35 results about "Optical polymers" patented technology

The present invention provides a method for manufacturing a non-linear optical laminate comprising a target substrate and an electro-optical polymer layer located on the target substrate, the method comprising, in the following order: a first step for preparing a first laminate in which a support substrate, a light absorption layer, a first electrode, an electro-optical polymer layer, and a second electrode are laminated in this order; a second step for performing polling processing on the electro-optical polymer layer of the first laminate; a third step for obtaining a second laminate by removing the second electrode from the first laminate; a fourth step for obtaining a third laminate by laminating the target substrate on a surface, which was in contact with the second electrode, of the second laminate; a fifth step for obtaining a fourth laminate by removing the support substrate from the third laminate by laser-peeling the support substrate; and a sixth step for obtaining the non-linear optical laminate by removing the light absorption layer and the first electrode from the fourth laminate.

The invention relates to the technical field of optical communication packaging, in particular to an optical interconnection packaging method. A two-dimensional stacking mode is adopted for the optical fiber waveguide and the single-core optical fiber array to be packaged, the end faces of the optical fiber waveguide and the single-core optical fiber array face the same direction, the section of a port uniformly faces the vertical upper portion, and the position of the port can be directly positioned in an image through a common objective lens imaging system. A complicated high-precision side fiber core identification system is avoided; according to the identified positions of the two ports, designing and using a two-photon 3D printing technology to process an optical polymer connection waveguide between the ports; the whole packaging process is relatively simple to operate, and the cost is saved; moreover, the optical interconnection packaging method provided by the invention is wider in application range.

A lens includes an optical polymer represented by:where R1 to R3 are each independently hydrogen, deuterium, halogen, or organic group comprising any one selected from substituted or unsubstituted C1-C60 alkyl group, substituted or unsubstituted C3-C60 cycloalkyl group, substituted or unsubstituted C1-C60 alkoxy group, substituted or unsubstituted C6-C60 aryl group, and substituted or unsubstituted C2-C60 heteroaryl group having at least one hetero atom selected from group consisting of N, O, and S, A1 is a single bond, an oxygen atom, or a sulfur atom, A2 is an oxygen atom or sulfur atom, B1 and B2 are each independently a single bond or an organic group represented by -al-D-al-, and n represents an integer of 5 or more and 500 or less, where al is a C1-C8 alkylene group, and D is —S(═O)2—X—, —X—S(═O)2—, —S(═O)2—X—S(═O)2—, —C(═O)—X—, —X—C(═O)—, —C(═O)—X—C(═O)—, carbonyl, alkenylene, alkynylene, ester, or ether, where X is a C6-C60 arylene group.

[Problem] To provide a photoradically polymerizable composition that is to be used as a transparent resin material suitable for optical applications, that not only has excellent curability but also has a high refractive index at a low viscosity, and that, when being cured, provides a polymer in which the refractive index is adjustable. [Solution] This photoradically polymerizable composition contains (A) a vinyl sulfide compound having a heterocyclic ring represented by general formula (1), (B) a radically polymerizable compound having a (meth)acrylic group, and (C) a photoradical polymerization initiator. The photoradically polymerizable composition is characterized by having a refractive index (nD) of 1.50 or more. (In general formula (1), A represents an oxygen atom or a sulfur atom, and R1 and R2 each independently represent a hydrogen atom, an alkyl group having 1-6 carbon atoms, or the like.)

The invention relates to the technical field of ophthalmology optics, and discloses an implantable APD implant for treating presbyopia, and the method comprises the steps: carrying out the focal power mapping of a far-sight diopter component in a target optical parameter, obtaining the basic refraction surface type data, and carrying out the layout of a near-sight diopter component annular structure, and obtaining the diffraction phase structure data; carrying out integrated aberration balance on the two kinds of data to obtain a composite optical surface type data set; converting the phase variation in the composite optical surface type data set into an initial step height by combining a lens material and an environmental medium optical constant; obtaining diffraction structure morphology parameters based on material dispersion attribute optimization; constructing a digital processing map by taking the geometric position of the surface as a processing node and taking a topology and depth evolution relationship as a processing edge; performing microstructure construction on the surface of the optical polymer substrate according to the digital processing atlas to obtain an APD implant; according to the invention, the APD implantation processing efficiency and the optical adaptability efficiency can be improved.

