Abstract
A chemical H2–F2 laser (oscillator and amplifier) initiated by means of IR radiative excitation of vibrational levels of HF molecules is studied under the conditions of development of a thermal-branched chain reaction caused by thermal dissociation of gaseous additions to the laser mixture. It is shown that, using F2SO3 addition at a partial pressure of 40 Torr, an H2–F2 laser with a mixture pressure of 1~bar initiated by a pulsed hydrogen fluorine laser can provide an output exceeding 120–200 J/liter in 20–50 ns laser pulses.
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Igoshin, V.I., Pichugin, S.Y. & Stukalina, I.L. HF Laser Based on Thermal- and Photon-Branched Chain Reactions Initiated by IR Laser Radiation. Journal of Russian Laser Research 23, 395–408 (2002). https://doi.org/10.1023/A:1020461418918
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DOI: https://doi.org/10.1023/A:1020461418918