33results about How to "Realize arrayization" patented technology

The invention provides a distributed fiber white-light interference sensor array based on tunable Fabry-Perot resonant cavity, which is composed of a duplex photoelectric device, a tunable Fabry-Perot resonant cavity, a single-mode connection fiber and a sensor, wherein the tunable Fabry-Perot resonant cavity is composed of a scanning prism, a self-focusing lens, and a single-mode optical fiber with partial reflection surface; the duplex photoelectric device is composed of a wide-spectrum light source with a common base, an emitter and a collector, a photodetector, and a beam splitter prism; the beam with a certain spectral width is emitted by the light source to the resonant cavity directly through the beam splitter prism and is reflected multiple times by the left and the right surfaces of the resonant cavity to obtain a signal light; and the signal light outputted from the right cavity surface enters the sensor through the single-mode connection fiber, reflected by the left and the right end faces of the sensor, returns along the original path to the resonant, and is outputted from the left cavity surface to the photodetector. The distributed fiber white-light interference sensor array has a common light path structure and has the advantages of good temperature stability, simplest optical fiber path structure, low cost and high practicality.

The invention provides an optical path autocorrelator for distributed optical fiber strain sensing measurement, which is formed by sequentially connecting a broad spectrum light source (1), an annular multibeam generator (2), an optical path autocorrelation detecting unit (3), a transmission optical fiber (4) and an optical fiber sensor array (5) end to end; the annular multibeam generator (2) comprises a 2*2 optical fiber coupler (21), a first three-port optical circulator (22), an optical fiber collimator (23) and a movable optical reflector (24); and the optical path autocorrelation detecting unit (3) comprises a second three-port optical circulator (31), an optical detector (32) and an interference signal detecting and processing unit (33). The invention can realize real-time monitoring and measurement of physical quantities, such as multi-point strain or deformation, and the like,solve the problems of overlarge light source power loss and superlow light source utilization ratio when a plurality of sensors are multiplexed in an optical fiber and the problem of measurement precision reduction caused by the existence of light source feedback light and improve the stability of a system.

The invention provides a quasi-distribution optical fiber white-light strain sensing and demodulation device based on a nonequilibrium Michelson interferometer. The device consists of a photoelectric device, a nonequilibrium Michelson interferometer, a single mode connection optical fiber and a serial optical fiber sensor array, wherein the photoelectric device consists of a broadband light source, a three-port circulator and a photoelectric detector; the nonequilibrium Michelson interferometer consists of a plated optical fiber reflection end, a scanning reflection mirror, a focusing lens and a 3dB optical fiber 2x2 coupler; and the serial optical fiber sensor array is formed by connecting optical fiber sensors in series. The device has the advantages of simple structure, convenience of use, low production cost, distributed measurement expansion, wide dynamic measurement range, high measurement precision, high anti-interference performance and the like, can sense and detect physical values such as distributed deformation, strain, temperature, pressure and the like, and can be used for monitoring intelligent structures in large sizes, and sensing a plurality of tasks, a plurality of elements, local strain and large-scale deformation.

The invention provides an ultrasonic transducer and a manufacturing method thereof. The ultrasonic transducer comprises a substrate (106), a lower electrode (105), a support block (103), a diaphragm layer (102), and an upper electrode (101) arranged sequentially in a stacked manner, wherein a groove is arranged on a surface of the substrate near the diaphragm layer, and the lower electrode is filled in the groove, the support block (103) separates the space between the diaphragm layer (102) and the substrate (106) into a closed cavity (104), and the cavity (104) corresponds to the position ofthe lower electrode (105). Therefore, arraying of the low electrode is realized, the lead mode is simpler, and the transmission and reception of ultrasonic transducer array elements are conveniently controlled independently.

