A fire detection system and method for fire detection are provided. The fire detection system includes at least one light emitting device for emitting light in a two-dimensional arrangement having multiple optical paths. The fire detection system further includes at least one light detection device for outputting respective light detection signals responsive to detecting the emitted light in each of the multiple optical paths of the two-dimensional arrangement. The fire detection system also includes a controller for identifying an abnormal condition relating to an early fire condition and initiating a set of fire sprinklers responsive to the respective light detection signals.

A system for widely spaced wavelength tunable diode laser absorption spectroscopy includes at least a first and second tunable diode laser generating laser light at a first and second wavelength, wherein laser light of the first and second wavelengths cannot co-propagate efficiently on the same single-mode fiber. A first fiber may be configured to carry light in the first wavelength, and a second fiber configured to carry light in the second wavelength. A fiber bundle may be formed from the distal ends of the first and second fibers stripped of their respective coatings, and arranged with their claddings adjacent to each other. One or more pitch heads are configured to project respective beams of laser light from the fiber bundle through a measurement zone. One or more catch heads located across the measurement zone receive the respective beams and direct the respective beams onto at least one sensor.

System and method for detecting and measuring chemical perturbations in a sample. The system and method are useful for non-invasive pH monitoring of blood or blood products sealed in storage bags.

The invention relates to a reaction container and a method for producing the reaction container, and provides a low-cost reaction container which is capable of consistently, quickly, and efficiently performing a process that includes a reaction such as extraction or amplification of a nucleic acid, while saving user's trouble without increasing the scale of the device. The reaction container is configured to comprise: one or two or more housing parts for reactions comprising: a narrow-mouthed piping part in which a reaction reagent or a portion thereof is housed or is housable; a wide-mouthed piping part that is communicated with the narrow-mouthed piping part and provided on an upper side of the narrow-mouthed piping part, and has an aperture that is wider than an aperture of the narrow-mouthed piping part; and a punchable film provided such that it partitions an interval between the wide-mouthed piping part and the narrow-mouthed piping part.

A color imaging system and method, the method comprising, for a plurality of predetermined wavelength bands of illumination, calculating weight coefficients representing the contribution of each of the wavelength bands to a specific color space, individually controlling illumination intervals of each of a plurality of illumination sources, wherein each of the illumination sources is configured to provide illumination via a waveguide in a different predetermined narrow band of wavelengths, controlling an image sensor to capture a set of monochromatic image frames synchronously with the illumination intervals, receiving a set of the captured monochromatic image frames, and generating color image data by calculating a combination of the set of image frames, each weighted by the corresponding coefficient.

An imaging device configured for optoacoustic imaging of an object, including an illumination device including optical components arranged to illuminate the object, a detector device comprising an array of detector elements arranged in a tank and arranged to detect acoustic signals created in the object, and a container device including a tank arranged to accommodate the detector device, the object and a matching transmission medium, a holding device adapted to position and move the object relative to the illumination device and the detector device, wherein the optical components are arranged in the tank to illuminate the object from different directions.

A solution for measuring a suspension which contains wood fibres. The consistency of the suspension is changed in a consistency range. Optical radiation is directed at the suspension and the intensity of optical radiation interacted with the suspension is measured at different consistencies in the consistency range. The maximum intensity of the optical radiation is determined within the consistency range. At least one of the following properties of the suspension are determined based on the determined maximum intensity: kappa number, brightness.

Proposed is a method for in-line testing and surface analysis of test material with participation of Raman spectroscopy wherein the apparatus has a column with a plurality of test units at least one of which is a wear test unit and another is a Raman spectrometer. The sample is located on a rotary table under the test units. By sequentially removing the material of the sample to a predetermined depth and then conducting the surface analysis with the use of the Raman spectrometer, it becomes possible to analyze distribution of the material components in the depth direction from the surface of the sample. delivery beams to the longitudinal axis of the Raman spectrometer

A spectroscopic system may include: a probe having a probe tip and an optical coupler, the optical coupler including an emitting fiber group and first and second receiving fiber groups, each fiber group having a first end and a second end, wherein the first ends of the fiber groups are formed into a bundle and optically exposed through the probe tip; a light source optically coupled to the second end of the emitting fiber group, the light source emitting light in at least a first waveband and a second waveband, the second waveband being different from the first waveband; a first spectrometer optically coupled to the second end of the first receiving fiber group and configured to process light in the first waveband; and a second spectrometer optically coupled to the second end of the second receiving fiber group and configured to process light in the second waveband.

A microsphere-based analytic chemistry system and method for making the same is disclosed in which microspheres or particles carrying bioactive agents may be combined randomly or in ordered fashion and dispersed on a substrate to form an array while maintaining the ability to identify the location of bioactive agents and particles within the array using an optically interrogatable, optical signature encoding scheme. A wide variety of modified substrates may be employed which provide either discrete or non-discrete sites for accommodating the microspheres in either random or patterned distributions. The substrates may be constructed from a variety of materials to form either two-dimensional or three-dimensional configurations. In a preferred embodiment, a modified fiber optic bundle or array is employed as a substrate to produce a high density array. The disclosed system and method have utility for detecting target analytes and screening large libraries of bioactive agents.