Optical device for measuring optical properties of a sample...

Optics: measuring and testing – Plural test

Reexamination Certificate

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C356S317000, C356S318000, C250S458100

Reexamination Certificate

active

11272624

ABSTRACT:
A device and method for measuring optical properties of a sample are provided. The device comprises a housing surrounding a flow-through flow-cell having a sample inlet positioned proximate to a first end of the flow-cell and a sample outlet positioned proximate to a second end of the flow-cell and a sample chamber positioned between the sample inlet and the sample outlet. A plurality of excitation sources are positioned on the housing and are incident on a sample in the flow-cell. At least one excitation source has a wavelength that is different from the other excitation sources. At least one fluorescence emission detector, which detects a continuous broadband spectrum of emission wavelengths, is positioned in an operable relationship to the flow-cell. At least one signal interrogation system, which interprets a continuous fluorescence emission spectrum, is positioned in an operable relationship with each detector.

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Opti-Sciences, Inc., “Portable Fluorometer & Spectometer,” Sep. 27, 2004, website page www.optisci.com/fsp2.htm.

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