A miniaturized counterfeit detector provides multiple tests to ascertain the authenticity of currency in a rapid fashion. The miniaturized counterfeit detector comprises one or more sensors for magnetic ink testing. One or more backlights, illuminators or both may be provided for visual inspection of watermarks, florescent or other anti-counterfeiting features. The miniaturized counterfeit detector may be fastened to a surface and does not obstruct manipulation of currency to improve testing speed, especially when a number of currency items, such as banknotes or bills, are being tested.

A device for spectroscopically analysing a grain sample may include a first infrared analysis module, a second fluorescence analysis module, a third specific weight analysis module and a processing module. Each of the first and second modules may include a measurement chamber, an excitation submodule to emit at least one electromagnetic radiation towards at least a portion of the sample, a measurement submodule, and a draining system. The third analysis module may include a container, and a measurement submodule to measure a specific weight of the sample. A processing module may be connected to each of the modules and may include a memory to receive data transmitted by a communication network, the data including electromagnetic spectra acquired and specific weights measured, and a processor to couple the data received in the memory and to determine an indicator of quality of the sample from the coupled data.

A blood analysis method comprising, acquiring optical information which changes over time from a mixed liquid of a blood sample and a reagent for coagulation time measurement after mixing the blood sample and the reagent, and acquiring information related to a coagulation time and information related to a number of platelets in the blood sample based on the acquired optical information.

A method for determining a property of an object positioned on a photo-sensitive polyimide layer, wherein the photo-sensitive polyimide layer is positioned on a lower layer that is a radiation reflecting layer, the method may include illuminating, by an illumination unit, an area of the photo-sensitive polyimide layer with first ultraviolet radiation; sensing, by a first sensor, a first reflected ultraviolet radiation that was reflected from the area; and determining, by a processor, based at least in part on the first reflected ultraviolet radiation, the property of the object.

A diamond identification apparatus relates to the field of examining natural and synthetic diamonds. The claimed apparatus for identifying a cut diamond comprises a measurement location with a measuring aperture at which the cut diamond to be examined is fixedly positioned; a movable optical system including a spectrometer, two sources of radiation at wavelengths of 250-280 nm and 350-380 nm, respectively, said two sources of radiation and the spectrometer being connected to the measurement location by optical fibres for inputting radiation into the cut diamond and by an optical fibre for outputting radiation from the cut diamond; and also a source of laser radiation at a wavelength of 532 nm and a microcontroller, wherein the cut diamond is positioned at the measurement location in such a way that the table of the diamond faces the measuring aperture of the measurement location, and the culet of the diamond is situated directly above the measuring aperture to which the optical fibres for inputting radiation and the optical fibre for outputting radiation are connected, and wherein the microcontroller is configured to control the alternate operation of the sources of radiation in a set time sequence, the movement of the optical system to allow the input of radiation into the cut diamond, and the processing of the spectrometer data.

An optical feature information extraction system according to the present disclosure includes a light source part which generates light having a plurality of wavelengths; a photodetecting part which detects light of each wavelength by any one of scattering, transmission, and reflection of the generated light with respect to an object; an analog front end part amplifying a first measurement value from the photodetecting part; and a control part which extracts an optical feature value for the object based on the amplified first measurement value.

The present invention relates to a fluorescent image system capable of generating white light by mixing three monochromatic lights, i.e. red, green and blue monochromatic lights, having a narrow band wavelength, instead of white light of constant wavelength; providing a fluorescent image-use light source that generates a mixed light by adding a fluorescent excitation light source suitable for fluorescent substances; and photographing a general image and fluorescent image simultaneously with the light sources. The fluorescent image system includes a monochromatic light source to generate white light by mixing red, green and blue monochromatic lights, and a fluorescent excitation light source for fluorescent images; and includes a mixed light source to provide a mixed light which mixes monochromatic light and fluorescent light, and an image photographing device which separates the wavelengths of visible light and fluorescent light in the mixed light, and photographs a general image, fluorescent image and mixed image.

Disclosed is apparatus (1) for measuring fluorescence and absorbance of a substance in a sample, said apparatus (1) comprising: a flow cell (2) for containing a sample, a first light source (3), a first conductor (5) for transmitting light from the first light source (3) to the flow cell (2) for irradiating a sample contained therein, a second conductor (7) for transmitting light from the flow cell (2) to a sample detector (9) arranged to detect an electromagnetic radiation that has passed through said cell (2), and a processing unit (16) arranged to receive a first signal (31) from a reference detector (15) and a second signal (32) from the sample detector (9) and to determine an absorbance based on said first and second signals (31,32), said apparatus (1) further comprising a second light source (4), a third conductor (6) for transmitting light from the second light source (4) to the cell (2) and wherein the sample detector (9) is further arranged to also detect fluorescence signals in the light that has passed through the flow cell (2). The invention also relates to a method for measuring the absorbance and the fluorescence of a substance in a sample.

Systems and methods for analyzing an unknown sample are disclosed. The system includes at least one subsystem to obtain molecular information about the sample and at least one other subsystem to obtain elemental information about the sample. The system also includes a data collection component to collect and combine the information from the subsystems to create combined analytical information and a multivariate model that relates known attributes to information previously generated with at least two analytical systems that are the same types of systems as the at least two analytical subsystems. A prediction engine applies the multivariate model to the combined analytical information to produce predictions of attributes in the unknown sample.

A device for managing light pulses for measuring the reaction of a sample exposed to a first light pulse, the measurement being performed by analysis of a signal emitted by the sample subjected to a second light pulse, shifted with respect to the first pulse by a determined interval of time, the device including two optical detectors for detecting the pulses of two light beams emitted by two pulsed laser sources, respectively, each beam emitting pulses with respective repetition frequencies that are different, arbitrary and stable over a determined period in the direction of the sample; the detectors being connected to a computer for determining the interval of time between two pulses coming from the first and the second beam, respectively, and constituting the first and second pulses; the computer being connected to an analyzer for measuring the reaction of the sample having as input parameter the interval of time between the two pulses, where the computer uses an algorithm making use of the stability of the repetition frequencies for determining the interval of time.