Multidither Adaptive Algorithms.

Abstract

A 37-element beryllium deformable mirror has been built, characterized, and incorporated into a Coherent Optical Adaptive Technology (COAT) system. Individual actuator deformation sensitivities of 0.2 microns/150 V have been measured. Mirror resonance data has been obtained indicating usable frequency ranges up to 30 to 40 kHz. Strehl ratios approaching 80% have been measured for system defocus, with COAT-off to COAT-on peak irradiance of 10. Auxilliary tracking with COAT-off to COAT-on peak irradiance of 10.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1977
Accession Number
ADA118526

Entities

People

  • J. E. Pearson
  • K. D. Price
  • K. M. Brown
  • Richard C. Lind
  • T. Calderone

Organizations

  • HRL Laboratories

Tags

Communities of Interest

  • Advanced Electronics
  • Human Systems

DTIC Thesaurus Topics

  • Ceramic Materials
  • Corrosion Resistance
  • Detectors
  • Fabrication
  • Frequency Response
  • Manufacturing
  • Materials
  • Measurement
  • Mechanical Properties
  • Mechanical Working
  • Mechanics
  • Modulus Of Elasticity
  • Phase Measurement
  • Reliability
  • Resonant Frequency
  • Tensile Strength
  • Three Dimensional

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.