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High power ns FIR Raman pulses in NH3 pumped by a short pulse tail-free CO2 oscillator

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Abstract

By using a short pulse CO2, tail free, broadband laser it is possible to produce a compressed, high power FIR pulse in a pure Raman system when a suitable pressure and Raman cell length are used. In this way we have obtained 4ns (70KW) emission around the sR(3,0) NH3 line pumped by 130 mJ (23ns) 9P20 CO2 line. More resonant transitions can be also compressed at a suitable high pressure also if they show a large optical pumping and cascade processes at low pressure.

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Authors and Affiliations

  1. IFAM-CNR, Via del Giardino 7, 56100, Pisa, Italy

    S. Marchetti, F. Botta (student) & R. Simili

Authors
  1. S. Marchetti
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  2. F. Botta
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  3. R. Simili
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Marchetti, S., Botta, F. & Simili, R. High power ns FIR Raman pulses in NH3 pumped by a short pulse tail-free CO2 oscillator. Int J Infrared Milli Waves 14, 1435–1443 (1993). https://doi.org/10.1007/BF02084417

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  • DOI: https://doi.org/10.1007/BF02084417

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