50results about "Radiation pyrometry" patented technology

A reactor for processing a substrate includes a first housing defining a processing chamber and supporting a light source and a second housing rotatably supported in the first housing and adapted to rotatably support the substrate in the processing chamber. A heater for heating the substrate is supported by the first housing and is enclosed in the second housing. The reactor further includes at least one gas injector for injecting at least one gas into the processing chamber onto a discrete area of the substrate and a photon density sensor extending into the first housing for measuring the temperature of the substrate. The photon density sensor is adapted to move between a first position wherein the photon density sensor is directed to the light source and a second position wherein the photon density sensor is positioned for directing toward the substrate. Preferably, the communication cables comprise optical communication cables, for example sapphire or quartz communication cables. A method of processing a semiconductor substrate includes supporting the substrate in a sealed processing chamber. The substrate is rotated and heated in the processing chamber in which at least one reactant gas is injected. A photon density sensor for measuring the temperature of the substrate is positioned in the processing chamber and is first directed to a light, which is provided in the chamber for measuring the incident photon density from the light and then repositioned to direct the photon density sensor to the substrate to measure the reflection of the light off the substrate. The incident photon density is compared to the reflected light to calculate the substrate temperature.

A touch indication device comprises a light guide structure for passing light of a light source via total internal reflection. A touch surface disturbs the total internal reflection when touched, causing light to leave the light guide structure. A light enhancement layer converts the light leaving the light guide and sends the converted light to a light detector. The light enhancement layer amplifies the intensity and/or changes the color of the light leaving the light guide. The detector determines the position of the touch on the touch surface based on the light from the light enhancement layer.

The invention provides a system and method for automatically detecting foreign object debris (FOD) on airfield runways, belonging to the technical field of automatic control of aviation. The system comprises a detector, an optical characteristic database, an FOD database, an object motion state analysis device, an object physical attribute analysis device, an estimation device of threat severity grade of the object towards the airplanes, an alarm device, a remote monitoring device and a workstation removing device. By the system and the method, all-day, all-weather and full-automatic detection, identification and alarm can be carried out on the FOD targets and the accuracy of automatic detection and alarm can be substantially improved.

The invention discloses a high-light-spectrum full-polarization detection device for interference light field imaging, comprising a prepositioned optical telescoping system, a transverse cutting interference system, a light field imaging system, an area array detector and a signal processing system, which are arranged in sequence, wherein light of a target to be detected sequentially passes through the prepositioned optical telescoping system, the transverse cutting interference system and the light field imaging system to reach to the area array detector; and the signal processing system is used for extracting a two-dimensional space image, high-light-spectrum information and a full-Strokes polarization component of the target to be detected from the area array detector. With the adoption of the detection device, light strength information of a target two-dimensional space, the full-Strokes polarization component of each point of the target, and high-resolution-ratio light spectrum information of each point of the target can be obtained by one time of measurement; and the detection device has a simple structure.

A system for the detection of bacteria based on bacteria-antibody complexes. Bacteria attached to antibody are detected with resonance Raman spectroscopy. The bacteria are detected directly in a great numerical excess, e.g. 100 to 10,000 of antibody molecules. A sample to be tested is placed in a medium, the medium containing antibodies attached to a surface for binding to a specific bacteria to form an antigen to antibody complex. The medium is contacted with a beam of light energy. The bacteria, as a lower resonance enhanced Raman backscattered energy, is analyzed for the presence or absence of the bacteria.

Apparatus, systems, and methods may operate to transmit energy to a nanofiber sampling coil and/or a nanofiber reference coil. Further activity may include receiving the energy as modified by evanescent interaction with a sampled material located proximate to the sampling coil and/or as modified by propagation through the reference coil, and comparing the energy modified by evanescent interaction with the energy modified by propagation through the reference coil to determine a spectroscopic property of the sampled material. Additional apparatus, systems, and methods, including the use of nanofibers and fluorescence induced by evanescent radiation to conduct spectroscopic analysis, are disclosed.

A double grating common CCD spectrograph disclosed by the present invention comprises double slits, a diaphragm, a collimating mirror, gratings, a planar turning mirror, a focusing mirror and a CCD detector. The double slits are used to place the optical fibers of double spectral coverage and are placed on a focal plane of the collimating mirror, the diaphragm is used to limit the calibers of thelight beams emitted out by the optical fibers of double spectral coverage, and the collimating mirror collimates the light beams emitted out by the optical fibers on the double slits into the parallellight; the gratings separates the colors of the parallel light collimated by the collimating mirror, the planar turning mirror is used to reflect the light beams after the color separation, the focusing mirror is used to focus the reflected light beams, and the CCD detector images the focused light beams. The double grating common CCD spectrograph provided by the present invention can avoid the usage of the mechanical motion parts, and enables the stability of an instrument to be increased and the size of the instrument to be shrunk.

