G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 29/02 (2006.01) G01N 21/17 (2006.01) G01N 21/85 (2006.01)
Patent
CA 2051713
ABSTRACT OF THE DISCLOSURE A probe (15) for quantitative detection of the concentration of an analyte in a sample (12) includes a hollow elongated body (14) adapted for single ended contact with the sample. The body (14) has at least one optical fiber (22a) extended through the body (14) for transmitting modulated light (26) through the body (14), out a window (40a) at the forward end of the body (14), and along an optical axis (25) into the sample (12) to optically excite the analyte. A pressure transducer (34) mounted beyond the window (40a) and spaced laterally away from the optical axis (25) detects an acoustic response of the analyte to the modulated light. This probe is particularly suitable for performing remote photoacoustic analysis of analyte concentration in a sample. 36,601-F
Leugers Mary Anne
Mills Michael Edward
Smart & Biggar
The Dow Chemical Company
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