An identification system (1) includes a transmitter (131) for transmitting pulsed light via an optical fiber (10); a receiver (132) for receiving backscattering light of the pulsed light from the optical fiber (10); a detector (133) for detecting, from the backscattering light, the condition of environment surrounding the optical fiber (10); and an identifier (320) for identifying sagging of the optical fiber (10) from a detection result by the detector (133).

It is desirable to provide an information processing apparatus, an information processing method, a program, and a monitoring system capable of monitoring a condition of a measured surface highly accurately and using the monitoring result effectively. To attain the aforementioned object, according to a mode of the present invention, an information processing apparatus includes an obtaining module and a generating module. The obtaining module obtains measuring data about a measured surface. The generating module generates covering material information about a covering material that covers the measured surface based on a feature of the obtained measuring data.

Spectrophotometer system configured to characterize and/or measure spectrally (wavelength)-dependent properties of material components (such as molecular, viral, and/or bacterial analytes) associated with or of an object prior to the time when optical fingerprints of such material components start to degrade, and associated methods. System can be enhanced by a capability of selecting specific wavelengths of operation for such system to optimize cost-efficiency of the system.

A combined capability sensor includes a first laser source and a second laser source. The first laser source is configured to emit light having a wavelength in at least one of an infrared spectrum and a visible spectrum and the second laser source is configured to emit light having a wavelength in a blue or ultraviolet spectrum. A director is configured to direct the first and second laser source to a detection zone. A first sensor is configured to detect scattered light originating from the first laser source, thereby detecting a presence of smoke in the detection zone. A second sensor is configured to detect fluoresced light originating from the second laser source, thereby detecting a presence of a biological agent in the detection zone.

An optical sensor system may include a light source. The optical sensor system may include a concentrator component proximate to the light source and configured to concentrate light from the light source with respect to a measurement target. The optical sensor system may include a collection component that includes an array of at least two components configured to receive light reflected or transmitted from the measurement target. The optical sensor system may include may a sensor. The optical sensor system may include a filter provided between the collection component and the sensor.

The present disclosure discloses an apparatus for determining characteristics of a fluid. The apparatus includes a visible light producing LED array, an optical system, and a microcontroller. In the apparatus, the visible light producing LED array emits light and produces a light beam for irradiating an object. Further, in the apparatus, the optimal system includes a grating to receive irradiated light from the object through a collimator and disperse the light into wavelengths, a focusing lens and a linear image sensor arranged at a focal plane of the focusing lens to convert the light by the grating and focused by the focusing lens, into electrical signals. Lastly, in the apparatus, the microcontroller is connected to the sensor and processes the electrical signals and communicates for processing.

An optical analysis of saliva or a fluid-saliva mixture is performed in order to check whether the saliva or fluid-saliva mixture contains blood, which allows for determining whether or not a person may suffer from gingivitis or another condition affecting gum health. Light received from a representative volume of fluid (23) containing saliva is detected and analyzed. The analysis involves determination of at least one measurement value of light received by a light-receiving unit (25) for only a single wavelength of the light, particularly a wavelength that is associated with high absorption by a constituent of blood. It this respect, it is practical if the light-receiving unit (25) is configured to receive reflected light back from the volume of fluid (23). The optical analysis may be performed real-time during an action in a person's mouth involving a gum agitation effect, or after such action has taken place, for example.

A device for optical detection of analytes in a sample includes at least two optoelectronic components. The optoelectronic components include at least one optical detector configured to receive a photon and at least one optical emitter configured to emit a photon. The at least one optical emitter includes at least three optical emitters disposed in a flat, non-linear arrangement, and the at least one optical detector includes at least three optical detectors disposed in a flat, non-linear arrangement. The at least three optical emitters and the at least three optical detectors include at least three different wavelength characteristics.

A device for optically identifying surfaces, in particular for optically identifying structured and/or pictorial surfaces, spaces and/or e.g. paintings or sculptures is simple to use independently of the location. For this purpose, the device includes a housing in which light-emitting and light-receiving elements are arranged, and the device also includes a first portion having at least one lens, a portion that follows the first portion in the longitudinal direction and has a screen, and an adjoining handle portion.

A method for retrieving a corrected spectrum from a measured spectrum (e.g., retrieving a top-of-water spectrum from a measured top-of-atmosphere spectrum) includes creating a scene-specific model of a region of interest and performing a ray-tracing simulation to simulate rays of light that would reach an airborne (or spaceborne) sensor. The region of interest can be an optically complex area such as an inland or coastal body of water. Based on the ray-tracing simulation, a scene-specific correction for unwanted effects (e.g., adjacency effects, variable atmospheric conditions, and/or other suitable effects) is obtained. A corrected spectrum is obtained by correcting the measured spectrum using the scene-specific correction. The ray-tracing simulation may be performed using a graphical processing unit, allowing the scene-specific correction to be performed in real time or near real time.