Accession Number : AD0829280

Title :   RESEARCH ON NEW TECHNIQUES IN ABSORPTION AND EMISSION SPECTROSCOPY.

Descriptive Note : Quarterly progress rept. no. 9, Nov 67-Jan 68,

Corporate Author : LOUISIANA STATE UNIV BATON ROUGE

Personal Author(s) : Barnes, M. ; Woodward, C. ; Truitt, D. ; Robinson, J. W.

Report Date : FEB 1968

Pagination or Media Count : 43

Abstract : A laser has been used to stimulate IR emission from organic compounds. Using a simple experimental system, it has been found possible to detect about 20 micrograms of gaseous organic material. Using a laser beam of wavelength 10.6 microns, IR emission at wavelengths as low as 3.3 microns were observed. This would require 4 photon collision on conventional theory. The mechanism of excitation is not clearly understood. Emission spectra in the ultra violet have been observed when organic compounds are put into an Rf plasma. Emission characteristics of C-P, C-O, C-halogen and S-H bands were observed. (Author)

Descriptors :   (*LASERS, ABSORPTION), (*INFRARED SPECTROSCOPY, ORGANIC COMPOUNDS), INFRARED SPECTRA, METHANE, ETHANOLS, ULTRAVIOLET SPECTRA, VISIBLE SPECTRA, EXCITATION, HALOGEN COMPOUNDS, CHEMICAL BONDS, GASES, PHOTONS, INTERACTIONS, DETECTION, SENSITIVITY.

Subject Categories : Lasers and Masers
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE