37results about How to "Achieve polarization" patented technology

The invention discloses a polarized light emitting diode. Its light-emitting diode chip includes a working area composed of an n-type region, a p-type region and a quantum well structure, a substrate, an insulating dielectric film, a transparent electrode and a metal electrode; it is characterized in that: a relief is prepared on the light-emitting surface of the light-emitting diode chip Type or embedded grating, the period of the grating is 50-600nm, the duty ratio is 0.2-0.9, and the thickness is 50-400nm. Compared with the traditional LED external polarizing plate to achieve polarization, the present invention adopts the technical scheme of directly integrating the grating structure on the surface of the LED chip, without the need for an external polarizing plate and other structures, and realizes the purpose of polarized light from the LED chip , therefore, the overall volume of the light-emitting device is greatly reduced, the performance is optimized, and the cost is reduced. At the same time, it can be integrated on the light-emitting chip at one time through the semiconductor photolithography process, which is easy to realize industrialization and popularization and application.

The invention relates to a biaxial optical gyroscope, which consists of a surface plasma excimer Y-type mode separator, a Y waveguide integrated optical device, a Y waveguide integrated optical chip, a first polarization-preserving fiber coil, a second polarization-preserving fiber coil, a directional coupler and a detector. The invention belongs to the technical field of integrated optics and inertial sensor, and provides the biaxial optical gyroscope. The biaxial optical gyroscope with a separation mode is realized by adopting waveguide devices made of different materials, and has the advantages of improvement on the utilization rate of light sources, high integrity and the like.

The invention provides a plasma flexible antenna system comprising a radio frequency surface wave plasma excitation system, an antenna body, a feed system and a control component. The radio frequency surface wave plasma excitation system excites the antenna body by adopting an inductive coupling excitation mode. An excitation power supply outputs adjustable excitation signals to generate and maintain surface wave plasma. The shape of the antenna body can be adjusted so as to change the feature parameters of the antenna and realize rapid reconstruction. The feed system feeds communication signals in the flexible antenna by adopting a capacitive coupling signal feed mode. A control system can adjust the shape of the flexible antenna. The strength of the antenna system can be enhanced and flexibility of the antenna body can be increased so that the problem that the conventional plasma antenna is fragile can be solved and damage of the antenna can be prevented. Besides, the features of antenna impedance, directivity, polarization, bandwidth and gain can be realized by changing the shape of the antenna and the gas discharge state so as to extend the reconstructable range of the plasma antenna.

The invention relates to a method for enhancing photocatalysis performance of a ferroelectric material through regulation and control of spontaneous polarization, an insulation film is prepared by employing soluble high-molecular material-loaded ferroelectric material powder, spontaneous polarization intensity of the ferroelectric material can be adjusted by an applied electric field, photo-induced electron and cavity are effectively separated under effect of intrinsic polarization field, life of a photon-generated carrier is prolonged, so that a purpose of enhancing photocatalysis performance of the material can be achieved. Compared with the prior art, the method provides the simple and effective approach for enhancing the photocatalysis performance of the ferroelectric material (especially the ferroelectric powder material).

The invention discloses a method for synchronous polarization of partitioned piezoelectric elements, which belongs to the technical field of polarization of materials with piezoelectric characteristics. In the present invention, several elastic stretchable probes are used to touch the partitioned polarized electrodes on the piezoelectric element, and each polarized partition can obtain polarization voltages of different sizes and directions by controlling the relative voltage difference. synchronized polarization. The invention improves the polarization efficiency and avoids the problems of thermal depolarization of the piezoelectric element and inconsistency of the divisional polarization intensity caused by repeated polarization. The invention realizes the polarization of the tiny area of ​​hundreds of microns, the contact between the elastic stretchable probe and the tiny electrode is more sufficient, the polarization process is more stable, the electrode surface damage caused by uneven force is avoided, and the traditional polarization method is solved Difficulty in operation and positioning when polarizing tiny multi-section piezoelectric elements. At the same time, the PC host computer is used to control the high-voltage generator and the temperature control unit, which simplifies the polarization process and improves the polarization quality.

The invention relates to an optical gyro based on a flexible surface plasmon polariton waveguide. The optical gyro comprises a light source (1), a Y branched modulator (2), an input optic fiber (31), an output optic fiber (32), a flexible surface plasmon polariton waveguide cylindrical surface (4) and an optical detector (5), wherein the flexible surface plasmon polariton waveguide cylindrical surface (4) comprises a flexible surface plasmon polariton waveguide (41) and a flexible substrate (42); a light signal is output from the light source (1) to the Y branched modulator (2), subjected to modulation, and input from the input optic fiber (31) to the flexible surface plasmon polariton waveguide cylindrical surface (4); light is interfered in the flexible surface plasmon polariton waveguide (41) and transmitted from the output optic fiber (32) to the optical detector (5); and the rotational angular velocity is detected by the optical detector (5). The integration degree and the shock resistance of the optical gyro system are improved; and the structure of the optical gyro is simplified.

The invention relates to an electrolyte membrane, its production equipment and preparation process. The invention utilizes the negative temperature state of the electrolyte, and under the action of applied voltage and heat, it melts into a liquid electrolyte and at the same time makes the polarity of the electrolyte change from disorder to In order to achieve the polarity of the electrolyte, in order to prevent heat loss and voltage removal, after the electrolyte changes from liquid to solid, the electrolyte becomes disordered and non-polar again. In the process of gradually decreasing the temperature, the applied voltage Under continuous action, the electrolyte is gradually cooled down to the normal operating temperature of the battery. During this process, the electrolyte is transformed from a liquid state to a polar solid state, and the polarity of the electrolyte is still maintained.

The invention provides a liposome modified by lactoferrin, which comprises the following raw materials: lactoferrin, egg yolk lecithin, cholesterol, distearoylphosphatidylethanolamine-polyethylene glycol 2000, distearate Acylphosphatidylethanolamine-N-hydroxysuccinimide-polyethylene glycol 2000 and patchouli alcohol; of which, egg yolk lecithin, cholesterol, distearoylphosphatidylethanolamine-polyethylene glycol 2000, distearyl The ratio of acylphosphatidylethanolamine-N-hydroxysuccinimide-polyethylene glycol 2000 is (29~32):(5~7):(5~7):(0.5~1.5)(w / w) ; Wherein, the patchouli alcohol is encapsulated in liposomes; Wherein, the amino group contained in the lactoferrin is passed with distearoylphosphatidylethanolamine-N-hydroxysuccinimide-polyethylene glycol 2000 N-hydroxysuccinimide in the reaction, thus attached to the liposome surface.

The present invention relates to a germanium-containing styrene derivative monomer and a preparation method thereof, a functionalized polyolefin containing germanium-styrene derivatives and the use thereof. The functionalized polyolefin containing germanium styrene derivatives is the polymerization product of ethylene, α-olefin and germanium-containing styrene derivative monomers, C-Ge bonds are introduced into the side chains of the polymer, and the obtained polyolefin is further used as the largest polymer. Molecular initiators initiate free radical polymerization of functionalized monomers to prepare functionalized side-chain grafted polyolefins. It can effectively control the molecular weight and distribution of olefin copolymers, and at the same time, different functionalized polymer side chains can be introduced into the polyolefin side chains, such as polymethyl methacrylate side chains, polyglycidyl methacrylate side chains, styrene / Maleic anhydride copolymer side chains, etc. The number of functionalized side chains can be regulated by changing the content of 4-diphenylgermanystyrene.