Short-wave infrared super-continuum lasers for natural gas leak detection, exploration, and other active remote sensing applications
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01J-003/00
G01N-033/15
A61B-005/00
A61B-005/1455
A61B-005/145
G01J-003/10
G01J-003/28
G01J-003/453
G01N-021/359
G01N-021/3563
G01N-021/39
G01N-021/88
G01N-033/02
G01N-033/44
G01N-033/49
H01S-003/30
G01J-003/14
G01J-003/18
G01M-003/38
출원번호
US-0855201
(2017-12-27)
등록번호
US-9995722
(2018-06-12)
발명자
/ 주소
Islam, Mohammed N.
출원인 / 주소
Omni Medsci, Inc.
대리인 / 주소
Brooks Kushman P.C.
인용정보
피인용 횟수 :
0인용 특허 :
151
초록▼
A measurement system includes a light source having semiconductor sources configured to generate an input optical beam, a multiplexer configured form an intermediate optical beam from the input optical beam, fibers including a fused silica fiber configured to receive the intermediate optical beam an
A measurement system includes a light source having semiconductor sources configured to generate an input optical beam, a multiplexer configured form an intermediate optical beam from the input optical beam, fibers including a fused silica fiber configured to receive the intermediate optical beam and to form an output optical beam. The output optical beam comprises wavelengths between 700 and 2500 nanometers with a bandwidth of at least 10 nanometers. A measurement apparatus is configured to deliver the output beam to a sample to generate a spectroscopy output beam. A receiver is configured to receive and process the spectroscopy output beam to generate an output signal, wherein the receiver processing includes chemometrics or multivariate analysis methods to permit identification of materials within the sample, the light source and the receiver are remote from the sample, and the sample includes plastics or food industry goods.
대표청구항▼
1. A measurement system comprising: a light source configured to generate an output optical beam, comprising: a plurality of semiconductor sources configured to generate an input optical beam;a multiplexer configured to receive at least a portion of the input optical beam and to form an intermediate
1. A measurement system comprising: a light source configured to generate an output optical beam, comprising: a plurality of semiconductor sources configured to generate an input optical beam;a multiplexer configured to receive at least a portion of the input optical beam and to form an intermediate optical beam;one or more fibers configured to receive at least a portion of the intermediate optical beam and to form the output optical beam;wherein at least a portion of the one or more fibers comprises a fused silica fiber;wherein the output optical beam comprises one or more optical wavelengths, at least a portion of which are between 700 nanometers and 2500 nanometers; andwherein the output optical beam has a bandwidth of at least 10 nanometers;a measurement apparatus configured to receive a received portion of the output optical beam and to deliver a delivered portion of the output optical beam to a sample, wherein the delivered portion of the output optical beam is configured to generate a spectroscopy output beam from the sample; anda receiver configured to receive at least a portion of the spectroscopy output beam having a bandwidth of at least 10 nanometers and to process the at least a portion of the spectroscopy output beam to generate an output signal, wherein the receiver processing includes at least in part using chemometrics or multivariate analysis methods to permit identification of materials within the sample;wherein the light source and the receiver are remote from the sample, and wherein the sample comprises plastics or food industry goods. 2. The system of claim 1, wherein the measurement apparatus is a stand-off detection apparatus, and the spectroscopy output beam is based at least in part on diffuse reflection from the sample. 3. The system of claim 1, wherein the measurement system is used for on-line process control. 4. The system of claim 1, wherein the output signal at least in part determines a sugar content in solid food industry goods. 5. The system of claim 1, wherein the measurement system performs non-destructive quality control or constitutive analysis. 6. The system of claim 1, wherein a signal-to-noise ratio of the output signal is improved using lock-in detection techniques or change detection schemes. 7. A measurement system comprising: a light source configured to generate an output optical beam, comprising: a plurality of semiconductor sources configured to generate an input optical beam;a multiplexer configured to receive at least a portion of the input optical beam and to form an intermediate optical beam;one or more fibers configured to receive at least a portion of the intermediate optical beam and to form the output optical beam;wherein at least a portion of the one or more fibers comprises a fused silica fiber;wherein the output optical beam comprises one or more optical wavelengths, at least a portion of which are between 700 nanometers and 2500 nanometers; andwherein the output optical beam has a bandwidth of at least 10 nanometers;a measurement apparatus configured to receive a received portion of the output optical beam and to deliver a delivered portion of the output optical beam to a sample, wherein the delivered portion of the output optical beam is configured to generate a spectroscopy output beam from the sample; anda receiver configured to receive at least a portion of the spectroscopy output beam having a bandwidth of at least 10 nanometers and to process the at least a portion of the spectroscopy output beam to generate an output signal, wherein the receiver processing includes at least in part using chemometrics or multivariate analysis methods to permit identification of materials within the sample;wherein the output signal is based at least in part on a chemical composition of the sample; andwherein the spectroscopy output beam comprises at least in part spectral features of hydrocarbons or organic compounds. 8. The system of claim 7, wherein the light source comprises a super-continuum laser. 9. The system of claim 7, wherein the measurement apparatus is a stand-off detection apparatus wherein the light source and the receiver are remote from the sample, and the spectroscopy output beam is based at least in part on diffuse reflection from the sample. 10. The system of claim 7, wherein the measurement system is used for non-destructive quality control or constitutive analysis. 11. The system of claim 7, wherein the sample comprises plastics or food industry goods. 12. The system of claim 7, wherein a signal-to-noise ratio of the output signal is improved using lock-in detection techniques or change detection schemes. 13. The system of claim 7, wherein the receiver comprises a wavelength tunable detection system. 14. The system of claim 7, wherein the measurement system is used for on-line process control. 15. The system of claim 7, wherein the output signal at least in part determines a sugar content in solid food industry goods. 16. A measurement system comprising: a light source configured to generate an output optical beam, comprising: a plurality of semiconductor sources configured to generate an input optical beam;a multiplexer configured to receive at least a portion of the input optical beam and to form an intermediate optical beam;one or more fibers configured to receive at least a portion of the intermediate optical beam and to form the output optical beam;wherein at least a portion of the one or more fibers comprises a fused silica fiber;wherein the output optical beam comprises one or more optical wavelengths, at least a portion of which are between 700 nanometers and 2500 nanometers; andwherein the output optical beam has a bandwidth of at least 10 nanometers;a measurement apparatus configured to receive a received portion of the output optical beam and to deliver a delivered portion of the output optical beam to a sample, wherein the delivered portion of the output optical beam is configured to generate a spectroscopy output beam from the sample; anda receiver configured to receive at least a portion of the spectroscopy output beam having a bandwidth of at least 10 nanometers and to process the at least a portion of the spectroscopy output beam to generate an output signal, wherein the receiver processing includes at least in part using chemometrics or multivariate analysis methods to permit identification of materials within the sample;wherein the output signal is based on a chemical composition of the sample, and wherein the sample comprises tissue including collagen and lipids. 17. The system of claim 16, wherein the light source and the receiver are remote from the sample, and the spectroscopy output beam is based at least in part on diffuse reflection from the sample. 18. The system of claim 16, wherein the measurement apparatus is configured to deliver the delivered portion of the output optical beam to the sample through a needle. 19. The system of claim 16, wherein the output signal at least in part distinguishes between normal and cancerous tissue. 20. The system of claim 16, wherein a signal-to-noise ratio of the output signal is improved using lock-in detection techniques or change detection schemes.
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