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公开(公告)号：US11079324B2
公开(公告)日：2021-08-03
申请号：US16511429
申请日：2019-07-15
Applicant: SpectraSensors, Inc.
Inventor： Xiang Liu , Alfred Feitisch , Gary Yeh , Chih-Hsuan Chang
Abstract: A method for implementation by a laser spectrometer is provided. The method includes first scanning, by a control unit using a first set of laser spectrometer operating parameters, a first wavelength range by adjusting a wavelength of light of a beam emitted by a laser light source and passing through a sample gas. The first wavelength range encompasses a first spectral feature corresponding to a first constituent. The method also includes at least one second scanning, by the control unit using a second set of laser spectrometer operating parameters, a second wavelength range by adjusting the wavelength of light emitted from the laser light source and passing through the sample gas. The second wavelength range has a second spectral feature corresponding to at least one second constituent. The control unit also determines a first concentration of the first constituent and a second concentration of the at least one second constituent.
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公开(公告)号：US20210018433A1
公开(公告)日：2021-01-21
申请号：US16511429
申请日：2019-07-15
Applicant: SpectraSensors, Inc.
Inventor： Xiang Liu , Alfred Feitisch , Gary Yeh , Chih-Hsuan Chang
Abstract: A method for implementation by a laser spectrometer is provided. The method includes first scanning, by a control unit using a first set of laser spectrometer operating parameters, a first wavelength range by adjusting a wavelength of light of a beam emitted by a laser light source and passing through a sample gas. The first wavelength range encompasses a first spectral feature corresponding to a first constituent. The method also includes at least one second scanning, by the control unit using a second set of laser spectrometer operating parameters, a second wavelength range by adjusting the wavelength of light emitted from the laser light source and passing through the sample gas. The second wavelength range has a second spectral feature corresponding to at least one second constituent. The control unit also determines a first concentration of the first constituent and a second concentration of the at least one second constituent.
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