NDLI: MD2 - A high-pressure pulsed CO<inf>2</inf>chemical transfer laser

Content Provider	IEEE Xplore Digital Library
Author	Poehler, T. Pirkle, J. Walker, R.
Copyright Year	1965
Abstract	The exothermic chain reactions between deuterium and fluorine were used to produce strong laser emission from carbon dioxide in a high-pressure pulsed transfer laser. The chemical chain reaction was initiated by flash photolysis of the reactive components. The active constituents were diluted in helium and premixed at temperatures of approximately -65°C to improve stability of the mixture. Peak-power outputs of 200 kW in pulses having duration of 30 μs have been observed in dilute mixtures at total pressures of one atmosphere. Energy outputs of up to 5 J, small signal-gain coefficients of 3 m^-1and a chemical efficiency of 3 percent based on total gas volume have been obtained in this system. The output power, laser pulse duration, and delay are strongly dependent on partial pressures of the diluents and degree of refrigeration of the mixture. A kinetic model of the system has provided values for the gain coefficient, pulse duration, time of maximum gain, and power output in good agreement with the experiment.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	83
Ending Page	93
Page Count	11
File Size	3850652
File Format	PDF
ISSN	00189197
Volume Number	9
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1973-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Chemical lasers Optical pulses Deuterium Carbon dioxide Temperature Stability Atmosphere Power generation Gas lasers
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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