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公开(公告)号：US10935487B2
公开(公告)日：2021-03-02
申请号：US16167019
申请日：2018-10-22
发明人： Craig Sawyers
摘要： Systems and methods of the present disclosure are directed to detecting species within a fluid using a multi-pass absorption cell and a spectrometer. The absorption cell includes a plurality of mirrors arranged in a manner such that a detection light traverses multiple passes through the fluid within the absorption cell. In some implementations, the detection light is reflected by the plurality of mirrors to form optical paths in more than one plane. The system also includes an electronic unit configured to receive and process spectral data from the spectrometer. In some implementations, the electronic unit communicates with at least one computational unit over a communication interface to send a portion of the spectral data for processing. The electronic unit may also receive processed data from the computational unit.
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2.发明授权公开(公告)号：US10921553B2
公开(公告)日：2021-02-16
申请号：US15349150
申请日：2016-11-11
发明人： Craig Sawyers
IPC分类号： G02B7/182 , G01J3/02 , G01J3/42 , G01N21/03 , G01N21/33 , G02B5/08 , G02B5/10 , G02B17/06 , G02B27/48 , G02B27/62 , G02B17/00
摘要： Systems and methods of the present disclosure are directed to optics used in absorption cell spectrometers. The absorption cell includes a plurality of mirrors arranged in a manner such that a detection light traverses multiple passes through the fluid within the absorption cell. In some implementations, the detection light is reflected by the plurality of mirrors to form optical paths in more than one plane. In some implementations, the orientation of the mirrors are aligned with specific orientations to provide the desired optical path to the detection light. In one or more embodiments, an alignment apparatus can be used to pre-align the mirrors before they are placed within the absorption cell. The alignment apparatus includes an aperture plate and an adjustable mount to mount one or more mirrors. The mirrors are aligned based on reflected images on the aperture plate laser light incident on the mirrors.
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3.发明申请公开(公告)号：US20190056311A1
公开(公告)日：2019-02-21
申请号：US16167019
申请日：2018-10-22
发明人： Craig Sawyers
摘要： Systems and methods of the present disclosure are directed to detecting species within a fluid using a multi-pass absorption cell and a spectrometer. The absorption cell includes a plurality of mirrors arranged in a manner such that a detection light traverses multiple passes through the fluid within the absorption cell. In some implementations, the detection light is reflected by the plurality of mirrors to form optical paths in more than one plane. The system also includes an electronic unit configured to receive and process spectral data from the spectrometer. In some implementations, the electronic unit communicates with at least one computational unit over a communication interface to send a portion of the spectral data for processing. The electronic unit may also receive processed data from the computational unit.
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4.发明申请公开(公告)号：US20170139182A1
公开(公告)日：2017-05-18
申请号：US15349150
申请日：2016-11-11
发明人： Craig Sawyers
IPC分类号： G02B7/182 , G02B17/06 , G02B5/08 , G01N21/03 , G01J3/02 , G01J3/42 , G01N21/33 , G02B27/48 , G02B5/10
CPC分类号： G02B7/1822 , G01J3/0208 , G01J3/0237 , G01J3/0264 , G01J3/0289 , G01J3/42 , G01N21/031 , G01N21/33 , G01N2201/12 , G02B5/0891 , G02B5/10 , G02B17/004 , G02B17/0642 , G02B27/48 , G02B27/62
摘要： Systems and methods of the present disclosure are directed to optics used in absorption cell spectrometers. The absorption cell includes a plurality of mirrors arranged in a manner such that a detection light traverses multiple passes through the fluid within the absorption cell. In some implementations, the detection light is reflected by the plurality of mirrors to form optical paths in more than one plane. In some implementations, the orientation of the mirrors are aligned with specific orientations to provide the desired optical path to the detection light. In one or more embodiments, an alignment apparatus can be used to pre-align the mirrors before they are placed within the absorption cell. The alignment apparatus includes an aperture plate and an adjustable mount to mount one or more mirrors. The mirrors are aligned based on reflected images on the aperture plate laser light incident on the mirrors.
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公开(公告)号：US10942111B2
公开(公告)日：2021-03-09
申请号：US16167011
申请日：2018-10-22
发明人： Craig Sawyers
摘要： Systems and methods of the present disclosure are directed to detecting species within a fluid using a multi-pass absorption cell and a spectrometer. The absorption cell includes a plurality of mirrors arranged in a manner such that a detection light traverses multiple passes through the fluid within the absorption cell. In some implementations, the detection light is reflected by the plurality of mirrors to form optical paths in more than one plane. The system also includes an electronic unit configured to receive and process spectral data from the spectrometer. In some implementations, the electronic unit communicates with at least one computational unit over a communication interface to send a portion of the spectral data for processing. The electronic unit may also receive processed data from the computational unit.
