Pulsed Chemical Laser Science and Technology
Abstract
Research is described on a pulsed chemical laser operating on the reaction between hydrogen and fluorine at pressures above the second explosion limit. Laser energy density and efficiency are reported. The highest vibrational level observed to give laser action is v = 6, and it is concluded that rapid deactivation of the upper vibrational levels initial F-atom concentration required for good laser performance, overall electrical efficiencies of greater than 100% are predicted. Attempts have also been made to develop (1) fast yet accurate computer programs which contain the essential physics for the calculation of the vibration-relaxation cross section in an atom molecule collision, and (2) theoretical model of the propagation of a collimated pulsed laser beam in an absorbing medium. The energy absorbed by the medium causes heating, leading to an index-of-refraction change which causes a self- defocusing.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1973
- Accession Number
- AD0769040