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Quantum Cascade Laser (QCL) Based Gas Sensing System and Method
Quantum Cascade Laser (QCL) Based Gas Sensing System and Method
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机译:基于量子级联激光器(QCL)的气体传感系统和方法
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摘要
A system and method are disclosed for gas sensing over a wide tunable wavelength range provided by one or more quantum cascade lasers. A laser beam is generated within the wide tunable wavelength range, which is given by the sum of the wavelength ranges from the individual lasers. Gas sensing or detection is achieved by obtaining an infrared absorption spectrum for a sample contained in one or more cells having different path lengths for the laser beam.
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