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Related Experiment Video

Updated: Jun 20, 2026

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

Interferometric adaptive optics testbed for laser pointing, wave-front control and phasing.

K L Baker1, D Homoelle, E Utternback

  • 1Lawrence Livermore National Laboratory, Livermore, CA, USA. Baker7@llnl.gov

Optics Express
|September 23, 2009
PubMed
Summary
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An adaptive optics system effectively controlled beam pointing and wavefront quality for National Ignition Facility experiments. The system achieved high Strehl ratios, demonstrating its capability for precise laser beam manipulation in fusion research.

Area of Science:

  • Laser Physics
  • Optical Engineering
  • Plasma Physics

Background:

  • National Ignition Facility (NIF) requires precise control of laser beams for experiments.
  • Fast ignition and radiography experiments demand high beam pointing, phasing, and wavefront quality.

Purpose of the Study:

  • To test an interferometric adaptive optics testbed for controlling NIF beam parameters.
  • To quantify the effectiveness of a MEMS device in correcting beam aberrations.

Main Methods:

  • Experimental setup using an interferometric adaptive optics testbed.
  • Correction of piston, tip/tilt errors and phase plate aberrations.
  • Measurement of upstream and downstream aberrations for open-loop MEMS control.

Main Results:

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Related Experiment Videos

Last Updated: Jun 20, 2026

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
05:57

Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station

Published on: April 1, 2020

Bringing the Visible Universe into Focus with Robo-AO
10:35

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

  • Achieved a Strehl ratio of 0.83 correcting piston, tip/tilt errors for NIF geometry.
  • Achieved a Strehl ratio of 0.66 correcting phase plate aberrations relevant to ARC beamline simulations.
  • Demonstrated reduction in Strehl ratio loss due to pointing errors.

Conclusions:

  • The interferometric adaptive optics system successfully controls beam phasing and pointing.
  • The system effectively corrects higher-order beam aberrations for NIF applications.
  • The developed testbed validates adaptive optics capabilities for advanced laser facilities.