33results about How to "Realize arrayization" patented technology

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 diatom shell micro particle single layer array method belonging to the technical field of micro nanometer advanced processing. The method achieves the diatom shell micro particle multi-array by the two methods of hexyl hydride swelling and array base transfer. The hexyl hydride swelling array method transfers the densely arranged diatom shell micro particle to a PDMS module, after crossing the liquid state hexyl hydride swelling PDMS, transfers the micro particle to the gas state hexyl hydride inside, achieving a large surface area diatom shell micro particle fast array building, the step is simple, applies speedily, and prices low, and normalizes diatom shell piece single unit, the middle of the shell pieces forms an equidistance array, providing technical support for every type of preparation and application based on the diatom and the diatom soil micro device. The base array transfer method adheres the equidistance array base to the densely arranged diatom shell micro particle, then transfers to the stickness carrying PDMS module, achieving the single layer zone diatom shell micro particle array normalization, the step is simple, speedy, and constructs a base touch face pattern and achieves the single layer densely arranged diatom pattern array normalization.

The invention provides a distributed Michelson optical fibre white light interference sensing device, comprising a broadband light source, a light source isolation device, an enquirer device, an optical fibre circulator, a lead-in / lead-out optical fibre, an optical fibre sensor array and a photoelectric detector. The light rays emitted from the light source enter the enquirer device and are then divided into two beams of which one is used as reference light and the other is used as sensing light; both the reference light and sensing light enter the optical fibre circulator, enter the optical fibre sensor array through the lead-in / lead-out optical fibre along the same transmission path, return the same way after being reflected by the sensor array and enter the photoelectric detector through the optical fibre circulator. By introducing the optical fibre circulator, the invention improves the multiplexing ability of the sensing system, improves the light source utilization efficiency and has good stability as sensing signals and reference signals share the same optical path in the sensor array.

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 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 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 three-dimensional force touch sensing unit based on the combination of a capacitor and pressure-sensitive rubber. The three-dimensional force touch sensing unit is formed by sequentially stacking a surface PDMS protrusion, a third PI electrode substrate, a PDMS supporting layer, a capacitance plate layer, a second PI electrode substrate and a first PI electrode substrate. Four corners inside the PDMS supporting layer are each provided with an assembly composed of a square floating electrode and a piece of square pressure-sensitive rubber; in each assembly, the lower surface of the square floating electrode in the assembly is attached to the upper surface of the square pressure-sensitive rubber. The upper surfaces of the square floating electrodes are attached to the lower surface of the third PI electrode substrate. The distance between the square pressure-sensitive rubber and the capacitance plate layer is half the thickness of the PDMS supporting layer. The high sensitivity of capacitive touch sensing and the large range of pressure-sensitive touch sensing are combined, so that detection of tiny touch force and large touch force is realized. The three-dimensional force touch sensing unit can be applied to the fields, requiring high-sensitivity and large-range measurement, of robot arms, artificial limbs, operation mechanical arms and the like.

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-Perotresonant 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 surfacesof 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 theright 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 discloses a Lamb wave immune sensor capable of realizing arraying of immune reactions, high throughput, large samples, and rapid measurement, which includes an upper magnet and a lower magnet, and a Lamb wave sensor is arranged between the upper magnet and the lower magnet , a pipe gland is glued above the Lamb wave sensor; the Lamb wave sensor includes a silicon thin film structure provided with a plurality of sample pools, a conductive stratum is below the silicon thin film structure, a piezoelectric material layer is placed below the conductive stratum, and the piezoelectric material layer A layer of IDT electrode layer is provided on the top, and the IDT electrode layer includes several interdigital electrodes and several solder joint ports. A pair of electrode ports are respectively arranged on the several interdigital electrodes. Labeled antibodies, immune micromagnetic beads and Capturing antibodies; a sample pool channel is opened on the surface of the tube where the tube gland is bonded to the Lamb wave sensor, and a through hole is opened at both ends of the sample pool channel.

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 present invention relates to the technical field of micro-optical elements, in particular to a method and device for adjusting the focal length of a micro-lens array, which includes a micro-lens array, the micro-lens array is provided with micro-lenses, and is characterized in that: a micro-mirror array is also provided, and a micro-lens array is provided. The mirror array is provided with micromirrors, and each micromirror of the micromirror array moves back and forth along the optical axis, so as to change the position of the focused light spot and realize the adjustment and change of the focal length of the corresponding microlens. The device for applying the method includes a microlens array and a micromirror array, both of which have the same cell pitch. The incident parallel light will first pass through the microlens array, then be reflected by the microlens array, pass through the microlens array in the opposite direction, and finally converge into a spot array, and its cell pitch is also equal to the cell pitch of the microlens array. The invention solves the problem that the microlens array cannot be adjusted, and has simple method and convenient operation.