Abstract:
Spectral device includes: diffraction element which disperses light for each wavelength; optical condensing system which condenses diffracted light of specific order generated by diffraction in the diffraction element; photo-detector arranged at position where the diffracted light of the specific order is condensed by the optical condensing system; first deflection device which inverts the direction of travel of second light as zeroth-order diffracted light generated by diffraction of first light which has entered the diffraction element as parallel luminous flux, and leads the second light into the diffraction element; and second deflection device which deflects the diffracted light of the specific order generated by diffraction of the second light which has entered the diffraction element in the same direction as the diffracted light of the specific order generated by the diffraction of the first light, and leads the deflected light into the optical condensing system.
Abstract:
A spectroscopic measuring apparatus with monitoring capability includes a first optical path that extends from a measuring object through an optical system and a slit of a slit-mirror block to a spectroscope main body and a second optical path that extends from the measuring object through the optical system and a mirror face of the slit-mirror block to a two-dimensional photographing unit. The slit and spectroscope main body are integrated into a spectroscopic unit.
Abstract:
A measuring apparatus and a measuring method are provided. The measuring apparatus includes an optical system to condense light, a light receiving device to receive light condensed by the optical system at a plurality of light receiving positions and convert the light into an electric signal, a plurality of optical band-pass filters arranged near a lens stop of the optical system, each of the optical band-pass filters having a different spectral transmittance, a lens array arranged between the optical system and the light receiving device, the lens array having a plurality of lenses each of which is arranged substantially in parallel with a two-dimensional surface of the light receiving device, and a correction unit to correct the electric signal for each one of the plurality of light receiving positions of the light receiving device. The measuring method is performed by the measuring apparatus.
Abstract:
A portable hyperspectral imager. The imager is modular and may include a hyperspectral camera and a removably-coupled mobile display module. The hyperspectral camera may include an Offner spectrometer. The mobile display module may be adapted to receive data from the hyperspectral camera and may include an internal camera. The mobile display module may include a cell phone or a tablet computer. The mobile display module may be integrally attached to the hyperspectral camera. The integral attachment may include a data link or USB connection. The length of the data link or USB connection may be less than 6 inches and the imager may weigh less than one pound. The imager may include a battery module or a scanning optical module.
Abstract:
A system and a method for acquiring an image of a particle flowing in a vessel, the system comprising a light source for generating an illuminating light, an imaging probe for laterally statically illuminating at least a portion of said vessel with the illuminating light, a detection unit for detecting emitted light from an illuminated portion of said particle, and a processor unit for reproducing an image of the illuminated portion of said particle from the emitted light.
Abstract:
A densitometer includes a plurality of light-emitting diodes (LEDs) and at least one sensor. The LEDs are activated one at a time in a sequential, repeatable order. Photonic energy from each LED is reflected off an entity and is incident upon the sensor(s). Circuitry samples or acquires signaling from the sensor(s) in accordance with the respective LED activations. Signaling from the densitometer can be used in controlling ink-jetting printers or other apparatus.
Abstract:
Systems and tools for detecting the presence of a substance of interest is presented. The system utilizes a hyperspectral imaging camera to obtain images of an enclosed area, such as a vehicle. Vehicles can include cars, trucks, trains, or boats. The system also includes a processor and storage device. The processor receives the images taken by the hyperspectral imaging camera. Next, the processor determines whether such images contain certain substances. These substances include alcohol, carbon monoxide, illegal substances, and hazardous chemicals. The storage device is electrically coupled to the processor, and is used to store certain data information such as detection events, substance detected, and the time of detection. Such information can be sent over the internet, or streamed live to a laptop at a remote location. The present embodiment can be used by law enforcement to monitor vehicles of interest, and become an important part of public safety.
Abstract:
A multi-spectral system characterizes point events and other rapidly-occurring events by filtering spectral bands from a point event to form spectral diagrams of the event.
Abstract:
The invention relates to a sensor for checking value documents with a detection device having at least two photodetectors through which the detection light of the value document is detectable in at least two different spectral regions. The detection device contains a collecting optic common to the photodetectors, through which the detection light emitted by the value document in a detection region can be collimated to a light beam. Each of the photodetectors has associated therewith a detector lens which receives a partial light beam of the light beam collimated by the collecting optic and directs it onto the respective photodetector, so that the detection region substantially coincides for the different photodetectors. By the sensor there can be detected different spectral portions of the detection light of the same detection region separately from each other at the same point in time.
Abstract:
A test strip detection system, comprising a test strip card (1) and a detection device (2); the test strip card (1) comprises a card box (16), a built-in test strip (15) and an electronic label (20) matched with the built-in test strip (15); the electronic label (20) stores parameters such as the standard working curve of an object to be detected and the like; the detection device (2) comprises an optical system (3), a photoelectric detector (4), an analog/digital converter (5), a data processing device (6), an electronic label read-write module (10) with an aerial (11), a voice module (34), a cell box (7) and an output display device (8). The system further comprises a wireless communication module (12) and a wireless network system (13) connected with the wireless communication module (12) and comprising a remote server (14). The data processing device (6) calculates a sample detection result according to the characteristic frequency optical signals transmitted by a test strip detection band (27) and a quality control band (28) in combination with an electronic label (20) transmission parameter; the detection result is displayed on the output display device (8); the voice module (34) vocally prompts the detection result at the same time; the detection result is transmitted to the remote server (14) via the wireless communication module (12) for data management and information feedback.