofluidic devices can leverage elastomeric properties for enhanced functionality and integration.