Improvement in Scattered Light Rejection in Transmissometry Using Image Plane Vortex Phase Masks

Abstract

We experimentally demonstrate a 14 percent improvement in coherent-to-incoherent power ratio in a laser transmissometer utilizing a pinhole spatial filter by augmenting it with a vortex phase mask and beam block combination.

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Document Details

Document Type
Technical Report
Publication Date
Jan 16, 2024
Accession Number
AD1219554

Entities

People

  • Abbie T. Watnik
  • K. Peter Judd
  • Matthew B. Hart
  • Shawn Divitt
  • Tareik J. Jackson
  • Vasanthi Sivaprakasam
  • William F. Spruill

Organizations

  • United States Naval Research Laboratory

Tags

Fields of Study

  • Physics

Readers

  • Aerosol Science/Aerosol Physics
  • Combustion and Flow Dynamics.
  • Image Processing and Computer Vision.

Technology Areas

  • Directed Energy