SELF-MIXING INTERFEROMETRY FOR ABSORPTION OR COLOR DETECTION AND APPLICATION IN LATERAL FLOW TESTING

It is proposed to use self-mixing interferometry for determining an absorption. The monitoring device for use in lateral flow testing for detecting presence or amount of an analyte (1) in a liquid (L) comprises a housing, the housing comprising a carrier holder for holding a carrier (10) for transpo...

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Bibliographische Detailangaben
Hauptverfasser:	STOCKMEIER, Thomas, LOUS, Erik Jan
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	It is proposed to use self-mixing interferometry for determining an absorption. The monitoring device for use in lateral flow testing for detecting presence or amount of an analyte (1) in a liquid (L) comprises a housing, the housing comprising a carrier holder for holding a carrier (10) for transport of the liquid (L); at least a first light source (41) which is a resonant-cavity light source having a cavity (C); and an evaluation unit (50), operationally connected to at least the first light source (41) for detecting a measurement signal. The first light source (41) is structured and arranged to illuminate with light a test range in a test area (13) of a carrier (10) held in the carrier holder; and to couple back into the cavity (C) of the first light source (41) a portion of the light coming back from the test range (13).