Dual modulation laser line-locking technique for wavelength modulation spectroscopy
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机译:用于波长调制光谱的双调制激光线锁技术
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摘要
Disclosed are a method and apparatus for dual modulation of an optical spectroscopy laser. Demodulation is accomplished in a manner resulting in measurement of absorbance of a gas species, as well as stabilization of laser wavelength and baseline noise reduction.
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