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HOLLOW-WAVEGUIDE DELIVERY SYSTEMS FOR HIGH-POWER, INDUSTRIAL CO2 LASERS

机译：高功率工业二氧化碳激光器的中波导流系统

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摘要

Hollow-sapphire and metal-dielectric-coated hollow-glass waveguides have been used to deliver CO2 laser power for industrial laser applications. The transmission, bending loss, and output-beam properties of these waveguides are described. The bore sizes of the hollow-sapphire waveguides were 1070 and 790 mu m, and the hollow-glass waveguide had a bore of 700 mu m. The waveguides ranged in length from 1.1 to 1.5 m. The sapphire waveguides were bent to 90 degrees, and the hollow-glass waveguides were bent into a full 360 degrees loop. We delivered a maximum of 1.8 kW through the 1070-mu m-bore sapphire waveguide and 1.0 kW through the hollow-glass waveguide. All the hollow waveguides incorporated a water jacket to prevent overheating. [References: 21]
机译：中空蓝宝石和金属介电涂层中空玻璃波导已用于为工业激光器应用提供CO2激光功率。描述了这些波导的传输，弯曲损耗和输出光束特性。中空蓝宝石波导的孔径为1070和790μm，中空玻璃波导的孔径为700μm。波导的长度范围为1.1至1.5 m。蓝宝石波导弯曲到90度，中空玻璃波导弯曲成完整的360度环路。我们通过1070微米孔径的蓝宝石波导提供的最大功率为1.8 kW，通过中空玻璃波导的最大功率为1.0 kW。所有空心波导都装有水套，以防止过热。 [参考：21]

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