Abstract:
An argon gas-discharge fiber laser is demonstrated for the first time. Laser generation at wavelengths of 2208 and 2397 nm corresponding to the 3d → 4p' transitions in argon atoms was achieved by using microwave radiation (2.45 GHz) to maintain the gas discharge in a revolver-type hollow-core fiber filled with a He–Ar gas mixture. The spectral and temporal characteristics of laser output radiation depending on pump power and gas mixture pressure were investigated.
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