Broad Bandwidth Lidar for Standoff Bioaerosol Size Distribution

Abstract

We are examining the possibility of using a broad bandwidth lidar system to estimate size distributions of aerosol clouds that may possess respirable biological particles. An optical parametric oscillator has been specially designed and fabricated for broad bandwidth operation in the 1.4 to 1.8 micrometer spectral region. We have determined the spectral bandwidth, output, and pumping power characteristics of this device as a potential lidar source. We have developed a Monte Carlo technique to analyze backscattering data that would result from our hyperspectral lidar. Lidar simulation results show good estimates of size distributions for respirable size aerosols.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2002
Accession Number
ADA436068

Entities

People

  • David L. Ligon
  • James B. Gillespie
  • Nicholas F. Fell Jr.
  • Paul M. Pellegrino

Organizations

  • United States Army Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Abstracts
  • Aerosols
  • Backscattering
  • Bandwidth
  • Biological Aerosols
  • Data Sets
  • Detection
  • Detectors
  • Energy Efficiency
  • Micrometers
  • Monte Carlo Method
  • Particle Size
  • Particles
  • Refractive Index
  • Scattering
  • Simulations
  • Standards

Fields of Study

  • Physics

Readers

  • Aerosol Science/Aerosol Physics
  • Image Processing and Computer Vision.
  • Optical Physics and Photonics.