The invention discloses an auxiliary imaging system and an automatic control method for a reduction furnace. The auxiliary imaging system comprises an infrared monitoring probe and an analog-to-digital converter chip, wherein the infrared monitoring probe comprises a CCD camera; the infrared monitoring probe is fixed at a reduction furnace sight glass; when light at the reduction furnace sight glass is focused into an image through a lens of the CCD camera, the CCD camera can convert the light of the image into a charge parameter, convert the charge parameter into a digital signal through theanalog-to-digital converter chip, and convert the digital signal into a digital image through compression storage; and the system processes the digital image to obtain control parameters.

A method for the detection or determination of a target comprising a plurality of target compounds, or derivatised target compounds, said method comprising: immobilising said target on a carrier, directing radiation at said target, said radiation being selected to cause said target to emit a relevant radiation, detecting said relevant radiation emitted by said target, and analysing said detected radiation to identify and/or quantify the plurality of target compounds in said target.

The embodiment of the invention discloses an enabling control circuit of a reading circuit of an infrared focal plane array. The enabling control circuit comprises an and gate, an external control circuit, a simulation power-on and power consumption detection circuit, and a digital power-on detection circuit. The external control circuit, the simulation power-on and power consumption detection circuit and the digital power-on detection circuit are connected to three input ends of the and gate respectively, and the output end of the and gate outputs an enabling control signal. According to the enabling control circuit, the enabling control signal is jointly controlled through an external control signal, a digital power-on detection signal and a simulation power-on and power consumption detection signal, the simulation power-on and power consumption detection signal is added to an enabling control module, thus whether a simulation module is powered on or not can be detected, the situation of overhigh power consumption can be prevented on the whole, and power consumption is effectively controlled.

An apparatus (1) for measuring the transmission or attenuation of electromagnetic radiation through an object (6), said apparatus including an electromagnetic radiation emitter (2) and detector (3), characterised in that to perform transmission/attenuation measurements, the apparatus in configurable such that said emitter (2) is positioned immediately adjacent the surface of said object (6) and said detector (3) is positioned on an opposing side of the object (6) such that the detector (3) solely, or at least substantially receives electromagnetic radiation transmitted through the object (6) from the emitter (2).

The invention provides an unmanned plane device with a function of giving an alarm against the overheating of high-voltage equipment, and the device comprises an unmanned plane body, an unmanned plane thermosensitive signal temperature-sensing apparatus, a radio signal transmitting system, a ground thermosensitive radio signal receiving system, a control module, and an alarm. In operation, a remote-control unmanned plane is started to rise, and flies in the space above power high-voltage equipment or a high-voltage transmission line in a transformer station for inspection. The remote-control unmanned plane achieves the temperature inspection and monitoring of the power high-voltage equipment and the high-voltage transmission line through a wide-angle infrared thermosensitive lens. A radio signal transmitter enables a thermosensitive radio signal to be transmitted to a ground thermosensitive radio signal, thereby forming a heating image which is used by an operator for observing the power high-voltage equipment in real time. Moreover, the information is transmitted to the control module, and the control module carries out analysis and gives an alarm. Compared with a conventional unmanned plane for the inspection and monitoring of the power equipment, the device has great advantages in guaranteeing the personal safety and operation safety of the power grid.

The invention relates to a hyperspectral sparse unmixing device and belongs to the technical field of hyperspectral unmixing. The device comprises a first box body, an air inlet fan, an air inlet cylinder, a filtering grid plate, a noise reduction assembly, a sponge, a damping cotton and a filtering assembly, wherein one end of the air inlet cylinder is inserted and fixed in the side wall of the first box body, the air inlet fan is arranged between the upper inner wall and the lower inner wall of the air inlet cylinder, the filtering grid plate is vertically arranged between the upper inner wall and the lower inner wall of the air inlet cylinder and is positioned at one end port of the air inlet cylinder. According to the invention, the noise reduction assembly filters redundant waves of the signal in the low-pass filter, and real-time additive noise such as cloud layer, atmosphere and the like in the acquisition process is removed, filtered and quantized, so that the quality of the hyperspectral image is improved, and the extraction precision of the end element generating sparse demixing is improved; the multi-scale geometric analysis is achieved by adopting the optical filteringtechnology through the filtering assembly, the sparse demixing efficiency is greatly improved on the premise of ensuring the reconstruction precision, and the rapid and effective sparse decompositionis achieved.

An electronic cassette has a casing and a radiation detection device accommodated inside the casing, which detects radiation emitted from a radiation source and having passed through a subject, and converts the radiation into radiation image information. The electronic cassette further includes a winding member accommodated rotatably inside of the casing. The radiation detection device includes a flexible base. The radiation detection device is wound on the winding member, and a portion of the radiation detection device is capable of being pulled outside of the casing.

