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Intensive lasing on D’ - A’ transitions of BrF molecules (354.5 nm) excited by TEA-Discharge
Optics Communications ( IF 2.4 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.optcom.2020.126203
A.M. Razhev , D.N. Kapusta , E.S. Kargapol’tsev

Abstract In this work, high-power (peak power of more than 1 MW) UV lasing on D’–A’ transitions of interhalogen BrF* molecules (354.5 nm) is reported for the first time. To increase laser energy, Br2 molecule was first proposed as bromine donor in gas mixture of He:NF3:Br2. In this paper, the results of experimental studies of energy, spectral, temporal and spatial BrF-laser characteristics depending on excitation and composition parameters of the active medium are presented. As the result of these studies, the laser energy of about 13 mJ was first achieved with the optical pulse duration of about 10 ± 2 ns (FWHM).

中文翻译:

由 TEA 放电激发的 BrF 分子 (354.5 nm) 的 D' - A' 跃迁强烈激光

摘要 在这项工作中,首次报道了对卤素间 BrF* 分子 (354.5 nm) 的 D'-A' 跃迁的高功率(峰值功率超过 1 MW)紫外激光。为了增加激光能量,Br2 分子首先被提出作为 He:NF3:Br2 气体混合物中的溴供体。在本文中,介绍了取决于活性介质的激发和成分参数的能量、光谱、时间和空间 BrF 激光特性的实验研究结果。作为这些研究的结果,首先在大约 10 ± 2 ns (FWHM) 的光脉冲持续时间下实现了大约 13 mJ 的激光能量。
更新日期:2020-11-01
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