Laser And Microwave Induced Breakdown Spectroscopy: Basis for a New Detection Technique for Chemical and Biological Agents
Abstract
Laser-induced breakdown in air and solutions is a well-investigated phenomenon. The emission spectra are primarily atomic spectra of gases from air and volatilized metallic and other ions. Microwave-induced breakdown in solution has recently been observed. To accomplish the latter efficiently, a soluble organic semi-conductor must be added to solutions exposed to high power microwave pulses. When these same solutions were exposed to laser and microwave-induced breakdown conditions, peaks associated with atomic spectra and the organics were observed in both. However, some unique peaks were found in the microwave-induced breakdown. Therefore, cavitation generated by either laser or microwave pulses is anticipated to generate spectra analytical for specific chemical and biological agents.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 2001
- Accession Number
- ADA638510
Entities
People
- B. Rockwell
- D. Barrett Hardin
- D. Eikum
- G. Noojin
- J. Alls
- J. Kiel
- Jim Williams
- P. Morales
- R. Seaman
- R. Sutter
- Rintu Thomas
- S. Mathur
Organizations
- Air Force Research Laboratory