MICROWAVE DISCHARGE MAINTAINING IN THE HOLLOW CORE OPTICAL FIBERS FOR GAS FIBER LASERS

I. A. Bufetov; Буфетов И. А.; A. V. Gladyshev; Гладышев А. В.; S. M. Nefedov; Нефедов С. М.; A. F. Kosolapov; Косолапов А. Ф.; V. V. Velmiskin; Вельмискин В. В.; P. A. Goncharov; Гончаров П. А.; A. P. Mineev; Минеев А. П.

doi:10.31857/S2686740023020037

MICROWAVE DISCHARGE MAINTAINING IN THE HOLLOW CORE OPTICAL FIBERS FOR GAS FIBER LASERS

Authors: Bufetov I.A.¹, Gladyshev A.V.¹, Nefedov S.M.², Kosolapov A.F.¹, Velmiskin V.V.¹, Goncharov P.A.², Mineev A.P.²
Affiliations:
1. Prokhorov General Physics Institute of the Russian Academy of Sciences, Dianov Fiber Optics Research Center
2. Prokhorov General Physics Institute of the Russian Academy of Sciences
Issue: Vol 509, No 1 (2023)
Pages: 3-8
Section: ФИЗИКА
URL: https://ruspoj.com/2686-7400/article/view/651874
DOI: https://doi.org/10.31857/S2686740023020037
EDN: https://elibrary.ru/UOZEIC
ID: 651874

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Abstract

The minimal values of the electric 2.45 GHz microwave field, which are necessary to maintain a discharge in a number of noble gases (argon, neon, and helium) in optical fibers with hollow cores of small diameter up to 100 μm, have been measured for the first time. The minimal electric field values for all three gases are (2.5–2.8) kV/cm at a pressure of argon ~50 Torr, neon ~300 Torr, and helium ~500 Torr.

Keywords

hollow-core fibers, gas-discharge fiber laser, microwave discharge

About the authors

I. A. Bufetov

Prokhorov General Physics Institute of the Russian Academy of Sciences, Dianov Fiber Optics Research Center

Author for correspondence.
Email: iabuf@fo.gpi.ru
Russia, Moscow

A. V. Gladyshev

Prokhorov General Physics Institute of the Russian Academy of Sciences, Dianov Fiber Optics Research Center

Email: iabuf@fo.gpi.ru
Russia, Moscow

S. M. Nefedov

Prokhorov General Physics Institute of the Russian Academy of Sciences

Email: iabuf@fo.gpi.ru
Russia, Moscow

A. F. Kosolapov

Prokhorov General Physics Institute of the Russian Academy of Sciences, Dianov Fiber Optics Research Center

Email: iabuf@fo.gpi.ru
Russia, Moscow

V. V. Velmiskin

Prokhorov General Physics Institute of the Russian Academy of Sciences, Dianov Fiber Optics Research Center

Email: iabuf@fo.gpi.ru
Russia, Moscow

P. A. Goncharov

Prokhorov General Physics Institute of the Russian Academy of Sciences

Email: iabuf@fo.gpi.ru
Russia, Moscow

A. P. Mineev

Prokhorov General Physics Institute of the Russian Academy of Sciences

Email: iabuf@fo.gpi.ru
Russia, Moscow

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