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Related Experiment Video

Updated: May 29, 2026

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors

Published on: June 23, 2018

Reconfigurable imaging systems using elliptical nanowires.

Ethan Schonbrun¹, Kwanyong Seo, Kenneth B Crozier

¹Rowland Institute for Science, Harvard University , 100 Edwin H. Land Boulevard, Cambridge, Massachusetts 02142, United States. schonbrun@rowland.harvard.edu

|September 20, 2011

Summary

This summary is machine-generated.

Subwavelength nanostructured silicon lenses dynamically reconfigure imaging properties based on light polarization. This enables novel optical systems like nonmechanical zoom and stereoscopic imaging without moving parts.

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Area of Science:

Optics and Photonics
Materials Science
Nanotechnology

Background:

Bulk optical materials have limitations in design flexibility.
Subwavelength structured materials offer new degrees of freedom for optical systems.

Purpose of the Study:

To demonstrate novel lenses with dynamically reconfigurable imaging properties.
To showcase polarization-encoded focusing functions within single optical elements.

Main Methods:

Fabrication of lenses using lithographically patterned arrays of elliptical silicon nanowires.
Utilizing subwavelength structures to control light-matter interactions.

Main Results:

Developed a nanowire lens with polarization-dependent focal lengths, enabling nonmechanical zoom.
Created a second nanowire lens with polarization-dependent optical axes for stereoscopic imaging.

Conclusions:

Subwavelength nanostructures provide advanced control over optical properties.
Polarization-encoded functions in single lenses open avenues for compact and versatile optical systems.