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Updated: May 29, 2026

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

Published on: April 8, 2018

Modified Shack-Hartmann sensor made with electrically controlled ferroelectric zone plates.

Roger S Cudney¹

¹Department of Optics, Centro de Investigación Científica y de Educación Superior de Ensenada, Carretera Ensenada-Tijuana 3918, Ensenada, BC 22860, Mexico. rcudney@cicese.mx

|September 22, 2011

Summary

A novel Shack-Hartmann wavefront sensor utilizes electrically controlled zone plates for wavefront sensing and image acquisition. This technology shows promise for enhancing astronomical images through Lucky Imaging techniques.

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Area of Science:

Optics and Photonics
Astronomy Instrumentation

Background:

Traditional Shack-Hartmann wavefront sensors require separate components for wavefront sensing and image acquisition.
Enhancing astronomical images often relies on advanced techniques like Lucky Imaging.

Purpose of the Study:

To present a modified Shack-Hartmann wavefront sensor.
To demonstrate its capability in enhancing astronomical images using Lucky Imaging.

Main Methods:

Development of a Shack-Hartmann sensor using an array of electrically controlled zone plates made of ferroelectric domains.
Integration of image acquisition camera for simultaneous wavefront sensing.
Experimental simulation of the sensor's application in Lucky Imaging.

Main Results:

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Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

Published on: August 15, 2018

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Last Updated: May 29, 2026

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

Published on: April 8, 2018

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

Published on: August 15, 2018

Successful demonstration of a modified Shack-Hartmann wavefront sensor.
Validation of its potential for enhancing astronomical images via Lucky Imaging simulation.

Conclusions:

The presented sensor design offers a dual function for image acquisition and wavefront sensing.
This integrated approach has significant potential for improving astronomical imaging quality.