The invention provides a low coherence multiplex optical fiber interferometer based on a non-balanced Mach-Zehnder optical autocorrelator. The optical fiber interferometer is formed by successively connecting a wide-spectrum light source (1), the non-balanced Mach-Zehnder optical autocorrelator (2), an optical distance autocorrelation detection unit (3), a transmission optical fiber (4) and an optical fiber sensor array (5) from end to end, wherein the non-balanced Mach-Zehnder optical autocorrelator (2) is composed of a first optical fiber coupler (21), a three-port optical circulator (23), an optical fiber collimator (24), a moveable optical reflector (25) and a second optical fiber coupler (26); and the optical distance autocorrelation detection unit (3) is composed of a three-port optical circulator (31) or (33), a photodetector (32) or (34). The optical fiber interferometer can be applied to the fields such as real-time monitoring and measurement of multipoint strain or temperature and other physical quantities, monitoring of large-sized intelligent structures and the like.

The invention discloses a dual-mode sensing unit and a dual-mode sensor. The dual-mode sensing unit comprises a shielding layer, a piezoelectric conducting layer, a capacitance sensing layer, and a flexible bulging layer; the shielding layer is fixedly connected with the piezoelectric conducting layer, and the shielding layer is grounded; the piezoelectric conducting layer comprises a conductive electrode and a piezoresistance sensitive layer; a raised micro-structure is arranged at the piezoresistance sensitive layer; the capacitance sensing layer comprises a first flexible substrate, an emitting electrode and a receiving electrode; the emitting electrode and the receiving electrode are fixed at a bottom face of the first flexible substrate, the emitting electrode and the receiving electrode are arranged at an upper layer and a lower layer, and the emitting electrode and the raised micro-structure are in conductive connection; the flexible bulge layer is fixedly connected with the first flexible substrate, and a stress collection bulge is arranged on an upper end surface of the flexible bulge layer. The dual-mode sensing unit possesses the proximity sense and touch sensing functions at the same time; the dual-mode sensor is formed by arranging multiple dual-mode sensing unit matrixes, and multiple dual-mode sensing unit matrixes are connected through a flexible substrate; and the dual-mode sensing unit has good flexibility, and the internal circuit is concise.

The invention discloses a multichannel microfluidic fluorescence detection device and method; the device comprises a light source, a microfluidic chip and a photoelectric thin-film transistor; the photoelectric thin-film transistor has multiple detection arrays, each detection array has multiple double-gate thin-film transistors each composed of a top gate, a drain, a bottom gate and a source, and the double-gate thin-film transistors in each detection array are arrayed. The multichannel microfluidic fluorescence detection device and method employ the double-gate thin-film transistors which are integrated to the multichannel microfluidic chip, and the multichannel microfluidic fluorescence acquisition system integrated and miniaturized is formed to collect and detect fluorescence signals, has high light sensitivity and photoconductive gain, is very suitable for fluorescence detection, is low in production difficulty and cost, low in power consumption and high in integrity, and is applicable to large-area manufacture to arrive at arraying.

The invention discloses a Lamb wave immunosensor capable of performing array, high-flux, large-sample and quick measurement on immunoreaction. The Lamb wave immunosensor comprises an upper magnet and a lower magnet, wherein a Lamb wave sensor is arranged between the upper magnet and the lower magnet; a pipeline gland is glued above the Lamb wave sensor; the Lamb wave sensor comprises a silicon thin film structure with a plurality of sample cells; a conductive stratum is arranged below the silicon thin film structure; a piezoelectric material layer is arranged below the conductive stratum; an integrated device technology (IDT) electrode layer is arranged on the piezoelectric material layer, and comprises a plurality of gear shaping electrodes and a plurality of welding spot ports; a pair of electrode ports is arranged on each of the gear shaping electrodes; marking antibodies, immune micro magnetic balls and capturing antibodies are cultivated in the sample cells; a sample cell channel is formed on the pipeline surface of the pipeline gland, which is attached to the Lamb wave sensor; and a through hole is formed in each of two ends of the sample cell channel.