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公开(公告)号：US09933355B2
公开(公告)日：2018-04-03
申请号：US14911202
申请日：2014-08-01
发明人： Craig Sawyers
CPC分类号： G01N21/031 , G01J3/021 , G01N21/33 , G01N2201/061 , G01N2201/0636 , G01N2201/068 , G02B17/004 , G02B17/04
摘要： A multipass spectroscopic absorption cell comprises at least a first reflector (40) and a second reflector (42) that are configured to reflect a beam of light multiple times through a sample volume (V). At least one of the first and second reflectors (40,42) defines a principal optical axis (A) that extends through the sample volume (V). An optical folding system (52) is located on the principal optical axis (A) between the first and second reflectors, said optical folding system being configured to fold the principal optical axis (A) through an angle greater than 0°.
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7.发明申请公开(公告)号：US20190056310A1
公开(公告)日：2019-02-21
申请号：US16167011
申请日：2018-10-22
发明人： Craig Sawyers
摘要： Systems and methods of the present disclosure are directed to detecting species within a fluid using a multi-pass absorption cell and a spectrometer. The absorption cell includes a plurality of mirrors arranged in a manner such that a detection light traverses multiple passes through the fluid within the absorption cell. In some implementations, the detection light is reflected by the plurality of mirrors to form optical paths in more than one plane. The system also includes an electronic unit configured to receive and process spectral data from the spectrometer. In some implementations, the electronic unit communicates with at least one computational unit over a communication interface to send a portion of the spectral data for processing. The electronic unit may also receive processed data from the computational unit.
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公开(公告)号：US10107741B2
公开(公告)日：2018-10-23
申请号：US15287011
申请日：2016-10-06
发明人： Craig Sawyers
摘要： Systems and methods of the present disclosure are directed to detecting species within a fluid using a multi-pass absorption cell and a spectrometer. The absorption cell includes a plurality of mirrors arranged in a manner such that a detection light traverses multiple passes through the fluid within the absorption cell. In some implementations, the detection light is reflected by the plurality of mirrors to form optical paths in more than one plane. The system also includes an electronic unit configured to receive and process spectral data from the spectrometer. In some implementations, the electronic unit communicates with at least one computational unit over a communication interface to send a portion of the spectral data for processing. The electronic unit may also receive processed data from the computational unit.
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公开(公告)号：US20170102315A1
公开(公告)日：2017-04-13
申请号：US15287011
申请日：2016-10-06
发明人： Craig Sawyers
CPC分类号： G01N21/031 , G01J3/02 , G01J3/0264 , G01J3/027 , G01J3/108 , G01J3/42 , G01N21/33 , G01N21/3504 , G01N2201/0231 , G01N2201/0627 , G01N2201/0633 , G01N2201/0636 , G01N2201/12
摘要： Systems and methods of the present disclosure are directed to detecting species within a fluid using a multi-pass absorption cell and a spectrometer. The absorption cell includes a plurality of mirrors arranged in a manner such that a detection light traverses multiple passes through the fluid within the absorption cell. In some implementations, the detection light is reflected by the plurality of mirrors to form optical paths in more than one plane. The system also includes an electronic unit configured to receive and process spectral data from the spectrometer. In some implementations, the electronic unit communicates with at least one computational unit over a communication interface to send a portion of the spectral data for processing. The electronic unit may also receive processed data from the computational unit.
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公开(公告)号：US20160202175A1
公开(公告)日：2016-07-14
申请号：US14911202
申请日：2014-08-01
发明人： Craig SAWYERS , Simon RAYNOR
CPC分类号： G01N21/031 , G01J3/021 , G01N21/33 , G01N2201/061 , G01N2201/0636 , G01N2201/068 , G02B17/004 , G02B17/04
摘要： A multipass spectroscopic absorption cell comprises at least a first reflector (40) and a second reflector (42) that are configured to reflect a beam of light multiple times through a sample volume (V). At least one of the first and second reflectors (40,42) defines a principal optical axis (A) that extends through the sample volume (V). An optical folding system (52) is located on the principal optical axis (A) between the first and second reflectors, said optical folding system being configured to fold the principal optical axis (A) through an angle greater than 0°.
摘要翻译： 多通道光谱吸收单元包括至少第一反射器（40）和第二反射器（42），其被配置为通过样品体积（V）多次反射光束。 第一和第二反射器（40,42）中的至少一个限定延伸穿过样品体积（V）的主光轴（A）。 光学折叠系统（52）位于第一和第二反射器之间的主光轴（A）上，所述光学折叠系统构造成使主光轴（A）折叠大于0°的角度。
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