Accession Number:

ADA455839

Title:

Laser-Based Optical System for Reactive Radical Concentration Measurements in Plasmas and Flames

Descriptive Note:

Final technical rept. 1 May 2005-30 Apr 2006

Corporate Author:

DREXEL UNIV PHILADELPHIA PA

Personal Author(s):

• Fridman, Alexander

Report Date:

2006-08-01

Pagination or Media Count:

26.0

Abstract:

Defense University Research Instrumentation Program DURIP funding was used to assemble a multi-purpose optical diagnostic system for in-situ radical concentration measurements in plasma and combustion systems. The system was configured to allow two-dimensional measurements using a single wavelength of important radical concentrations in stationary or time-averaged plasma and flame conditions, to make simultaneous nanosecond-resolved single point measurements at this wavelength, and to collect one-dimensional information about the spectral lines in rotational bands for the species of interest. The system consisted of a NdYAG pumped optical parametric oscillator OPO, a Raman spectrometer, two intensified CCD cameras, and associated optics.

Descriptors:

• *PLASMAS(PHYSICS)
• *LASER APPLICATIONS
• *FLAMES
• *CONCENTRATION(CHEMISTRY)
• *MULTIPURPOSE
• OPTICS
• SPECTRAL LINES
• CHEMICAL RADICALS
• RAMAN SPECTROSCOPY
• INSTRUMENTATION
• COMBUSTION
• HIGH RESOLUTION
• FLUORESCENCE

Subject Categories:

• Lasers and Masers
• Plasma Physics and Magnetohydrodynamics
• Combustion and Ignition

Distribution Statement:

APPROVED FOR PUBLIC RELEASE