The invention discloses a density gradient array, which comprises a container. Division bars are arranged in a vertical direction in the container, and divide the container into a plurality of small tubular chambers in the vertical direction. The theory of communicating vessels is adopted, and a plurality of density tubes with a completely consistent density gradient can be prepared at one time to form an array, so that the preparation efficiency of the density tubes is greatly improved. The gradients of the density tubes are completely consistent, and the density gradient of the whole density gradient array can be calibrated only by once calibration, so that a calibration process is greatly simplified. The density tubes form the array which is suitable for the rapid measurement of large batches of samples, the density gradients of the density tubes are consistent, and subtle density differences between a plurality of different samples can be easily and intuitively compared, so that the density gradient array is particularly applied to application places with requirements for the precision comparison of densities of the samples, for example, subtle changes caused by changes in a crystallization environment in the densities of the samples in a high-quality crystal development process can be monitored.

The invention relates to an automatic trace sample feeding device of an electrophoresis detector and a manufacturing method and control method of the automatic trace sample feeding device. The automatic trace sample feeding device comprises a microfluid sample feeding module, a microfluid sample discharging module, a first micro electromagnetic driving pump, a second micro electromagnetic driving pump, a first micro partitioning valve, a second micro partitioning valve, a high-voltage power supply, a sample bottle, a buffer liquid bottle, a sample waste liquid bottle, a waste buffer liquid bottle, a control circuit board, a control system, a storage battery and a double-layer bracket. The automatic trace sample feeding device is applicable to automatic trace sample feeding of a portable capillary electrophoresis detector and a microfluid electrophoresis chip, precise, automatic and repeated sample injection is achieved, operation errors are reduced, the operation efficiency is improved, artificial interference is avoided, a uniform sample feeding amount of each time is ensured, meanwhile a rapid capillary tube replacing interface is available, and sample pollution caused by the situation that a capillary tube is not easily cleaned on site is avoided.

The invention discloses a broad spectrum displayer covering visible light to an infrared band. The broadband spectrum displayer covering the visible light to the infrared band consists of an array of display units; the display unit comprises a second electrode (9), a hydrophobic insulating layer (8), a fluid chamber (2), a blocking layer (6), a medium layer (5), a first electrode (4), a substrate (3) and an illumination layer (14) which are successively arranged from the top to the bottom; and the two ends of a periphery driving circuit (13) are respectively connected to the first electrode (4) and the second electrode (9). The broad spectrum displayer covering the visible light to the infrared band uses a localized surface Plasmon resonance effect of Plasmon nanometer particles. When distance between nanometer particles changes, a spectral peak of a spectrum can move so as to change the color of a display unit and realize the dynamic tuning of the spectrum. The broadband spectrum displayer can fast respond, can be used as a micro-displayer to be applied to an anti-fake label and can realize flexible display, and is low in cost and simple in manufacture technology.

The invention provides a method for making a gold nanoarray, which is easy to operate, realizes the array of local surface plasmon structures, and can also fill different units with nanosphere structures of different sizes, which is a simple and effective method. Nano-metal structure processing means, the gold nano-array structure produced by this method has the characteristics of low defect, high specific surface area and structural order. Sensitive biosensing provides an effective means.

The invention discloses a full-flexible pyroelectric infrared detector, and relates to the field of pyroelectric sensor structure design. The full-flexible pyroelectric infrared detector comprises a flexible infrared radiation modulation mechanism and a flexible infrared sensitive unit. The flexible infrared radiation modulation mechanism is a single-end or double-end supporting metal film cantilever beam. A voltage signal with a certain frequency is applied between a cantilever beam and the upper electrode layer of the flexible infrared sensitive unit, and the cantilever beam can move up anddown within a certain range according to the corresponding frequency so that the cantilever beam is periodically separated from and contacted with the upper surface of the flexible infrared sensitiveunit, and infrared radiation modulation is realized. The problem that integration and flexibility are difficult to achieve due to the fact that an existing pyroelectric infrared detector adopts a mechanical chopper is solved, and the pyroelectric infrared detector can be applied to wearable electronic equipment such as a flexible temperature sensor and a flexible thermal infrared imager.