Discharge physics investigation on rf-to-microwave excited gas lasers

ZhiGuo Lu; Aihua Gao; Xiaoyun Hu; Yinsui Zhou; Terence A. King

doi:10.1117/12.344121

7 August 1998 Discharge physics investigation on rf-to-microwave excited gas lasers

ZhiGuo Lu, Aihua Gao, Xiaoyun Hu, Yinsui Zhou, Terence A. King

Proceedings Volume 3549, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers II; (1998) https://doi.org/10.1117/12.344121
Event: Photonics China '98, 1998, Beijing, China

Abstract

In this paper, Xe and He-Ne atomic lasers and CO₂ molecular lasers excited by 30 MHz approximately 2 GHz frequency have been studied, and then put forward the key of getting high efficiency is how to control the electron energy of discharge space. In the mobility-dominated discharge space of Xe laser, the product of gas pressure and input power is constant. In He-Ne laser, the product of gas pressure and power supply frequency is a constant in plasma discharge space of the glass tube under the optimum laser output. As to the slab waveguide CO₂ laser, the center of discharge space is quasi-Faraday dark region. But to the high power CO₂ laser (flow gas) the discharge space is plasma. Since there demand much lower electron energy, and high density for CO₂ laser, only in discharge structure there are several designing schemes can be referenced.

Citation Download Citation

ZhiGuo Lu, Aihua Gao, Xiaoyun Hu, Yinsui Zhou, and Terence A. King "Discharge physics investigation on rf-to-microwave excited gas lasers", Proc. SPIE 3549, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers II, (7 August 1998); https://doi.org/10.1117/12.344121

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