The present invention relates to an optical device for assessing optical depth (D) in a sample (100) illuminated by polarized radiation (20) from a source (10). A first and a second radiation guide have their end portions (3Oa′, 30b′) arranged for capturing reflected radiation (25a, 25b) from the sample. A detector (40) measures a first polarization (P1) and a second polarization (P_—2) of the reflected radiation (25), and a first and a second intensity (II, 12) of the reflected radiation (25a, 25b) in the first (30a) and the second (30b) radiation guide, respectively. Processing means (60) then calculates a first (f) and a second (g) spectral function, both spectral functions (f, g) being indicative of single scattering events in the sample. The processing means (60) is further arranged to calculate a measure of the correlation (C) between the first (f) and a second (g) spectral function so as to assess whether the single scattering events originate from substantially the same optical depth (D) within the sample. Thus, the causal relation between the first and second spectral functions can be used for assessing whether the single scattering events giving rise to the two spectral functions come from substantially the same optical depth (D) within the sample. The invention is particular advantageous for optically probing an epithelial layer of a patient.

The invention discloses a welded joint fatigue limit rapid prediction method based on a fatigue damage entropy production rate. A butt joint test piece is used for carrying out a fatigue test on a PLG-200 high-frequency fatigue testing machine; the temperature rise of the butt joint in the fatigue test process is measured; a butt joint cumulative fatigue damage entropy model is established, a welding joint fatigue limit rapid prediction mathematical model based on a cumulative damage entropy production rate is preliminarily established, an intersection point between two linear fitting functions is obtained, and a welding joint is predicted by using a lifting method to obtain a fatigue limit test value; and the fatigue limit prediction value is compared with the fatigue limit test value toobtain an error value. According to the method, the function relationship between the cumulative fatigue damage entropy production rate and the fatigue limit is established, the turning point of the cumulative fatigue damage entropy production rate along with the change degree of the load level is found, and the turning point is used as the prediction value of the fatigue limit, so that the fatigue limit can be rapidly predicted from the perspective of the fatigue damage entropy production rate.

A multichannel polarization stabilizer including a mixing device responsive to a sample beam and a reference beam that provides an in-phase signal including the mixed sample beam and reference beam having a relative phase of 0° and a quadrature phase signal including the mixed sample beam and reference beam having a relative phase of 90°. The stabilizer also includes a photodetector responsive to the quadrature phase signal that converts the quadrature phase signal to a quadrature phase electrical signal. A polarization demultiplexer circuit receives the quadrature phase electrical signal and measures the amplitude of a frequency tone in the sample beam and provides a polarization amplitude signal. A polarization controller receives the polarization amplitude signal and controls the reference beam to maximize the polarization amplitude signal.

The invention discloses a non-gaussian integer digital multi-channel pulse analyzer of a spectrograph. A pre-amplified signal is directly sampled and subjected to amplitude analysis. Due to the fact that the pre-amplified signal is used as a sampled signal, the rising edge is fast and less than 300ns in general; a falling edge is slow and not greater than 20mus in general; the overlapping opportunity of peak positions of the rising edge is fewer under the condition of high counting rate; the lowest point and the highest point of the rising edge are tracked in novel multi-channel pulse analysis, and the difference value between the highest point and the lowest point is a multi-channel value correspondingly. Compared with the previous analysis method, the effect of baseline noise on the peak position is small; the method for judging peaks adopts continuous signal amplitude rising for three times; a peak is determined when the value is greater than a fixed value, and either noise or a real peak can be easily distinguished.

The invention aims at providing an infrared-ray absorption film having a low reflection factor and a high absorption ratio equivalent to those of gold black through an economical process such as ink jet printing involving the steps of printing a porous material solution and then conducting sintering without using a vacuum process. The invention provides an infrared-ray absorption film using a porous material which suitably has a pore size within the range of hundreds of nm to several μm and is formed of a metal oxide of carbon or silica, an organic/inorganic hybrid material or a meso-porous material having the composition described above. The infrared-ray absorption film is produced by applying the porous material precursor solution onto a substrate and then conducting sintering.

A method and apparatus for determining a color and brightness of an LED, when the LED is biased with a current pulse. The apparatus includes a sensor having a plurality of filters and an output probe connected to the sensor, the output probe providing a color output and a brightness output in a single signal. The sensor may further include an input probe connected to the sensor providing power and a ground probe connected to the sensor providing a grounded connection to the sensor. The plurality of filters in the sensor are preferably configured in a matrix array of color receptors having different colors. The method of this invention utilizes pulsing/dynamic sampling to determine a frequency and/or a brightness of the LED output.

