Flow cell

Details Flow cell Flow cell

1998-05-29

2000-05-30

Font, Frank G.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

G01N 110

Patent

active

06069694&

ABSTRACT:
In a flow cell, a flow cell body defines a fluid passageway. Opposed fiber optic cable assemblies with sapphire windows project into the fluid passageway. The fiber optic cable assemblies are axially adjustable in position to provide a capability of varying the path length for the light beam passing between the sapphire windows of the fiber optic cable assemblies in the fluid flowing in the fluid flow path. The path length is precisely settable by means of a feeler gauge which is inserted in a position between the windows of the fiber optic cable assemblies by means of a fixture inserted into the flow path. The fixture is in two parts which engage the fiber optic cable assemblies from opposite ends of the flow path and the fixture is provided with an oblong slot to properly orient the feeler gauge in the flow path between the fiber optic cable assemblies.

REFERENCES:
patent: 4988155 (1991-01-01), Harner et al.
patent: 5168367 (1992-12-01), O'Rourke et al.
patent: 5268736 (1993-12-01), Prather
patent: 5302272 (1994-04-01), Klein
patent: 5442437 (1995-08-01), Davidson
patent: 5452082 (1995-09-01), Sanger et al.
patent: 5521384 (1996-05-01), Lynch

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