Micro integrated planar optical waveguide type SPR sensor

Details Micro integrated planar optical waveguide type SPR sensor Micro integrated planar optical waveguide type SPR sensor

2011-04-05

2011-04-05

Toatley, Gregory J (Department: 2877)

Optics: measuring and testing

Of light reflection

C356S317000

Reexamination Certificate

active

07920267

ABSTRACT:
An integrated optical waveguide type surface plasmon resonance (SPR) sensor having an optical waveguide with a corresponding SPR sensing area, photodetectors, and wavelength tunable laser or any kind of external tunable laser source/coupler formed on a substrate. In an embodiment, the laser is a wavelength tunable laser and optionally, the integrated device may include a power source on the substrate for providing a electric power to the wavelength tunable laser and the photodetectors, or a circuit for signal processing, or a microfluidic structure for routing a target sample to the SPR sensor area. The microfluidic structure optionally includes a mixer or a reaction chamber for mixing and allowing a physical or chemical reaction to occur, respectively. In an embodiment, plural planar integrated optical waveguide type SPR sensors may be fabricated on a substrate to form an array of SPR sensors.

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