A. M. Razhev, D. S. Churkin, R. A. Tkachenko, I. A. Trunov
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UV Nitrogen Laser Pumped by a Pulsed Longitudinal Inductive-Electric Discharge
Electric discharge nitrogen lasers are popular sources of UV radiation commonly used in many scientific and practical applications. Up-to-date commercial nitrogen lasers should meet several requirements, such as small overall dimensions, high pulse-to-pulse stability, and long service life. In this work, a nitrogen laser excited by a pulsed longitudinal inductive-electric discharge which meets these criteria is suggested. As a result of the experimental studies, lasing at the wavelengths λ1 = 337.1 and λ2 = 357.7 nm is obtained. The generation energy attains 0.67 mJ at a pulse duration of 20 ns (FWHM) and a nitrogen pressure of 7–8 Torr. Nitrogen pumping only by a longitudinal discharge in an experimental setup with similar parameters decreases the lasing energy to 0.4 mJ (at the same pulse duration) at a nitrogen pressure of no higher than 5 Torr. Nitrogen lasers with these radiation parameters can be used in treatment of ophthalmic diseases and tuberculosis.
期刊介绍：
Atmospheric and Oceanic Optics is an international peer reviewed journal that presents experimental and theoretical articles relevant to a wide range of problems of atmospheric and oceanic optics, ecology, and climate. The journal coverage includes: scattering and transfer of optical waves, spectroscopy of atmospheric gases, turbulent and nonlinear optical phenomena, adaptive optics, remote (ground-based, airborne, and spaceborne) sensing of the atmosphere and the surface, methods for solving of inverse problems, new equipment for optical investigations, development of computer programs and databases for optical studies. Thematic issues are devoted to the studies of atmospheric ozone, adaptive, nonlinear, and coherent optics, regional climate and environmental monitoring, and other subjects.
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