Short-wave infrared super-continuum lasers and similar light sources for imaging applications
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01J-003/00
A61B-005/00
A61B-005/145
A61B-005/1455
G01J-003/02
G01J-003/10
G01J-003/14
G01J-003/28
G01J-003/42
G01J-003/453
G01N-021/35
G01N-021/3563
G01N-021/359
G01N-021/39
G01N-021/88
G01N-033/02
G01N-033/15
G01N-033/44
G01N-033/49
G01J-003/18
G01J-003/12
G01M-003/38
G01N-021/85
G01N-021/95
H01S-003/00
H01S-003/067
H01S-003/30
출원번호
US-0888052
(2018-02-04)
등록번호
US-10136819
(2018-11-27)
발명자
/ 주소
Islam, Mohammed N.
출원인 / 주소
Omni Medsci, Inc.
대리인 / 주소
Brooks Kushman P.C.
인용정보
피인용 횟수 :
0인용 특허 :
198
초록▼
An imaging device includes laser diodes (LDs) generating near-infrared wavelength light, lenses configured to deliver the light to tissue, a first receiver having one or more detectors, and a first part with at least one of the LDs capable of being pulsed. The first receiver receives light reflected
An imaging device includes laser diodes (LDs) generating near-infrared wavelength light, lenses configured to deliver the light to tissue, a first receiver having one or more detectors, and a first part with at least one of the LDs capable of being pulsed. The first receiver receives light reflected from the tissue and is synchronized to the pulsed light and configured to perform a time-of-flight measurement. An infrared camera receives light reflected by the tissue from a second part of the imaging device. The camera captures light while the second part is off, and while the second part is on to generate corresponding signals, and differences the signals to generate an image. An array of LDs generates a grid of spots on the tissue, which is reflected to the camera. A coupled phone, tablet, or computer receives and processes the time-of-flight measurement, the image, and the reflected grid of spots.
대표청구항▼
1. An imaging device, comprising: a first part of the imaging device comprising a first at least one of a plurality of laser diodes, the first at least one of the plurality of laser diodes configured to be pulsed;a second part of the imaging device comprising a second at least one of the plurality o
1. An imaging device, comprising: a first part of the imaging device comprising a first at least one of a plurality of laser diodes, the first at least one of the plurality of laser diodes configured to be pulsed;a second part of the imaging device comprising a second at least one of the plurality of laser diodes;the plurality of laser diodes configured to generate light having one or more optical wavelengths, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelength between 700 nanometers and 2500 nanometers;a first one or more lenses configured to receive at least a portion of the light from the plurality of laser diodes and to direct at least the portion of the light to tissue;an array of laser diodes configured to generate light formed as a plurality of spots, the light having one or more optical wavelengths, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelength between 700 nanometers and 2500 nanometers;a second one or more lenses configured to receive at least a portion of the light from the array of laser diodes and to direct at least the portion of the light from the array of laser diodes to tissue;a first receiver comprising one or more detectors;the first receiver configured to receive at least a portion of light reflected from the tissue from the first one of the plurality of laser diodes, wherein the first receiver is configured to be synchronized to the at least one of the plurality of pulsed laser diodes and is configured to perform a time-of-flight measurement;an infrared camera configured to receive at least a portion of light from the second one of the plurality of laser diodes reflected from the tissue;the infrared camera configured to: generate a first signal while the plurality of laser diodes and the array of laser diodes are off; andgenerate a second signal while the second part of the imaging device is on and the first part of the imaging device and the array of laser diodes are off, the second signal based at least in part on a portion of the light from the second part of the imaging device reflected from the tissue;wherein the infrared camera is configured to difference the first signal and the second signal to generate a two-dimensional or three-dimensional image;the imaging device coupled to one of a smart phone, tablet, or computer, the smart phone, tablet, or computer comprising a wireless receiver, a wireless transmitter, a display, a voice input module, and a speaker, the smart phone, tablet, or computer configured to receive and to process at least a portion of the time-of-flight measurement, the two-dimensional or three-dimensional image, and the received light from the plurality of spots reflected from the tissue. 2. The device of claim 1 wherein the first at least one of the plurality of laser diodes and the second at least one of the plurality of laser diodes comprise the same laser diode or diodes. 3. The device of claim 1, wherein the array of laser diodes is configured to generate the plurality of spots by using an assembly in front of the array of laser diodes. 4. The device of claim 1, wherein the one or more lenses configured to receive and to direct the portion of the light from the array of laser diodes comprises a cylindrical lens in front of the array of laser diodes. 5. The device of claim 1, wherein the first receiver further comprises one or more filters in front of the one or more detectors to select a fraction of the one or more optical wavelengths. 6. The device of claim 1, wherein the first at least one of the plurality of laser diodes configured to be pulsed has a modulation frequency, and wherein the first receiver is configured to use a lock-in technique that detects the modulation frequency. 7. The device of claim 6, wherein the first receiver is configured to perform narrow band filtering at the modulation frequency. 8. The device of claim 6, wherein the modulation frequency has a phase, and wherein the first receiver is configured to lock onto the phase. 