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Related Experiment Video

Updated: Jun 20, 2026

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Time gate, optical layout, and wavelength effects on ballistic imaging.

Saïd Idlahcen1, Loïc Méès, Claude Rozé

  • 1UMR 6614-CORIA, CNRS, Université et INSA de Rouen, BP12, Avenue de l'Université, 76801 Saint-Etienne du Rouvray Cedex, France.

Journal of the Optical Society of America. A, Optics, Image Science, and Vision
|September 2, 2009
PubMed
Summary

This study introduces a novel two-color experimental setup for ballistic imaging. It enhances object detection in scattering media by using spectral filtering for improved resolution and reduced noise.

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Area of Science:

  • Optics and Photonics
  • Image Processing
  • Materials Science

Background:

  • Distinguishing objects in scattering environments requires separating ballistic light from multiscattered light.
  • Optical Kerr gates, using carbon disulfide (CS(2)) cells, have been employed to reduce signal scrambling from multiple scattering.
  • Previous setups used single-wavelength beams, limiting noise reduction and resolution.

Purpose of the Study:

  • To develop a new two-color experimental setup for enhanced ballistic imaging.
  • To improve image resolution and reduce noise in dense or multidiffusive media.
  • To enable effective imaging where scattered light time delays exceed gate duration.

Main Methods:

  • Utilized a two-color experimental setup for ballistic imaging.

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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Last Updated: Jun 20, 2026

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
12:19

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

  • Generated a second harmonic for imaging while using the fundamental wavelength for optical Kerr gate switching.
  • Implemented spectral filtering for noise elimination, replacing traditional spatial filtering.

    • Main Results:

    • Achieved improved resolution in ballistic imaging compared to previous single-wavelength methods.
    • Successfully reduced noise originating from the pump pulse through spectral filtering.
    • Demonstrated suitability for imaging dense sprays and multidiffusive media.

    Conclusions:

    • The proposed two-color setup offers superior resolution and noise reduction for ballistic imaging.
    • Spectral filtering provides an effective alternative to spatial filtering for enhancing image quality.
    • This method is advantageous for imaging complex scattering environments like dense sprays.