Wavefront Aberration Correction Using Zernike Polynomial Parameterizations of Optical Phased Arrays (PREPRINT)

Abstract

High performance laser communication systems require adaptive optics based wavefront correction systems to correct aberrations that result from imperfections in optical hardware and atmospheric conditions. Traditionally, deformable membrane mirrors are used for wavefront correction. These mirrors are bulky and require excessive amounts of power, both of which can be detrimental to a space application. Liquid crystal based optical phased arrays (OPAs) offer an attractive alternative to these traditional devices. This paper presents a method of correcting wavefront aberrations with an OPA device by utilizing phase reconstruction of point-source images and Zernike polynomial parameterizations of the OPA. Limitations of common OPA architectures that reduce the effectiveness of the proposed wavefront correction method will be discussed. A simulation will demonstrate the effectiveness of the proposed technique.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2007
Accession Number
ADA467283

Entities

People

  • Charles Hindman
  • Jeffrey A. Butterworth
  • Seth Lacy

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Air Platforms
  • Space

DTIC Thesaurus Topics

  • Air Force
  • Air Force Research Laboratories
  • Algorithms
  • Arrays
  • Beam Steering
  • Communication Systems
  • Crystals
  • Eigenvalues
  • Laser Communications
  • Liquid Crystals
  • Nonlinear Systems
  • Optics
  • Phased Arrays
  • Polynomials
  • Simulations
  • Steering
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Image Processing and Computer Vision.
  • Optical Physics and Photonics.
  • Systems Analysis and Design

Technology Areas

  • Directed Energy
  • Space