ARRANGEMENT ADAPTED FOR SPECTRAL ANALYSIS

ARRANGEMENT ADAPTED FOR SPECTRAL ANALYSIS

An arrangement ("Al') adapted for a spectral analysis, having a light transmitting means (10, 2a), a delimited space (11) in the form of a cavity serving as a measuring cell and defining an optical measuring distance ("L"), a light sensing means (12) for detecting radiation (4) p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MARTIN, HANS GOERAN VALD
Format: Patent
Sprache:eng ; fre
Schlagworte:
COLORIMETRY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
PHYSICS
RADIATION PYROMETRY
TESTING
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Beschreibung
Zusammenfassung:An arrangement ("Al') adapted for a spectral analysis, having a light transmitting means (10, 2a), a delimited space (11) in the form of a cavity serving as a measuring cell and defining an optical measuring distance ("L"), a light sensing means (12) for detecting radiation (4) passing said optical measuring distance ("L") from said light transmitting means (10), and a unit (13), connected at least to said light sensing means (12) and performing the spectral analysis. Beams of radiation from the light transmitting means are made to pass through an optical band-pass filter (3f) at different angles of incidence. The filter is structured so as to pass a wavelength in dependence of the angle of incidence. A first chosen wavelength component is separated from a second wavelength component, each being received in its opto-electric means (3b, 3b') - Said unit is adapted for detecting and calculating an occurring radiation intensity for each such wavelength component.