[특허]Systems for detecting a chemical species and use thereof

ExxonMobil Upstream Research Company

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특허 상세정보

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Systems for detecting a chemical species and use thereof

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-021/00 G01M-003/38 G02B-005/20 G01N-021/3504 G01M-003/22 G01M-003/40 G02B-027/10 G01N-021/31 G01N-021/3518
출원번호	US-0727524 (2015-06-01)
등록번호	US-9448134 (2016-09-20)
발명자 / 주소	Morris, Jonathan M. Zeng, Yousheng
출원인 / 주소	ExxonMobil Upstream Research Company
대리인 / 주소	ExxonMobil Upstream Research Company
인용정보	피인용 횟수 : 1 인용 특허 : 43

초록
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Systems and methods for detecting chemical species including a lens, a beam splitter, first and second bandpass filters, and first and second electromagnetic radiation detectors. The first bandpass filter has a first transmittance window having a first width transmitting greater than 50% of the filtered first electromagnetic radiation beam within a first electromagnetic radiation wavelength range. The second bandpass filter includes a second transmittance window having a second width within a second electromagnetic radiation wavelength range. The second transmittance window has an upper limit wavelength value that is greater than an upper limit wavelength value of the first transmittance window. The second bandpass filter is configured to transmit a lesser percentage of the second electromagnetic radiation beam passing through the second transmittance window than the first bandpass filter transmits of the first electromagnetic radiation beam passing through the first transmittance window.

