[특허]Method and apparatus for detecting embedded material within an interaction region of a structure

[미국특허] Method and apparatus for detecting embedded material within an interaction region of a structure 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01J-003/30
출원번호	US-0986897 (2011-01-07)
등록번호	US-8094303 (2012-01-10)
발명자 / 주소	Denney, Paul E. Eastman, Jay R. Huang, Ta-Chieh
출원인 / 주소	Loma Linda University Medical Center
대리인 / 주소	Knobbe, Martens, Olson & Bear LLP
인용정보	피인용 횟수 : 7 인용 특허 : 78

초록 ▼

A detection system is used during irradiation of an interaction region of a structure with laser light. The structure includes embedded material. The detection system includes means for receiving light emitted from the interaction region. The detection system further includes means for separating the received light into a spectrum of wavelengths. The detection system further includes means for analyzing at least a portion of the spectrum for indications of embedded material within the interaction region.

대표청구항 ▼

1. A system for detecting laser-irradiated embedded material in an inhabitable structure, the system comprising: an optical system adapted to receive light emitted from an interaction region of the inhabitable structure during irradiation of the interaction region with laser light; andan analyzer responsive to at least a portion of the received light by generating a detection signal indicative of the embedded material within the interaction region;wherein the system is adapted to initiate cessation of laser irradiation upon detecting indications of the embedded material, so as to avoid damage to the embedded material in the inhabitable structure. 2. The system of claim 1, wherein the optical system comprises a lens adapted to receive light emitted from the interaction region and an optical fiber optically coupled to the lens and to the analyzer. 3. The system of claim 2, wherein the lens is coaxial with the laser light. 4. The system of claim 2, wherein the lens is off-axis with the laser light. 5. The system of claim 1, wherein the analyzer comprises: an optical grating adapted to receive light from the optical system and to separate the light into a spectrum of wavelengths; anda light sensor adapted to receive light in at least a portion of the spectrum and to generate a signal corresponding to an intensity of the received light. 6. The system of claim 1, wherein the analyzer comprises a coupled-capacitance discharge (CCD) camera. 7. The system of claim 1, wherein the analyzer comprises at least one neutral density filter. 8. The system of claim 1, wherein the inhabitable structure comprises concrete and the embedded material comprises rebar. 9. A detection system for use during irradiation of an interaction region of an inhabitable structure with laser light, the inhabitable structure comprising embedded material, the detection system comprising: means for receiving light emitted from the interaction region;means for separating the received light into a spectrum of wavelengths; andmeans for analyzing at least a portion of the spectrum for indications of embedded material within the interaction region;wherein the detection system is adapted to initiate cessation of laser irradiation upon detecting indications of the embedded material, so as to avoid damage to the embedded material in the inhabitable structure. 10. The detection system of claim 9, wherein the receiving means comprises a lens and an optical fiber. 11. The detection system of claim 9, wherein the separating means comprises an optical grating and a light sensor. 12. The detection system of claim 9, wherein the analyzing means comprises a microprocessor operatively coupled to the separating means. 13. A method of detecting rebar in a laser-irradiated interaction region of an inhabitable structure with rebar embedded therein, the method comprising: receiving light from the interaction region;separating the light into a spectrum of wavelengths;analyzing at least a portion of the spectrum for indications of rebar within the interaction region; andinitiating cessation of laser irradiation upon detecting indications of the embedded material, thereby avoiding damage to the embedded material in the inhabitable structure. 14. The method of claim 13, wherein the light is received from the interaction region while the interaction region is irradiated with laser light. 15. The method of claim 13, wherein analyzing the at least a portion of the spectrum comprises monitoring the intensity of light having wavelengths associated with the embedded rebar. 16. The method of claim 13, wherein analyzing the at least a portion of the spectrum comprises monitoring discrete changes in interactions between the laser light and material in the interaction region.

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[미국특허] Method and apparatus for detecting embedded material within an interaction region of a structure 원문보기

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[미국특허] Method and apparatus for detecting embedded material within an interaction region of a structure 원문보기

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