Fast, Compact, Autonomous Holographic Adaptive Optics

Abstract

We present a closed-loop adaptive optics system based on a holographic sensing method. The system uses a multiplex holographic recording of the response functions of each actuator in a deformable mirror. By comparing the output intensity measured in a pair of each photodiodes, the absolute phase can be measured in a pair of each actuator location. From this a feedback correction signal applied to the input beam without need for a computer.

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Document Details

Document Type
Technical Report
Publication Date
Apr 11, 2014
Accession Number
AD1025289

Entities

People

  • Fassil Ghebremichael
  • Geoff Andersen
  • Paul Gelsinger-austin
  • Phani Gaddipati
  • Ravi Gaddipati

Organizations

  • United States Air Force Academy

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Sensors

DTIC Thesaurus Topics

  • Actuators
  • Adaptive Optics
  • Air Force
  • Avalanche Photodiodes
  • Computers
  • Curvature
  • Deformable Mirrors
  • Detection
  • Detectors
  • Diffraction
  • Electronics
  • Geometry
  • Holograms
  • Holographic Optical Elements
  • Mirrors
  • Optics
  • Plane Waves

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.
  • Robotics and Automation.

Technology Areas

  • Directed Energy