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1. A system for detecting at least one chemical species, comprising: a lens;a first beam splitter configured to receive a beam of electromagnetic radiation from the lens and separate the beam into a first electromagnetic radiation beam and a second electromagnetic radiation beam;a first bandpass filter configured to receive the first electromagnetic radiation beam and transmit a filtered first electromagnetic radiation beam, the first bandpass filter is configured to transmit at least 50% of the first electromagnetic radiation beam passing through a first transmittance window, the first transmittance window having a first width including a first electromagnetic radiation wavelength range corresponding to at least a portion of a wavelength range of absorption or emission by the at least one chemical species to be detected;a first electromagnetic radiation detector configured to receive at least a portion of the filtered first electromagnetic radiation beam from the first bandpass filter;a second bandpass filter configured to receive the second electromagnetic radiation beam and transmit a filtered second electromagnetic radiation beam, the second bandpass filter including a second transmittance window having a second width within a second electromagnetic radiation wavelength range, the second transmittance window having an upper limit wavelength value that is greater than an upper limit wavelength value of the first transmittance window, the second bandpass filter configured to transmit a lesser percentage of the second electromagnetic radiation beam passing through the second transmittance window than the first bandpass filter transmits of the first electromagnetic radiation beam passing through the first transmittance window; anda second electromagnetic radiation detector configured to receive at least a portion of the filtered second electromagnetic radiation beam from the second bandpass filter. 2. The system of claim 1 further comprising an analysis system including code within a processor, a non-transitory, computer-readable medium, or a combination thereof, the code configured to direct the processor to: identify at least one image from the first electromagnetic radiation detector and at least one image from the second electromagnetic radiation detector;compare the at least one image from the first electromagnetic radiation detector with the at least one image from the second electromagnetic radiation detector; anddetermine if a difference between the images represents the detection of a chemical species. 3. The system of claim 1, wherein the second bandpass filter transmits at most 45% of the filtered second electromagnetic radiation beam within the second transmittance window. 4. The system of claim 1, wherein the second bandpass filter transmits at most 25% of the filtered second electromagnetic radiation beam within the second transmittance window. 5. The system of claim 3, wherein the first bandpass filter transmits at least 90% of the filtered first electromagnetic radiation beam within the first transmittance window. 6. The system of claim 1, wherein the second transmittance window width is greater than the first transmittance window width. 7. The system of claim 1, wherein the lower limit wavelength value of the second transmittance window is greater than the upper limit wavelength value of the first transmittance window. 8. The system of claim 7, wherein the lower limit wavelength value of the second transmittance window is at least 100 nm greater than the upper limit wavelength value of the first transmittance window. 9. The system of claim 1, wherein the first transmittance window width is in the range of from 50 nm to 250 nm. 10. The system of claim 1, wherein the second transmittance window width is in the range of from 275 nm to 500 nm. 11. The system of claim 1, wherein a lower limit wavelength value of the first transmittance window is at least 3 microns and the upper limit wavelength value of the first transmittance window is at most 3.5 microns. 12. The system of claim 11, wherein a lower limit wavelength value of the second transmittance window is at least 3.7 microns and the upper limit wavelength value of the second transmittance window is at most 4.5 microns. 13. The system of claim 1, wherein the first electromagnetic radiation detector and the second electromagnetic radiation detector are configured to receive or generate a master clock signal to synchronize a frame rate and/or integration time between the first electromagnetic radiation detector and the second electromagnetic radiation detector. 14. A method of detecting at least one chemical species comprising: splitting a beam of electromagnetic radiation into at least a first electromagnetic radiation beam and a second electromagnetic radiation beam;passing at least a portion of the first electromagnetic radiation beam through a first bandpass filter, wherein the first bandpass filter is configured to receive the first electromagnetic radiation beam and transmit a filtered first electromagnetic radiation beam, the first bandpass filter transmits at least 50% of the first electromagnetic radiation beam passing through a first transmittance window, the first transmittance window having a first width including a first electromagnetic radiation wavelength range corresponding to at least a portion of a wavelength range of absorption or emission by the at least one chemical species to be detected;passing at least a portion of the second electromagnetic radiation beam through a second bandpass filter, wherein the second bandpass filter is configured to receive the second electromagnetic radiation beam and transmit a filtered second electromagnetic radiation beam, and wherein the second bandpass filter includes a second transmittance window having a second width within a second electromagnetic radiation wavelength range, the second transmittance window having an upper limit wavelength value that is greater than an upper limit wavelength value of the first transmittance window, and wherein the second bandpass filter transmits a lesser percentage of the second electromagnetic radiation beam passing through the second transmittance window than the first bandpass filter transmits of the first electromagnetic radiation beam passing through the first transmittance window;receiving at least a portion of the filtered first electromagnetic radiation beam with a first electromagnetic radiation detector;receiving at least a portion of the filtered second electromagnetic radiation beam with a second electromagnetic radiation detector;generating at least one image of the filtered first electromagnetic radiation beam detected by the first electromagnetic radiation detector and at least one image of the filtered second electromagnetic radiation beam detected by the second electromagnetic radiation detector; anddetermining the presence of the at least one chemical species based, at least in part, on the images. 15. The method of claim 14 further comprising generating a resultant image from the at least one image from the first electromagnetic radiation detector and the at least one image from the second electromagnetic radiation detector. 16. The method of claim 14, wherein a first plurality of images from the first electromagnetic radiation detector and a second plurality of images from the second electromagnetic radiation detector are generated; and the presence of at least one chemical species is determined based, at least in part, on the first plurality of images and the second plurality of images. 17. The method of claim 16, further comprising generating a plurality of resultant images from the first plurality of images from the first electromagnetic radiation detector and the second plurality of images from the second electromagnetic radiation detector and determining the presence of the at least one chemical species based, at least in part, on the plurality of resultant images. 18. The method of claim 14, wherein the second bandpass filter transmits at most 45% of the filtered second electromagnetic radiation beam within the second transmittance window. 19. The method of claim 18, wherein the first bandpass filter transmits at least 90% of the filtered first electromagnetic radiation beam within the first transmittance window. 20. The method of claim 14, wherein a lower limit wavelength value of the first transmittance window is at least 3 microns and the upper limit wavelength value of the first transmittance window is at most 3.5 microns, and wherein a lower limit wavelength value of the second transmittance window is at least 3.7 microns and the upper limit wavelength value of the second transmittance window is at most 4.5 microns.

이 특허에 인용된 특허 (43)

이 특허를 인용한 특허 피인용횟수: 1

Morris, Jonathan M.; Zeng, Yousheng. Methods and systems for detecting a chemical species. USP2017099760995.

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Systems for detecting a chemical species and use thereof

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