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公开(公告)号：US20230384476A1
公开(公告)日：2023-11-30
申请号：US18231645
申请日：2023-08-08
CPC分类号： G01V8/02 , G01N21/8507 , G01N2021/3181
摘要： An optical probe and method for analysing a soil located in an underground area are provided. The optical probe includes a probe head insertable into the underground area, the probe head including a transparent wall defining a hollow chamber within the probe head; a light source mounted in the hollow chamber, configured to generate an illumination beam towards the soil, the illumination beam passing through the transparent wall to irradiate the soil, thereby producing a resulting light emanating from the soil, a portion of the resulting light returning towards the probe head and being guided in the transparent wall by total internal reflection along the optical path; a detector configured to receive the portion of the resulting light and outputting an output signal representative of characteristic(s) of the soil; and an optical element guiding the portion of the resulting light from the transparent wall to the detector.
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公开(公告)号：US11808913B2
公开(公告)日：2023-11-07
申请号：US17277148
申请日：2019-09-18
CPC分类号： G01V8/02 , G01N21/8507 , G01N2021/3181
摘要： An optical probe and method for analysing a soil located in an underground area are provided. The optical probe includes a probe head insertable into the underground area, the probe head including a transparent wall defining a hollow chamber within the probe head; a light source mounted in the hollow chamber, configured to generate an illumination beam towards the soil, the illumination beam passing through the transparent wall to irradiate the soil, thereby producing a resulting light emanating from the soil, a portion of the resulting light returning towards the probe head and being guided in the transparent wall by total internal reflection along the optical path; a detector configured to receive the portion of the resulting light and outputting an output signal representative of characteristic(s) of the soil; and an optical element guiding the portion of the resulting light from the transparent wall to the detector.
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公开(公告)号：US20210356622A1
公开(公告)日：2021-11-18
申请号：US17277148
申请日：2019-09-18
摘要： An optical probe and method for analysing a soil located in an underground area are provided. The optical probe includes a probe head insertable into the underground area, the probe head including a transparent wall defining a hollow chamber within the probe head; a light source mounted in the hollow chamber, configured to generate an illumination beam towards the soil, the illumination beam passing through the transparent wall to irradiate the soil, thereby producing a resulting light emanating from the soil, a portion of the resulting light returning towards the probe head and being guided in the transparent wall by total internal reflection along the optical path; a detector configured to receive the portion of the resulting light and outputting an output signal representative of characteristic(s) of the soil; and an optical element guiding the portion of the resulting light from the transparent wall to the detector.
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