Measurement of Quenching Rates of CO(a sup 3Pi, v=0) Using Laser Pump-and-Probe Technique

Abstract

Measurements are presented of rates of electronic quenching of CO(a, v=O) by several gases. A pump-and-probe technique is used; CO(a) is created by pumping the spin-forbidden (a-X) transition at 206 nm. Measured rate coefficients at room temperature are: k(sub Q)(CO) = 5.7 +/- 1.2, k(sub Q)(NO) = 17 +/- 6, k(sub Q)(N2) = 1.4 +/- 0.6, k(sub Q)(O2) = 6 +/- 2, k(sub Q)(H2) = 2.6 +/- 1.0, k(sub Q)(H2O) = 33 +/- 12 in units of 10(exp -11) cu cm/s.

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Document Details

Document Type
Technical Report
Publication Date
Nov 30, 1999
Accession Number
ADA409111

Entities

People

  • Ingrid J. Wysong

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Materials and Manufacturing Processes
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Air Force Research Laboratories
  • Cells
  • Coefficients
  • Detection
  • Dye Lasers
  • Electronic States
  • Flow
  • Laser Beams
  • Laser Induced Fluorescence
  • Lasers
  • Mass Flow
  • Measurement
  • Military Research
  • Partial Pressure
  • Peak Values
  • Vapor Pressure

Fields of Study

  • Physics

Readers

  • Analytical Mechanics
  • Molecular Photonics/Laser Physics

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers
  • Microelectronics