Spectroscopic breath analysis

Details Spectroscopic breath analysis Spectroscopic breath analysis

2007-11-27

2007-11-27

Marmor, II, Charles A. (Department: 3735)

Surgery

Diagnostic testing

Respiratory

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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