9. An imaging device, comprising: a first part comprising a first at least one of a plurality of laser diodes, the at least a first one of the plurality of laser diodes configured to be pulsed;a second part comprising a second at least one of the plurality of laser diodes;the plurality of laser diodes configured to generate light having one or more optical wavelengths, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelength between 700 nanometers and 2500 nanometers;a first one or more lenses configured to receive at least a portion of light from the plurality of laser diodes and to direct the at least a portion of the light to tissue;an array of laser diodes configured to generate light formed as a plurality of spots, the light having one or more optical wavelengths, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelength between 700 nanometers and 2500 nanometers;a second one or more lenses configured to receive at least a portion of the light from the array of laser diodes and to direct the at least a portion of the light from the array of laser diodes to tissue;a first receiver comprising one or more detectors;the first receiver configured to receive at least a portion of light reflected from the tissue from the at least first one of the plurality of laser diodes, wherein the first receiver is configured to perform a time-of-flight measurement by measuring a time difference between the generated light from the first at least one of the plurality of laser diodes and light reflected from the tissue from the first at least one of the plurality of laser diodes;an infrared camera configured to receive at least a portion of the light from the second one of the plurality of laser diodes reflected from the tissue and to generate a two-dimensional or three-dimensional image;the imaging device coupled to one of a smart phone, tablet, or computer, the smart phone, tablet, or computer comprising a wireless receiver, a wireless transmitter, a display, a voice input module, and a speaker, the smart phone, tablet, or computer configured to receive and to process at least a portion of the time-of-flight measurement, the two-dimensional or three-dimensional image, and the received light from the plurality of spots reflected from the tissue. 10. The device of claim 9, wherein the infrared camera is further configured to: generate a first signal while the plurality of laser diodes and the array of laser diodes are off; andgenerate a second signal while the second part is on and the first part and the array of laser diodes are off, the second signal based at least in part on a portion of the light from the second part reflected from the tissue;wherein the infrared camera is further configured to difference the first signal and the second signal to generate the two-dimensional or three-dimensional image. 11. The device of claim 9, wherein the one or more lenses configured to receive and to direct a portion of the light from the array of laser diodes comprises a cylindrical lens in front of the array of laser diodes. 12. The device of claim 9, wherein the first receiver further comprises one or more filters in front of the one or more detectors to select a fraction of the one or more optical wavelengths. 13. The device of claim 9, wherein the at least first one of the plurality of laser diodes configured to be pulsed has a modulation frequency, and wherein the first receiver is configured to use a lock-in technique that detects the modulation frequency. 14. The device of claim 13, wherein the first receiver is configured to perform narrow band filtering at the modulation frequency. 15. The device of claim 13, wherein the modulation frequency has a phase, and wherein the first receiver is configured to lock onto the phase. 16. The device of claim 9 wherein the first at least one of the plurality of laser diodes comprises the same diode or diodes as the second at least one of the plurality of laser diodes. 17. An imaging device, comprising: a first part of the imaging device comprising at least a first one of a plurality of laser diodes, the at least a first one of the plurality of laser diodes configured to be pulsed;a second part of the imaging device comprising at least a second one of the plurality of laser diodes;the plurality of laser diodes configured to generate light having one or more optical wavelengths, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelength between 700 nanometers and 2500 nanometers;a first one or more lenses configured to receive at least a portion of the light from the laser diodes and to direct the at least a portion of the light to tissue;an array of laser diodes configured to generate light formed as a plurality of spots by using an assembly in front of the array of laser diodes, the light having one or more optical wavelengths, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelength between 700 nanometers and 2500 nanometers;a second one or more lenses configured to receive at least a portion of the light from the array of laser diodes and to direct the at least a portion of the light from the array of laser diodes to tissue;a first receiver comprising one or more detectors;the first receiver configured to receive at least a portion of light reflected from the tissue from the at least first one of the plurality of laser diodes, wherein the first receiver is configured to be synchronized to the pulsing of the at least first one of the plurality of laser diodes and is configured to perform a time-of-flight measurement;an infrared camera configured to receive at least a portion of light reflected from the tissue from the at least second one of the plurality of laser diodes and to generate a two-dimensional or three-dimensional image;the imaging device coupled to one of a smart phone, tablet, or computer comprising a wireless receiver, a wireless transmitter, a display, a voice input module, and a speaker, the smart phone, tablet, or computer configured to receive and to process at least a portion of the time-of-flight measurement, the two-dimensional or three-dimensional image, and the received plurality of spots light reflected from the tissue. 18. The device of claim 17 wherein the at least first one of the plurality of laser diodes and the at least second one of the plurality of laser diodes comprise the same laser diode or diodes. 19. The device of claim 17, wherein the infrared camera is further configured to: generate a first signal while the plurality of laser diodes and the array of laser diodes are off; andgenerate a second signal while the second part of the imaging device is on and the first part of the imaging device and the array of laser diodes are off, the second signal based at least in part on a portion of the light from the second part of the imaging device reflected from the tissue;wherein the infrared camera is further configured to difference the first signal and the second signal to generate the two-dimensional or three-dimensional image. 20. The device of claim 17, wherein the time-of-flight measurement is performed by measuring a time difference between the generated light from the at least first one of the plurality of laser diodes and the light reflected by the tissue from the at least first one of the plurality of laser diodes. 21. The device of claim 17, wherein the first receiver further comprises one or more filters in front of the one or more detectors to select a fraction of the one or more optical wavelengths. 22. The device of claim 17, wherein the at least first one of the plurality of laser diodes has a modulation frequency, and wherein the first receiver is configured to use a lock-in technique based on the modulation frequency. 23. The device of claim 22, wherein the first receiver is configured to perform narrow band filtering at the modulation frequency, and wherein the modulation frequency has a phase, and wherein the first receiver is configured to lock onto the phase.
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