Discharge formation in a copper vapor laser: optimal pumping conditions

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DOI Доступ к ресурсу на сайте издателя			10.1088/1555-6611/ac32d5

Title: Discharge formation in a copper vapor laser: optimal pumping conditions
Creator: Yudin, Nikolay A.
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Baalbaki, H. A
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Nocheva, K. V.
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Smirnova, M. E.
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Yudin, Nikolay N.
Date: 2021
DOI: 10.1088/1555-6611/ac32d5
Description: The electrophysical process in the discharge circuit of a copper vapor laser (CVL) is investigated. It is shown that the pumping of the active medium of a CVL in gas-discharge tubes (GDT) with electrodes located in cold buffer zones is carried out in two stages. At the first (preparatory) stage, the capacitive components of the laser discharge circuit are charged from the storage capacitor, and at the second stage, the active medium is directly pumped. The transition from the preparatory stage to the pumping stage is carried out as a result of a breakdown. It is shown that breakdown is a transient process of discharge development from a glowing to a non-thermal arc discharge and is characterized by a sharp change in the cathode potential drop across the GDT. The inductance of the discharge circuit is a factor that determines the efficiency of pumping the active medium since the release of the energy stored in the inductance at the preparatory stage provides heating of the cathode spot and determines the conditions for the occurrence of thermal emission of electrons from the GDT cathode.

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collection(s): Радиофизический факультет | Факультет инновационных технологий | Научное управление
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Laser physics. 2021. Vol. 31, № 12. P. 25001 (1-8)
Language: eng

Created: 11-04-2022

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Радиофизический факультет Discharge formation in a copper vapor laser: optimal pumping conditions