Layer structure and optical waveguide sensor based on...

Details Layer structure and optical waveguide sensor based on... Layer structure and optical waveguide sensor based on...

2006-05-16

2006-05-16

Palmer, Phan (Department: 2874)

Optical waveguides

Planar optical waveguide

C385S014000, C385S015000, C385S130000

Reexamination Certificate

active

07046893

ABSTRACT:
An optical layer structure having at least two layers and also a sensor based on this layer structure are described. The layer structure comprises at least a substrate layer and at least one (light) waveguide layer and a coupling element for the coupling of the optical beam, the layer adjacent to the waveguide layer having a smaller refractive index than the waveguide layer, and at least one layer consisting of a photoaddressable polymer.

REFERENCES:
patent: 6194120 (2001-02-01), Chan et al.
patent: 6603916 (2003-08-01), McGreer et al.
patent: WO 01/06240 (2001-01-01), None
patent: WO 01/06305 (2001-01-01), None
Applied Physics Letter, Bd. 66, Nr. 9, Feb. 27, 1995, pp. 1050-1052 “Novel second-order nonlinear optical, aromatic, and aliphatic polymides exhibiting high-temperature stability”. XP 002314169.
Sensors And Actuators B, Bd. 50, 1998, pp. 210-219, “Integrated optical pH sensor using replicated chirped grating under coupler sensor chips”. XP 002314170.

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