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Numerical analysis of electrically tunable aspherical optofluidic lenses
Optics Express
|July 14, 2016
Summary
This study numerically simulates electrically tunable aspherical liquid lenses, quantifying their optical performance and spherical aberration compensation capabilities. The findings support their use in advanced optical systems.
Area of Science:
- Optics and Photonics
- Materials Science
- Fluid Dynamics
Background:
- Electrically tunable liquid lenses offer adaptable optical properties.
- Aspherical lens designs can improve optical performance.
- Previous experimental work established the foundation for this study.
Purpose of the Study:
- To numerically investigate the optical properties of electrically tunable aspherical liquid lenses using Zemax simulations.
- To calculate optical aberrations, focal length, and performance metrics.
- To demonstrate the potential for spherical aberration compensation.
Main Methods:
- Utilized Zemax for numerical simulations of liquid lens optical properties.
- Incorporated measured lens profiles under electric fields and device geometry.
- Calculated focal length, Zernike coefficients (Z11, Z4), MTF, Strehl ratio, and wavefront errors (PV, RMS).
Main Results:
- Focal length and spherical aberrations were calculated across various fluid pressures and electric fields.
- Performance metrics like MTF and Strehl ratio were quantified.
- The simulation results align with prior experimental findings.
Conclusions:
- The simulated aspherical liquid lenses exhibit tunable focal lengths and controllable aberrations.
- The device concept effectively compensates for significant spherical aberrations.
- Numerical simulations provide a valuable tool for optimizing liquid lens design.
