Multiple pass gas absorption cell utilizing a spherical mirror o

Details Multiple pass gas absorption cell utilizing a spherical mirror o Multiple pass gas absorption cell utilizing a spherical mirror o

1994-04-22

1995-10-17

Rosenberger, Richard A.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

356440, 250343, 250575, 250576, G01N 110

Patent

active

054595665

ABSTRACT:
A method and apparatus for passing light bundles through a multiple pass sampling cell. The multiple pass sampling cell includes a sampling chamber having first and second ends positioned along a longitudinal axis of the sampling cell. The sampling cell further includes an entrance opening, located adjacent the first end of the sampling cell at a first azimuthal angular position. The entrance opening permits a light bundle to pass into the sampling cell. The sampling cell also includes an exit opening at a second azimuthal angular position. The light exit permits a light bundle to pass out of the sampling cell after the light bundle has followed a predetermined path.

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patent: 5125742 (1992-06-01), Wilks

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