US 6,335,793 B1 · Planar waveguide chemical sensor

Abstract

A chemical sensor includes at least two wave guides, one of which is a sensing wave guide and one of which is a reference wave guide. Each of the wave guides are formed in a laminar manner on a substrate.

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Facts

Application

09/242,834Filed 24 Feb 1999

Granted

1 Jan 2002

Term ends

Not estimatedThe source records don’t support an estimate.

Classification6 codes

G01N 21/7703
By observing the effect on a chemical indicator: using reagent-clad optical fibres or optical waveguides
G01D 5/35303
Influencing the transmission properties of an optical fibre: using a reference fibre, e.g. interferometric devices
G01N 21/45
Refractivity; Phase-affecting properties, e.g. optical path length: using interferometric methods; using Schlieren methods
G01N 2021/7779
Measurement method of reaction-produced change in sensor: interferometric

Planar waveguide chemical sensor

Life of this patent

Abstract

Claims0

Planar waveguide chemical sensor

Life of this patent

Abstract

Claims0