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Updated: Mar 19, 2026

Fabrication and Testing of Microfluidic Optomechanical Oscillators
Published on: May 29, 2014
Stress-engineered optics: optomechanical design and performance
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Stress-engineered optics (SEOs) are optical elements in which external forces are applied to produce spatially varying retardance for polarization control in optical systems. We present and test an SEO housing design that has quantifiable system parameters that would allow us to create a specified value of the dimensionless stress parameter, c, in the SEO. We include two older SEO designs for completeness: (1) thermal compression and (2) set screws with a copper sleeve. We discuss two newly developed SEO designs: (3) cone-through-cylinder and (4) hydraulic pressure. The hydraulic pressure design has well-defined and quantifiable system parameters with the ability to measure input pressure on the optical window, producing a maximum stress parameter of 7.16π. The hydraulic pressure design has the potential to be a new test method, to our knowledge, for measuring stress optic coefficient of materials and its wavelength dependence.
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