Abstract:
The present invention discloses a flow cell optical detection system comprising a light source, a flow cell and a light detector, wherein the light detector is arranged in a separate detector unit that is arranged to be releasably attached to a detector interface, the detector interface being in optical communication with the light source and comprises optical connectors for optically connecting the flow cell and the detector unit in the light path from the light source, and wherein the flow cell is an interchangeable unit arranged to be held in position by the detector unit when attached to the detector interface.
Abstract:
The present invention discloses a flow cell optical detection system comprising a light source, a flow cell and a light detector, wherein the light detector is arranged in a separate detector unit that is arranged to be releasably attached to a detector interface, the detector interface being in optical communication with the light source and comprises optical connectors for optically connecting the flow cell and the detector unit in the light path from the light source, and wherein the flow cell is an interchangeable unit arranged to be held in position by the detector unit when attached to the detector interface.
Abstract:
The invention concerns a spectroscopic measurement device comprising: - a system (2) for focusing a laser beam (3) on a sample to be analysed (4), - a system for collecting and spectroscopically analysing (17) the light rays emitted by the plasma (15), the system for collecting and analysing (17) comprising, in particular, an optic fibre (18) for collecting light. According to the invention, the device comprises: - a motorised system (23) for moving the optic fibre (18), - an optical imaging system (25) for imaging the plasma, in image form, - and a processing and control unit (24) comprising: • means for analysing the image formed by the optical imaging system in order to select an area of interest, • means for controlling the motorised system (23) in order to position the optic fibre in a position enabling it to collect light coming from the selected area of interest of the plasma.
Abstract:
The invention relates to an optical measurement device for a reaction vessel, and a method therefor. An object is to measure the optical state within a reaction vessel in an efficient, rapid, and highly reliable manner, without an expansion of the device scale. The configuration includes: a vessel group in which two or more reaction vessels are arranged; a light guide stage having two or more linking portions to which front ends of light guide portions, which have a flexibility, that optically connect with the interior of the linked reaction vessels, are provided; a connecting end arranging body that has an arranging surface that arranges and supports along a predetermined path two or more connecting ends, to which back ends of the light guide portions, in which the front ends thereof are provided to the linking portions, are provided, the connecting ends are provided corresponding to the respective linking portions; a measurement device provided approaching or making contact with the arranging surface that has measuring ends that are successively optically connectable with the respective connecting ends along the predetermined path, and in which light from within the reaction vessels is receivable by means of optical connections between the connecting ends and the measuring ends; and a light guide switching mechanism that relatively moves the respective connecting ends arranged on the connecting end arranging body and the respective measuring ends such that they are successively optically connected.
Abstract:
Die Erfindung betrifft ein Messsystem (33) zur Qualitätsüberwachung und zur Wirkstoffbestimmung von Prüflingen (43, 44), das mindestens eine lichtdurchlässige Aufnahmevorrichtung (42) für die Aufnahme von zumindest einem Prüfling (43, 44), eine NIR-Strahlungsquelle (36) sowie einen Detektor (41) für Transmission und/oder Reflexion enthält. Das Messsystem (33) umfasst zudem eine erste Messoptik (38), mit der die vom Prüfling (43) durchgelassene NIR-Strahlung (35) aufnehmbar und an den Detektor (41) weiterleitbar ist und eine zweite Messoptik (39), mit der die vom Prüfling (43) reflektierte NIR-Strahlung (35) aufnehmbar und an den Detektor (41) weiterleitbar ist. Des Weiteren weist das Messsystem (33) einen optischen Multiplexer (37) auf, der mit der ersten Messoptik (38) sowie der zweiten Messoptik (39) verbunden ist und zwischen der ersten Messoptik (38) und der zweiten Messoptik (39) sowie dem Detektor (41) angeordnet ist.
Abstract:
A fluorescence detection apparatus is provided which comprises a sample holder (4) for holding stationarily sample vessels deployed along a circle line or concentric circle lines having different radiuses, a partition plate (3) connected to a driving means (7) to be rotatable around the center of the circle line or concentric circle lines, optical means (5) for excitation light and optical means (6) for fluorescence light fixed respectively to the partition plate to be rotatable in integration therewith, a first light guide (1) constituted of numerous optical fibers, a photosensor (2), and a light source (8) for generating the excitation light, wherein the partition plate, the optical means for excitation light, and the optical means for fluorescence are integrally rotated, and thereby the fluorescence of the sample arranged along the circle line is successively detected and the detected fluorescence is transmitted to the photosensor. This fluorescence detection apparatus is useful in real-time monitoring of fluorescence signals, and satisfies the requirements of precise temperature control, quick treatment of many samples, high sensitivity, high reliability, low cost, and small size of the apparatus.
Abstract:
La couronne réactionnelle (1) portant sur sa périphérie une série de cuvettes transparentes (12) est fixe. Un disque tournant (2) concentrique à la couronne réactionnelle et orienté vers le bas, en direction du sommet de la cuvette porte une fibre optique (20) entre une partie centrale ou elle reçoit la lumière provenant d'une source lumineuse fixe (41) et une partie périphérique ou son autre extrémité (23) débouche en face du fond de la cuvette, en alignement avec le photomultiplicateur (28). Application aux analyses sanguines.