Adopt digital micromirror devise (DMD) for wavefront correction and wavefront sensing in adaptive optical system

Hong-Je Liu; Shu-Sheng Lee; Hsiang-Chieh Lee; Jiun-Woei Huang; Chih-Kung Lee

doi:10.1117/12.3010020

9 May 2024 Adopt digital micromirror devise (DMD) for wavefront correction and wavefront sensing in adaptive optical system

Hong-Je Liu, Shu-Sheng Lee, Hsiang-Chieh Lee, Jiun-Woei Huang, Chih-Kung Lee

Author Affiliations +

Proceedings Volume 12949, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2024; 129491A (2024) https://doi.org/10.1117/12.3010020
Event: SPIE Smart Structures + Nondestructive Evaluation, 2024, Long Beach, California, United States

Abstract

This study introduces an advanced Adaptive Optics (AO) technique employing a Digital Micromirror Device (DMD) for effective wavefront correction. The innovation lies in utilizing the DMD as a Spatial Light Modulator (SLM), marking a departure from traditional methods that mainly used Liquid Crystal on Silicon (LCoS) for this purpose. With its high resolution (912×1440 pixels) and ultra-fast response, the DMD enhances the system's efficiency in correcting optical aberrations. By applying the Lee Hologram Method within off-axis binary holography, our approach generates inverse wavefronts to counteract environmental distortions, thereby improving image clarity. The integration of a DMD-assisted Lateral Shearing Interferometer, which adjusts the incident light angle through wavefront modulation, accelerates optical path difference (OPD) measurement. Implementing a Five-Step Phase Shifted Method for both X and Y directional fringe patterns facilitates rapid phase retrieval. This process, crucial for reconstructing and correcting wavefront aberrations, leverages the differential phase information from the Lateral Shearing Interferometer. Our experimental results affirm the system's effectiveness in not only rectifying wavefront distortions but also in showcasing the enhanced performance capabilities brought forth by the DMD-assisted Lateral Shearing Interferometer.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Hong-Je Liu, Shu-Sheng Lee, Hsiang-Chieh Lee, Jiun-Woei Huang, and Chih-Kung Lee "Adopt digital micromirror devise (DMD) for wavefront correction and wavefront sensing in adaptive optical system", Proc. SPIE 12949, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2024, 129491A (9 May 2024); https://doi.org/10.1117/12.3010020

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available