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公开(公告)号：US11573218B2
公开(公告)日：2023-02-07
申请号：US17396270
申请日：2021-08-06
摘要： A method of measuring a concentration of NO2 in a gaseous mixture using a multimode laser beam that covers a tunable spectral range with a width of no more than 5 nm, wherein the multimode laser beam provides a high resolution transmittance spectrum at an absorption cross section of NO2 molecules, and a system for measuring the concentration of NO2 in the gaseous mixture. Various combinations of embodiments of the system and the method are provided.
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公开(公告)号：US11668688B2
公开(公告)日：2023-06-06
申请号：US17396318
申请日：2021-08-06
CPC分类号： G01N33/0037 , G01N21/314 , G01N21/39 , G01N21/61 , G01N2021/3155
摘要： A method of measuring a concentration of NO2 in a gaseous mixture using a multimode laser beam that covers a tunable spectral range with a width of no more than 5 nm, wherein the multimode laser beam provides a high resolution transmittance spectrum at an absorption cross section of NO2 molecules, and a system for measuring the concentration of NO2 in the gaseous mixture. Various combinations of embodiments of the system and the method are provided.
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公开(公告)号：US11162927B2
公开(公告)日：2021-11-02
申请号：US16789692
申请日：2020-02-13
摘要： A method of measuring a concentration of NO2 in a gaseous mixture using a multimode laser beam that covers a tunable spectral range with a width of no more than 5 nm, wherein the multimode laser beam provides a high resolution transmittance spectrum at an absorption cross section of NO2 molecules, and a system for measuring the concentration of NO2 in the gaseous mixture. Various combinations of embodiments of the system and the method are provided.
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公开(公告)号：US20190331651A1
公开(公告)日：2019-10-31
申请号：US15962564
申请日：2018-04-25
摘要： A method of measuring a concentration of NO2 in a gaseous mixture using a multimode laser beam that covers a tunable spectral range with a width of no more than 5 nm, wherein the multimode laser beam provides a high resolution transmittance spectrum at an absorption cross section of NO2 molecules, and a system for measuring the concentration of NO2 in the gaseous mixture. Various combinations of embodiments of the system and the method are provided.
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公开(公告)号：US11740217B2
公开(公告)日：2023-08-29
申请号：US17396364
申请日：2021-08-06
CPC分类号： G01N33/0037 , G01N21/314 , G01N21/39 , G01N21/61 , G01N2021/3155
摘要： A method of measuring a concentration of NO2 in a gaseous mixture using a multimode laser beam that covers a tunable spectral range with a width of no more than 5 nm, wherein the multimode laser beam provides a high resolution transmittance spectrum at an absorption cross section of NO2 molecules, and a system for measuring the concentration of NO2 in the gaseous mixture. Various combinations of embodiments of the system and the method are provided.
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公开(公告)号：US11609218B2
公开(公告)日：2023-03-21
申请号：US17396172
申请日：2021-08-06
摘要： A method of measuring a concentration of NO2 in a gaseous mixture using a multimode laser beam that covers a tunable spectral range with a width of no more than 5 nm, wherein the multimode laser beam provides a high resolution transmittance spectrum at an absorption cross section of NO2 molecules, and a system for measuring the concentration of NO2 in the gaseous mixture. Various combinations of embodiments of the system and the method are provided.
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公开(公告)号：US11169131B2
公开(公告)日：2021-11-09
申请号：US16789715
申请日：2020-02-13
摘要： A method of measuring a concentration of NO2 in a gaseous mixture using a multimode laser beam that covers a tunable spectral range with a width of no more than 5 nm, wherein the multimode laser beam provides a high resolution transmittance spectrum at an absorption cross section of NO2 molecules, and a system for measuring the concentration of NO2 in the gaseous mixture. Various combinations of embodiments of the system and the method are provided.
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