The embodiment of the invention provides a display device, electronic equipment and a control method of the electronic equipment. The display device comprises a display screen, a dimming assembly which is arranged on one side of the display screen; a first light sensor which is arranged on one side, deviating from the display screen, of the dimming assembly; a second light sensor which is arrangedon one side, deviating from the display screen, of the dimming assembly; wherein the dimming assembly is used for filtering ambient light penetrating through the display screen and light emitted by the display screen, so that the first light sensor receives the light emitted by the display screen, and the second light sensor receives the light emitted by the display screen and the ambient light.Due to the fact that the first light sensor can only receive light emitted by the display screen, and the second light sensor can receive light emitted by the display screen and ambient light, the ambient light intensity can be calculated through the difference between the light received by the first light sensor and the light received by the second light sensor, calculation is simple, and the operand of a software side can be reduced.

A switch cabinet monitoring device provided by the present invention comprises a switch cabinet, a monitoring device and a plurality of detection devices, the plurality of detection devices comprise humidity sensors installed on the outer side wall of a shell and infrared temperature measurement probes located at different positions in the switch cabinet, and the infrared temperature measurement probes are fixed through swing pieces. And the infrared temperature measurement probes are connected with the control module through wireless communication. The monitoring method of the switch cabinet monitoring device comprises the steps that S1, a motor is started firstly, and the output end of the motor drives a main shaft to rotate; s2, the infrared temperature measurement probes collect infrared rays emitted by an electrical apparatus element; s3, the acquired data is sent to a communication module, and the data is processed through a mainboard; and s4, the processed data are displayed through a displayer, and an alarm device gives an alarm when the temperature exceeds the early warning range. The motor drives the main shaft to rotate, and the mounting seat drives the infrared temperature measurement probes to rotate, so that the detection area of the infrared temperature measurement probes is increased, and detection blind spots are reduced.

The invention discloses a handheld intelligent electrical line temperature patrol device, system and method, and belongs to the technical field of electrical fire monitoring. The device comprises an infrared thermal imaging shooting part for shooting a thermal image of an electrical circuit, the wireless communication part is used for establishing wireless communication connection between the MCUand other equipment outside the temperature patrol device; the display module is used for displaying the electrical circuit thermal image and the alarm information sent by the MCU; wherein the input module is used for inputting data and/or operation control commands to the MCU, the alarm circuit is used for giving an alarm when the temperature of an electrical circuit is higher than an early warning temperature, the power supply is used for supplying power to all parts, and the storage card is used for permanently storing data and the temporary storage part is used for temporarily storing dataand is electrically connected with the MCU at the same time. The temperature patrol device is handheld and portable in structure, low in cost and convenient to maintain, non-professional technicianscan patrol electric fire hazards on site according to a patrol plan, and the patrol management level of building electric line fire hazards is improved.

The invention discloses a spectral noise reduction method based on digital filtering. The spectral noise reduction method comprises the following steps of: 1, selecting a spectral signal S to be denoised, 2, designing a frequency-amplitude response function PF of the spectral signal S to be denoised, 3, converting the frequency-amplitude response function PF to obtain a corresponding filtering convolution transfer function H, 4, calculating the convolution Y of the spectral signal S to be denoised and the convolution transfer function H, 5, intercepting data with the same length as the S fromthe beginning of the Y, i.e., a result after noise reduction of the S, and 6, selecting parameters Wr and Wp with optimal filtering effects to obtain a corresponding optimal filtering convolution transfer function H, and then obtaining an optimal noise reduction result. Data points obtained through the method are more compact and uniform, an end point is not cut off, and the length of a data sequence can be selected according to the precision requirement; and polynomial order limitation does not exist, the Runge phenomenon occurring under a high-order condition does not exist, and the result is more precise.

The invention discloses a broadband spectrum shaping device which comprises a plurality of asymmetric Mach-Zehnder interferometers which are connected in series and have different shaping parameters. The asymmetric Mach-Zehnder interferometer is provided with two interference arms with different arm lengths; the shaping parameter is an arm length difference and/or a coupler light splitting coefficient. The invention further discloses a calculation type spectral measurement device. The broadband spectrum shaping device is based on a common waveguide structure, does not need higher process precision like a grating or a photonic crystal device, does not introduce additional scattering loss, is easy to design, does not need higher processing precision, and has larger working bandwidth and higher precision. According to the calculation type spectrum measurement device, the input spectrum can be reconstructed with high precision through single measurement, due to the fact that the broadband spectrum shaping device is adopted, the manufacturing difficulty and the manufacturing cost are greatly reduced, meanwhile, the measurement precision is effectively improved, and the practicability of the calculation type spectrum measurement device is far better than that of an existing calculation type spectrograph.