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Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging

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Microlens array fabricated using electrohydrodynamic instability and surface properties.

You-Jin Lee¹, Young Wook Kim, Young-Ki Kim

¹Department of Information Display Engineering, Hanyang University, Seoul 133-791, South Korea.

|June 7, 2011

Summary

We developed a new method to create microlens arrays (MLA) using organic layers and electrohydrodynamic instability. This technique allows for easy control over polarization dependence, offering a fast and reliable fabrication process.

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Area of Science:

Optics and Photonics
Materials Science
Microfabrication

Background:

Microlens arrays (MLA) are crucial optical components used in various imaging and display applications.
Fabricating MLA with controlled polarization properties often involves complex and time-consuming methods.
Optically anisotropic organic materials offer unique properties for optical device fabrication.

Purpose of the Study:

To develop a novel, straightforward method for fabricating polarization-dependent and polarization-independent microlens arrays (MLA).
To investigate the use of electrohydrodynamic instability in optically anisotropic organic layers for MLA fabrication.
To demonstrate control over MLA polarization characteristics by manipulating surface alignment properties.

Main Methods:

Utilizing electrohydrodynamic instability in an optically anisotropic organic layer to induce anisotropic flow.
Patterning electrodes to guide the anisotropic flow and form lens profiles.
Controlling surface alignment properties of the organic layer to tune polarization dependence.

Main Results:

Successfully fabricated both polarization-dependent and polarization-independent microlens arrays (MLA).
Demonstrated that anisotropic flow, driven by electrohydrodynamic instability, dictates the lens profile.
Showcased facile control over MLA polarization behavior by adjusting surface alignment.

Conclusions:

The electrohydrodynamic instability of optically anisotropic organic layers provides a rapid, reliable, and scalable method for MLA fabrication.
This technique eliminates the need for traditional, intricate developing and molding processes.
The ability to easily control polarization dependence opens new avenues for advanced optical component design.