60results about How to "Good optical transmission" patented technology

A pretreatment method for use in manufacturing an improved optical component comprises (i) providing a polymeric optical substrate; and (ii) exposing the polymeric optical substrate to electromagnetic energy having a wavelength of about 30 nm to about 350 nm. The exposure of the polymeric optical substrate to the electromagnetic energy substantially improves adhesion between the substrate and an optical coating deposited onto the substrate following pretreatment. The invention addresses the significant need for coated plastic optics by providing a method to achieve reliable adhesion of optical coatings placed on polymeric optical substrates. Specifically, this invention enables improved adhesion for even highly curved or shaped parts which have been historically more difficult to coat. The pretreatment method is particularly useful for molded substrates such as molded polymethylmethacrylate.

To provide a material capable of obtaining a transparent conductive film having an excellent conductivity, Optical transmission, Environmental reliability, suitability for process, adhesion and hardness in a single application process, and to provide a transparent conductive film using the same and a device element using the same. A coating forming composition containing at least one kind selected from the group of metal nanowires and metal nanotubes as a first component, a polymer compound having a hydroxyl group as a second component, a compound having a group 13 element or a transition metal element as a third component, and further a solvent is prepared to obtain a transparent conductive film by the coating.

This invention provides an optically transparent electrically conductive layer with a desirable combination of low electrical sheet resistance and good optical transparency. The conductive layer comprises a multiplicity of magnetic nanostructures in a plane, aligned into a plurality of roughly parallel continuous conductive pathways, wherein the density of the magnetic nanostructures allows for substantial optical transparency of the conductive layer. The magnetic nanostructures may be nanoparticles, nanowires or compound nanowires. A method of forming the conductive layer on a substrate includes: depositing a multiplicity of magnetic nanostructures on the substrate and applying a magnetic field to form the nanostructures into a plurality of conductive pathways parallel to the surface of the substrate. The conductive layer may be used to provide an enhanced silicon to transparent conductive oxide (TCO) interface in thin film silicon solar cells.

The present invention provides oxide magnetic semiconductor film with adjustable electronic transport properties and manufacture method thereof, which belongs to information technology rotating electron material field. The series oxide magnetic semiconductor film displays common electric transport property: material with low electric resistivity being Mott range transition resistor, material with middle electric resistivity being hard Efros range transition resistor, material with high electric resistivity being hardgap resistor. The super thin iron magneto- metallic layer and the wide forbidden region oxide semiconductor layer are alternating deposited on substrate by using the method of magnetron sputtering or pulsed laser depositing through accurate control partial pressure of oxygen in film preparation process to regulate electric transport property of material. Electric transport property of oxide magnetic semiconductor film is only related to concentration of oxygen vacancy in material.

This invention pertains to a BGG glass material with excellent optical and mechanical properties and to a method for its preparation characterized by the use of a halogen component. The BGG glass material is essentially devoid of water, has excellent optical transmission in the visible and mid-infrared wavelength range, and can be easily molded in small and large sizes and complex shapes at a low cost.

An integrated window design for optical transmission in combustion environments is described. The invention consists of an integrated optical window design that prevents and removes the accumulation of carbon-based particulate matter and gaseous hydrocarbons through a combination of heat and catalysis. These windows will enable established optical technologies to be applied to combustion environments and their exhaust systems.

The invention discloses a sample gas pipeline of an aerosol focusing gas circuit in a real-time single aerosol particle detection and analysis instrument. The pipeline comprises a sample gas pipeline body made of glass material and a connecting installing flange, the installing and positioning are realized through tolerance fitting, a clamping ring is fixedly installed, an O-shaped ring or a sealant is used for sealing, the external circle of the sample gas pipeline is processed through a conventional optical processing method, an internal gas circuit through hole is formed through femtosecond laser processing, and the aperture of the through hole can reach micron dimension. The sample gas pipeline is capable of meeting design, assembling-calibrating and processing technology requirements; the processing and residual stress are small; the coaxiality, verticality, sealing and other design and assembling-calibrating requirements are easy to meet; and a pollution status and a cleaning status of the sample gas pipeline can be conveniently checked.

The present invention discloses a process for preparing graphene through RF-PECVD. The technical scheme comprises that: a radio frequency plasma enhanced chemical vapor deposition (RF-PECVD) method is adopted and a polycrystal cobalt film prepared by adopting a magnetron sputtering film plating system is adopted as a substrate to successfully prepare high-quality graphene having 1-5 carbon atom layers at a low substrate temperature (800 DEG C) under less total gas flow rate (78 sccm) within a short deposition time (40 s). The process of the present invention has the following characteristics that: the graphene can be prepared under the conditions of the relatively low reaction temperature, the short deposition time and the less requirement of the carbon source through the RF-PECVD method so as to substantially reduce the graphene preparation cost and establish the foundation for the promotion of the industrial application of the graphene; and the graphene has excellent physical properties of high specific surface area, high optical transmittance, high electrical conductivity, high flexibility and the like, such that the graphene has wide application values in the fields of electronic devices, optical devices and the like.

The invention discloses a benzyl starch-castor oil-based polyurethane semi-interpenetrating polymer network material and its preparing method and application, blending castor oil-based polyurethane prepolymer, benzyl starch and 1, 4-butanediol in N, N-dimethyl formylamine to react, then solidifying without adding in solidifying agent at 50-80 deg.C for 4-12 hours and obtaining the product. The new material has good mechanical property, excellent photopermeability and biodegradability as well as simple and convenient producing course. It can act as biodegradable material for paints, apparatuses and films, and has application prospect in the fields of medicine, commodity, chemical industry and environmental protection.

