Multispectral optical detection device and method

Multispectral optical detection device and method

The disclosed method determines at least a first measurement parameter of an object by locating the object in a measurement interaction volume having a light absorbing background and passing through that volume a measurement light beam which has at least two spectrally different wavelengths of light...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HOLCOMBE, BARRY VICTOR, HIGGERSON, GRAHAM JOHN, CAFFIN, ROGER NEIL, HUMPHRIES, WILLIAM, CANTRALL, CHRISTOPHER JOSEPH
Format: Patent
Sprache:eng
Schlagworte:
COLORIMETRY
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
LAUNDERING
MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
PHYSICS
RADIATION PYROMETRY
TESTING
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:The disclosed method determines at least a first measurement parameter of an object by locating the object in a measurement interaction volume having a light absorbing background and passing through that volume a measurement light beam which has at least two spectrally different wavelengths of light. The measurement light is interacted with the object to product measurement outgoing light which is light reflected from the object while in the measurement reaction volume. That outgoing light is filtered into at least two spectrally different outgoing light portions which are detected and generated therefrom are signals which are a function of the at least a first measurement parameter which is then determined from those signals.