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RF-EXCITED CO2 WAVEGUIDE LASER WITH EXTENDED TUNING RANGE
RF-EXCITED CO2 WAVEGUIDE LASER WITH EXTENDED TUNING RANGE
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机译:具有扩展调谐范围的RF激励CO2波导激光
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摘要
A high pressure CO.sub.2 laser waveguide having an extended tuning range. The laser cavity is bounded by a first partially reflecting member and a second partially reflecting member, the second member comprising a reflecting mirror and a diffraction grating member used in the Littrow configuration, the grating being positioned outside the laser cavity and spaced from the second reflecting mirror a predetermined distance. The combination of the mirror and grating provides an effective grating reflectivity which is sufficient to extend the tuning range of the laser to a value not previously available.
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