The invention relates to a high-cerium-content scandium-doped gadolinium iron garnet magneto-optical crystal as well as a preparation method and application thereof. The magneto-optical crystal with the chemical formula of Gd3-x-yCexCaySczFe5-z-wVWO 12, is grown by adopting an edge-defined film-fed crystal growth method, wherein x is equal to 0.33-0.54, y is equal to 0.02-0.06, z is equal to 0.45-0.96, and w is equal to 0.01. According to the method, the post-processing technology of the crystal can be simplified, the preparation cost of the crystal is reduced, the crystal growth rate is high,the optical uniformity is good, and the centimeter-scale single crystal can be prepared. By doping a proper amount of Sc, stabilization of an RIG garnet structure is facilitated, unit cells are expanded, the doping amount of Ce in the crystal is increased, the magnetism of the crystal is enhanced, and the high-cerium-content scandium-doped gadolinium iron garnet magneto-optical crystal with goodpermeability, strong magnetism and excellent magneto-optical performance is obtained. The crystal material is expected to be practically applied to devices such as magneto-optical isolators, magneto-optical circulators, magneto-optical modulators and the like.

The invention discloses a Tm<3+> single-doped three-photon infrared quantum cutting microcrystalline glass as well as a preparation method and an application thereof. The microcrystalline glass is formed with LaF3 nanocrystal-containing oxofluorogermanate transparent microcrystalline glass as a matrix and Tm<3+> as activating agent ions, and the composition, in a molar ratio, of the microcrystalline glass is 50GeO2-20Al2O3-15LaF3-15LiF-xTmF3, wherein x is greater than or equal to 0.05 and less than or equal to 1.00. During preparation, GeO2, Al2O3, LaF3, LiF and TmF3 are taken as raw materials, and weighing and proportioning the raw materials according to the nominal composition 50GeO2-20Al2O3-15LaF3-15LiF-xTmF3 in the molar ratio, wherein x is greater than or equal or 0.05 and less than or equal to 1.00, and then taking the method of melt quenching in combination with subsequent heat treatment. The microcrystalline glass is capable of effectively absorbing 455-485nm blue light photons to excite the Tm<3+> ions to the energy state 1G4, and also capable of emitting three infrared photos in succession with 3H4 and 3F4 as intermediate energy states. The quantum efficiency of the Tm<3+> single-doped three-photon infrared quantum cutting microcrystalline glass is calculated within the range from 1.59 to 1.61.

The invention relates to aromatic diamine and a preparation method thereof. The structure of the aromatic diamine is as shown in the following formula I, wherein R1 and R2 are independently selected from the group: H atoms, CnH2nCF3 or -C6H5, and n is an integer of 0-10. The aromatic diamine synthesis route is simple, raw materials are relatively cheap and can be easily obtained, and the preparedpolyimide film has good optical transmission and high solubility.

The invention discloses preparation methods of a three-dimensional flexible transparent electrode and a modified inversion solar cell. The preparation method of the three-dimensional flexible transparent electrode comprises the following steps: (1), carrying out plasma treatment on a PET substrate; (2), carrying out magnetron sputtering treatment on the PET substrate after plasma treatment, plating the PET substrate with a lower ZnO film, a AgOx film and an upper ZnO film, and forming a three-dimensional flexible transparent electrode is formed on the PET substrate. The prepared electrode hasa three-dimensional form, so that the transmission distances between electrons and hole pairs in exciton are reduced, the recombination of holes and electrons is reduced effectively, and absorption ofthe sunlight by the light active layer is increased. Moreover, the three-dimensional nanoparticle have good scattering effect on sunlight, so that the transmission path of the sunlight in the activelayer is increased and thus the absorption of the sunlight by the light active layer is enhanced. Therefore, with the electrode having the three-dimensional form, the photoelectric conversion efficiency and stability of the solar cell can be improved.

The invention provides a sealing system with adaptive balance of internal and external pressures. The sealing system is composed of a protective shell for accommodating protected articles and a compression device mutually communicated with the protective shell. When an external pressure changes, a communicating method of the protective shell and the compression device or a structure of the compression device ensures that the internal capacity of the sealing system composed of the protective shell and the compression device under the action of the external pressure changes passively and synchronously, so that the internal pressure and the external pressure are kept consistent all the time. The sealing system is capable of solving the problems of the prior art or existing products and overcoming the defects of the prior art or existing products, completely overturning the recognition on the prior art or existing products, has certain general expansibility, is capable of fully enlarging the use range and user range, brings convenience and happy experience to relevant work and life (leisure/movement experience) and thus has favorable market prospects.

The invention discloses a composite optical fiber based on a fluorescence detection system, and a preparation method thereof, and relates to the technical field of composite optical fiber materials. The composite optical fiber comprises: a fiber core rod, wherein the material component of the fiber core rod comprises semiconductor selenium powder; and a fiber core layer, wherein the material of the fiber core layer comprises tetramethrin modified polymethyl methacrylate. The preparation method specifically comprises the following steps: preparing the fiber core rod by adopting a melting pouring method; preparing a composite optical fiber, namely grinding and polishing a modified polymethyl methacrylate bar according to a size requirement; then processing a cylindrical hole in the rod, selecting the fiber core rod with a proper size, and filling the modified polymethyl methacrylate rod tube with the fiber core rod to obtain a composite preform rod; and then carrying out vacuum consolidation at 170-180 DEG C for 1-1.5 h, placing on a standard drawing tower, and drawing to obtain the composite optical fiber. The prepared composite optical fiber is excellent in mechanical property, good in heat resistance and low in water absorption; and the optical transmittance is good, the loss is low, and the application range is widened.