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Related Experiment Video

Updated: Jul 6, 2026

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

Deep nulling of visible laser light.

E Serabyn1, J K Wallace, G J Hardy

  • 1Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Mail Stop 171-113, Pasadena, California 91109, USA. gene.serabyn@jpl.nasa.gov

Applied Optics
|March 8, 2008
PubMed
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This summary is machine-generated.

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Nulling interferometry aims to detect exoplanets by dimming starlight. Experiments show deep nulling is feasible, achieving significant starlight suppression for planet detection.

Area of Science:

  • Astronomy and Astrophysics
  • Optical Interferometry

Background:

  • Nulling interferometry is a technique for dimming starlight to detect extrasolar planets.
  • High symmetry is required for effective starlight nulling, making the technique challenging.

Purpose of the Study:

  • To demonstrate the feasibility of deep nulling for direct exoplanet detection.
  • To present laboratory results using a rotational shearing interferometer.

Main Methods:

  • Utilized a rotational shearing interferometer in laboratory experiments.
  • Focused on achieving high levels of starlight suppression.

Main Results:

  • Successfully nulled red laser light to a part in 10^5.
  • Stabilized null leakage to a part in 10^4.

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In vivo Laser Axotomy in C. elegans
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Related Experiment Videos

Last Updated: Jul 6, 2026

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

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers
09:49

An Experimental Protocol for Femtosecond NIR/UV - XUV Pump-Probe Experiments with Free-Electron Lasers

Published on: October 23, 2018

In vivo Laser Axotomy in C. elegans
09:18

In vivo Laser Axotomy in C. elegans

Published on: May 19, 2011

Conclusions:

  • Deep nulling at levels required for direct planet detection is experimentally feasible.
  • The results support the advancement of nulling interferometry for exoplanet discovery.