A blood coagulation analyzer and analyzing method perform following: (a) preparing a measurement specimen by dispensing a blood specimen and a reagent into a reaction container; (b) emitting light of a plurality of wavelengths to the measurement specimen in the reaction container, the wavelengths comprising a first wavelength for use in a measurement by a blood coagulation time method, and at least one of a second wavelength for use in a measurement by a synthetic substrate method and a third wavelength for use in a measurement by an immunoturbidimetric method; (c) detecting light of a plurality of wavelengths corresponding to the light emitted in (b), from the measurement specimen, by a light receiving element, and acquiring data corresponding to each wavelength; and (d) conducting an analysis based on the data corresponding to one of the wavelengths among the acquired data, and acquiring a result of the analysis.

A digital imaging device includes: a monochromatic sensor including a plurality of photosensitive elements distributed in an array, the plurality of photosensitive elements configured to convert light falling on the monochromatic sensor into electronic signals; and a plurality of filters, each filter configured to be moved into a position in front of the monochromatic sensor, wherein each filter, when moved into the position in front of the monochromatic sensor, covers substantial portion of the monochromatic sensor. Key words include imaging sensor and layered filter.

A blood coagulation analyzer and analyzing method perform following: (a) preparing a measurement specimen by dispensing a blood specimen and a reagent into a reaction container; (b) emitting light of a plurality of wavelengths to the measurement specimen in the reaction container, the wavelengths comprising a first wavelength for use in a measurement by a blood coagulation time method, and at least one of a second wavelength for use in a measurement by a synthetic substrate method and a third wavelength for use in a measurement by an immunoturbidimetric method; (c) detecting light of a plurality of wavelengths corresponding to the light emitted in (b), from the measurement specimen, by a light receiving element, and acquiring data corresponding to each wavelength; and (d) conducting an analysis based on the data corresponding to one of the wavelengths among the acquired data, and acquiring a result of the analysis.

Disclosed are systems and methods for calibrating integrated computational elements. One method includes measuring with a spectrometer sample interacted light comprising spectral data derived from one or more calibration fluids at one or more calibration conditions, the one or more calibration fluids circulating in a measurement system, programming a virtual light source based on the spectral data, simulating the spectral data with the virtual light source and thereby generating simulated fluid spectra corresponding to the spectral data, conveying the simulated fluid spectra to the one or more ICE and thereby generating corresponding beams of optically interacted light, and calibrating the one or more ICE based on the corresponding beams of optically interacted light.

A method for detecting a molecule in a sample includes applying a first filter to an image at a first wavelength. The method also includes applying a second filter to the image at a second wavelength. The method also includes applying a third filter to the image at a third wavelength. The first, second, and third wavelengths are within a predetermined wavelength range, and wherein first, second, and third wavelengths are different from one another. The method also includes detecting a spectral signature for the molecule in the sample in the image after the first, second, and third filters are applied to the image. The method also includes determining whether the molecule is present in the sample based at least partially upon the detected spectral signature.

Device for improving an optical detecting smoke apparatus and implementing thereof. Apparatus and methods for detecting the presence of smoke in a small, long-lasting smoke detector are (disclosed. Specifically, the present disclosure shows how to build one or more optimized blocking members in a smoke detector to augment signal to noise ratio. This is performed while keeping the reflections from the housing structure to a very low value while satisfying all the other peripheral needs of fast response to smoke and preventing ambient light. This allows very small measurements of light scattering of the smoke particles to be reliable in a device resistant to the negative effects of dust. In particular, geometrical optical elements, e.g., cap and optical defection elements, are disclosed.

An optical inspection device includes: a barrel; a first light source unit at a first side of the barrel and configured to irradiate light of a first wavelength range through a first light path; a second light source unit at a second side of the barrel, the second side being different from the first side, and configured to irradiate light of a second wavelength range that is different from the first wavelength range through a second light path; and a camera. At least a portion of the first light path is different from the second light path.

The invention provides spectroscopic systems and spectrometers employing an optical interference filter module having a plurality of bandpass regions. In certain embodiments, the systems include a mechanism for wavelength tuning/scanning and wavelength band decoding based on an angular motion of one or more filters. A spectral processing algorithm separates the multiplexed wavelength-scanned bandpass regions and quantifies the concentrations of the analyzed chemical and/or biological species. The spectroscopic system allows for compact, multi-compound analysis, employing a single-element detector for maximum performance-to-cost ratio. The spectroscopic system also allows for high-sensitivity measurement and robust interference compensation.

A gas analysis system and method filter different wavelengths of incident light using a variable light filter at different locations along a length of the variable light filter to form filtered light. The variable light filter is configured to be disposed between a light source generating plural different wavelengths of the incident light and a gas sample. Intensities of wavelengths of the filtered light are determined after the incident light generated by the light source passes through the variable light filter and the gas sample. The gas sample may be identified from among different potential gasses based on the intensity of the one or more wavelengths of the filtered light that is determined by the light detector.

The present disclosure provides an instrument and methods for detecting an analyte, comprising a light source capable of generating excitation light for exciting a plurality of luminescence labels, an excitation beam path extending between said light source and said analyte, a detector capable of detecting light emitted from said luminescence label, an emission beam path extending between said analyte and said detector, a filter carrier carrying two or more pairs of filter portions, each pair being related to one luminescence label and comprising a first filter portion for transmitting excitation light and a second filter portion for transmitting emitted light, wherein said first filter portion of one pair is said second filter portion of another pair, and wherein said filter portions are arranged in a manner that a respective one of said pairs can be brought in an operative condition in which said first filter portion is in said excitation beam path and said second filter portion is in said emission beam path, and wherein said filter carrier and said beam paths are movable with respect to each other by at least one moving mechanism so as to bring a respective one of said pairs in said operative condition.