Citation
H. SATO and E. TSUCHIDA, "Theoretical analysis of the dynamic behavior of a fast axial flow CO2 laser amplifier," in Conference on Lasers and Electro-Optics, D. Pinnow and P. Moulton, eds., Vol. 7 of OSA Technical Digest (Optica Publishing Group, 1988), paper FD5.https://opg.optica.org/abstract.cfm?URI=CLEO-1988-FD5
Abstract
A fast-axial-flow (FAF) CO2 laser is one of the promising systems for high-power sources for machinery, welding, and medicine. We have experimentally observed temporal decrease of the amplified power after discharging plasma tubes within a few minutes in the FAF CO2 laser amplifier.1 We first theoretically analyze the power decrease Δ\ transient time to have stable output tst, and the small-signal gain γ by taking account of the gas flow velocity, discharge current, input intensity, and plasma length into the gain constant. Then the theoretical estimates of ΔP, tst, and γ are compared with the experimentally obtained results in the FAF (500-W class) amplifier.
© 1988 Optical Society of America
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