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Tunable diode laser absorption spectroscopy of carbon monoxide around 2.35 mu m

机译:一氧化碳的可调二极管激光吸收光谱约2.35微米

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Novel GaInSbAs/GaSb multiple-quantum-well lasers operating near room temperature have been successfully used for tunable diode laser absorption spectroscopy in the vicinity of 2.35 mu m. Continuous current tuning over a more than 150-GHz frequency range has been realized. Direct absorption measurements have been carried out on the R9, R10, R11, and R12 lines of carbon monoxide. Traces of carbon monoxide at the level of 0.3 part in 10(6) in volume at 100 Torr could be detected by the low frequency wavelength-modulation technique and an astigmatic multipass cell. These results show a potential use of these diode lasers in portable low-cost trace-pollutant sensors. (C) 1998 Optical Society of America. OCIS codes: 300.1030, 300.6340, 300.6380, 300.6260, 230.5590, 280.3420. [References: 17]
机译:在室温附近工作的新型GaInSbAs / GaSb多量子阱激光器已成功用于2.35μm附近的可调二极管激光吸收光谱。已经实现了超过150 GHz频率范围的连续电流调谐。在一氧化碳的R9,R10,R11和R12线上进行了直接吸收测量。通过低频波长调制技术和像散多通像元可以检测到痕量的一氧化碳,含量为100(10)(10)(6)中的0.3份。这些结果表明这些二极管激光器在便携式低成本痕量污染物传感器中的潜在用途。 (C)1998年美国眼镜学会。 OCIS代码:300.1030、300.6340、300.6380、300.6260、230.5590、280.3420。 [参考:17]

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