Luminescence based sensor using protuberances to redirect light

Details Luminescence based sensor using protuberances to redirect light Luminescence based sensor using protuberances to redirect light

2002-01-23

2010-02-02

Soderquist, Arlen (Department: 1797)

Chemistry: analytical and immunological testing

Optical result

With fluorescence or luminescence

C356S135000, C356S136000, C356S137000, C356S239200, C356S244000, C422S082050, C422S082060, C422S082070, C422S082080, C422S082110, C436S164000, C436S518000

Reexamination Certificate

active

07655475

ABSTRACT:
The invention provides a luminescent based sensor having a luminescent material optically coupled to a substrate, and adapted to be used in a medium or environment such as water or air. A detector is provided to detect light that is emitted into the substrate by the material. The substrate is adapted to redirect light that is emitted into the substrate at angles with the range θesc? θ ? θlscwhere θescis the critical angle of the environment/substrate interface and θlscis the critical angle of the luminescent layer/substrate interface. Examples of possible configurations are described.

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