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Intense Mirror-Less Pulsed Far-Infrared CH3F Emission Pumped with a TEA CO2 Laser

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Abstract

An efficient pulsed CH3F mirror-less cavity is presented. The output energy of the 192 μm far-infrared emission is studied as a function of gas pressure, cell length, and the pump intensity. Maximum pulse energy of 0.4 mJ is achieved from a 185-cm long gas cell at 6 Torr, and the photon conversion efficiency is 2.5 %. Characteristics of this mirror-less system and possibilities for higher output energy are also discussed.

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Acknowledgments

This work is partially supported by the Fundamental Research Funds for the Central Universities (Grant No.HIT.NSRIF.2014043) and the Funds for National Key Laboratory of Science and Technology on Tunable Laser.

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Correspondence to Yanchen Qu.

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Liu, C., Qu, Y., Zhao, W. et al. Intense Mirror-Less Pulsed Far-Infrared CH3F Emission Pumped with a TEA CO2 Laser. J Infrared Milli Terahz Waves 36, 513–519 (2015). https://doi.org/10.1007/s10762-015-0158-4

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  • DOI: https://doi.org/10.1007/s10762-015-0158-4

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