Spectroscopic breath analysis

Surgery – Diagnostic testing – Respiratory

Reexamination Certificate

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C600S529000, C073S023300

Reexamination Certificate

active

10486675

ABSTRACT:
Methods and apparatus for the analysis of exhaled breath by spectroscopy are disclosed. An optical cavity containing the exhaled breath, typically comprising a pair of opposing high reflectivity mirrors, is used to implement a cavity enhanced absorbtion technique. Pairs of12CO2and13CO2absorbtion lines suitable for use in spectroscopic breath analysis are also disclosed.

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