Abstract:
A spectrometer includes a light source configured to emit a beam along a beam path through a sample volume comprising an analyte. Also included is at least one detector positioned to detect at least a portion of the beam emitted by the light source, and at least one reflector positioned along the beam path intermediate the light source and the at least one detector having a surface roughness greater than a predefined level such as 20 Å RMS.
Abstract:
Provided is a microscope device which includes: (1) a light source (10) that outputs illumination light in a wavelength band including a near-infrared region; (2) an illumination optical system (30) that irradiates an observation target (90) with the illumination light output from the light source; (3) an image formation optical system (40) that includes a spectroscopic unit which is configured to receive and disperse transmitted or scattered light produced at the observation target by irradiating the observation target with the illumination light, and that forms an image on the basis of the dispersed transmitted or scattered light; and (4) an image capturing unit (50A) that acquires the image formed by the image formation optical system. An illumination-light-irradiated area of the observation target is larger than an area of the field of view of the image formation optical system (40), and is less than or equal to ten times the area of the field of view.
Abstract:
The present invention discloses a mail detection device and method. The device comprises a broad-band terahertz generator, a collimator, a beam splitter, a fixed reflector, a movable reflector, a wave buncher, a matrix detector, an acquisition card and an information processing module; wherein the information processing module is used for generating a terahertz image of a mail to be detected according to the electric signals sent by the acquisition card when the movable reflector is motionless; and when finding suspicious articles according to the terahertz image of a mail to be detected, the information processing module controls the movable reflector to move, and generates spectral information of the suspicious articles according to an electric signal sequence sent by the acquisition card during the movement of the movable reflector.
Abstract:
A spectrometer (100) for characterizing a radiation beam, the spectrometer (100) comprising an optical radiation guiding system comprising a collimator (110) for collimating the radiation beam into a collimated radiation beam, and a beam shaper (120) for distributing the power of the collimated radiation beam over a discrete number of line shaped fields, and a spectrometer chip (130) wherein the spectrometer chip (130) is adapted for processing the radiation in a discrete number of line shaped fields coming from the beam shaper (120).
Abstract:
A surface plasmon fluorescence analysis device that has a chip holder, a light source, an angle adjustment unit, a light sensor, a filter holder, an excitation light cut filter, a scattered light transmission unit, a transmission adjustment unit, and a control unit. As seen in plan view, the area occupied by the scattered light transmission unit is arranged on the excitation light cut filter or on the filter holder and is smaller than the area of a fluorescence transmission region as seen in plan view.
Abstract:
The present disclosure generally relates to an optical measurement module, an optical measurement device, and a method for optical measurement. The optical measurement module provides optical architecture to measure the optical properties of an analyte. The optical measurement device comprising the optical measurement module is configured to measure the optical properties of an analyte. The method for the optical measurement provides steps for optical measurement.
Abstract:
The invention relates to a device (1) for the light spectroscopic analysis of a small amount of a liquid sample, comprising a receiving point (3) for receiving small amounts of the liquid sample, and light conductors (5, 6) which guide light of a light source to the sample and guide signal light from the sample in the direction of a detector, and is characterised in that an illumination source (7) is arranged below the receiving point (3), and a region (8) below the receiving point (3) which is permeable for the light of the illumination source (7), is provided such that the illumination light illuminates the receiving point (3).
Abstract:
An efficient absorption spectroscopy system is provided. The spectroscopy system may be configured to measure solid, liquid or gaseous samples. Vacuum ultra-violet wavelengths may be utilized. Some of the disclosed techniques can be used for detecting the presence of trace concentrations of gaseous species. A preferable gas flow cell is disclosed. Some of the disclosed techniques may be used with a gas chromatography system so as to detect and identify species eluted from the column. Some of the disclosed techniques may be used in conjunction with an electrospray interface and a liquid chromatography system so as to detect and identify gas phase ions of macromolecules produced from solution. Some of the disclosed techniques may be used to characterize chemical reactions. Some of the disclosed techniques may be used in conjunction with an ultra short-path length sample cell to measure liquids.
Abstract:
The invention relates to a measuring module (1) for remission photometric analysis of one (9) or a plurality of specimens with the following features: - a transmitter (7) with a transmission channel (3) for transmitting a measuring radiation (12a) to the location of the specimen (9); - a first focussing device (5) for focussing the measuring radiation on the specimen; - a receiver (8) with a receiving channel (4) to receive the radiation (12b) reflected by the specimen; - a second focussing device (6) made of plastic for focussing the measuring radiation reflected by the specimen onto the receiver (8), characterized in that the second focusing device (6) further comprises a filter (11) which is designed to filter a fluorescence radiation from the specimen excited by the measuring radiation.
Abstract:
Die vorliegende Erfindung betrifft einen Trübungssensor, insbesondere für den Einsatz zur Messung im durchflossenen System, basierend auf dem nephelometrischen Konzept umfassend mindestens eine Lichtquelle (2), mindestens einen Photoempfänger (3) zum Empfang von Streulicht, einen von Flüssigkeit durchströmbaren Raum (4), in dem aufgrund der Eigenschaft und/oder Beschaffenheit der Flüssigkeit eine Streuung des von der Lichtquelle (2) ausgesendeten Lichts erfolgt, das Streulicht vom Photoempfänger (3) detektierbar ist und dessen Empfangssignale einer Auswerteschaltung zuführbar sind. Die Lichtquelle (2) befindet sich innerhalb des von Flüssigkeit durchströmbaren Raums (4) und ist derart orientiert, dass der Lichtstrahl (5) parallel zur Fluidströmung, insbesondere entgegen der Strömungsrichtung, gerichtet ist und der Photoempfänger (3) senkrecht zur Richtung des Lichtstrahls (5) positioniert ist.