US 12,241,829 B2
Method and apparatus for detecting chemical compounds in soil
Lamalani Suarez, Akron, OH (US); David Perry, Akron, OH (US); and Linda Barrett, Fairlawn, OH (US)
Assigned to S4 Mobile Laboratories, LLC
Filed by S4 Mobile Laboratories, LLC, Akron, OH (US)
Filed on Jun. 6, 2024, as Appl. No. 18/735,361.
Application 18/735,361 is a continuation of application No. 18/491,236, filed on Oct. 20, 2023, granted, now 12,007,312.
Application 18/491,236 is a continuation of application No. 18/331,316, filed on Jun. 8, 2023, granted, now 11,796,463, issued on Oct. 24, 2023.
Claims priority of provisional application 63/366,028, filed on Jun. 8, 2022.
Prior Publication US 2024/0319088 A1, Sep. 26, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G01N 21/3563 (2014.01); G01N 21/359 (2014.01); G01N 21/85 (2006.01); G01N 33/24 (2006.01); G01S 19/26 (2010.01)
CPC G01N 21/3563 (2013.01) [G01N 21/359 (2013.01); G01N 21/8507 (2013.01); G01N 33/24 (2013.01); G01S 19/26 (2013.01); G01N 2021/855 (2013.01); G01N 2201/0636 (2013.01); G01N 2201/0638 (2013.01); G01N 2201/08 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A spectrometer probe comprising:
a shaft having a first end and a second end;
a mirror, wherein the mirror is located within the second end of the shaft, wherein the mirror is angled at approximately a 45 degree angle in relation to the fiberoptic bundle;
an index-matching elastomer;
a fiberoptic bundle located within the shaft, the fiberoptic bundle having a first end and a second end, wherein the shaft has no light source or spectroscope located within the shaft, wherein there are no air gaps in the shaft;
a transparent window, wherein the transparent window is substantially parallel with the fiberoptic bundle and the shaft, wherein the mirror is angled at approximately a 45 degree angle in relation to the transparent window and the fiberoptic bundle;
a probe sample window; and
a light reflection insert, wherein the light reflection insert is attached between the probe sample window and the first end of the shaft.