Foldable intraocular lens (IOL) having a total dioptric power and comprising an optic portion (12) having main anterior and posterior optical surfaces, and incorporating an internal optical feature (13) positioned between the main anterior and posterior optical surfaces are described. The optic portion has a diameter of greater than 6.0 mm and a maximum central cross-sectional area of less than 2 mm2 along the diameter, and the internal optical feature positively contributes to the total dioptric power of the intraocular lens. A method of forming the IOL may include: providing a foldable IOL having an optic portion comprising an optical, polymeric lens material and having an anterior surface and posterior surface and an optical axis intersecting the surfaces; and forming at least one laser-modified layer disposed between the anterior surface and the posterior surface with light pulses from a laser by scanning the light pulses along regions of the optical, polymeric material to cause changes in the refractive index of the polymeric lens material; wherein the laser-modified layer forms the internal optical feature that positively contributes to the total dioptric power of the IOL. A method of inserting the IOL into an eye may include folding the IOL, making an incision of less than 3.0 mm length, and inserting the folded IOL through the incision.

The application is suitable for the technical field of photovoltaic modules, and provides an optical polymer, an application method, a cell, a photovoltaic module and a photovoltaic system.The optical polymer comprises, by weight, 20-50 parts of a photocuring oligomer, 30-60 parts of a photocuring monomer, 20-70 parts of high-refractive nanoparticles, 0.5-10 parts of a nanodispersion agent, 1-10 parts of a photoinitiator system and 0.1-5 parts of an auxiliary agent.The viscosity of the optical polymer is 8-25 mPa·s at a temperature of 40-60 degrees Celsius, and the refractive index of a cured film formed after curing of the optical polymer is 1.60-1.75 at a wavelength of 600 nm.Due to the synergistic effect of the specific sulfur-containing or high-refractive monomer and the surface-modified nanoparticles used in the optical polymer, the refractive index of the cured film formed after curing is 1.60-1.75 under irradiation at a wavelength of 600 nm, thus effectively matching the refractive index difference between the encapsulation adhesive film and the cell antireflection film, reducing the interface reflection loss, optimizing the light transmission, reducing the reflection loss at the interface between the encapsulation adhesive film and the cell antireflection film, and thus improving the efficiency of the photovoltaic module.

The present invention belongs to the technical field of holographic polymer materials, and specifically relates to a photopolymer holographic storage material, a holographic optical disc and a preparation method thereof. The photopolymer holographic storage material is prepared from raw materials in the following mass ratio: MMA: NMP: AIBN: PQ = 100: 5-25: 0.7-1: 1-1.5. The photopolymer holographic storage material is doped with NMP (N-methylpyrrolidone) in PQ / PMMA (phenanthrenequinone / polymethyl methacrylate) to significantly improve the optical properties of the material.

A method for writing a desired phase change pattern in an optical polymeric material includes generating at least one pulsed laser beam output from a pulsed laser source, were the pulsed laser beam output has a laser beam cross sectional area with at least one cross sectional linear dimension of at least 5 mm; exposing the optical polymeric material to the pulsed laser beam output simultaneously over at least a portion of the optical polymeric material having at least one linear dimension of at least 5 mm; and controlling an intensity of the simultaneous exposure of the pulsed laser beam output over the at least a portion of the optical polymeric material to obtain an energy profile within the optical polymeric material above a nonlinear absorption threshold of the optical material and below a breakdown threshold of the optical polymeric material, and to obtain a desired change in refractive index in the at least a portion of the optical polymeric material. The intensity of the simultaneous exposure of the pulsed laser beam output may be differentially modulating over the at least a portion of the optical polymeric material to obtain a modulated energy profile within the optical polymeric material including at least some energy profile portions above a nonlinear absorption threshold of the optical material and all of the energy profile below a breakdown threshold of the optical polymeric material at which significant light scattering or absorption degrades the intended performance of the optical polymeric material, and obtaining a desired modulated change in refractive index in the simultaneously exposed portion of the optical polymeric material.

An optical polymer material includes an alternating copolymer made of a monomer of a styrene derivative and a monomer of a maleimide derivative, and has a nonlinear property in which the photoelastic coefficient of the optical polymer material decreases to a predetermined value with increase in composition ratio of the styrene derivative, and rises above the predetermined value with further increase in composition ratio of the styrene derivative. A composition ratio of the styrene derivative is within a predetermined range. An absolute value of the photoelastic coefficient is equal to or smaller than a first absolute value within the predetermined range of the composition ratio, and an absolute value of the intrinsic birefringence is equal to or smaller than a second absolute value of the optical polymer material within the predetermined range of the composition ratio.

The utility model discloses optical polymer material coating equipment, relates to material coating technical field, including moving pile and conveyer belt, the moving pile is arranged symmetrically, and the conveyer belt is located the opposite side of moving pile, the top end of moving pile all is fixedly connected with support frame, the opposite side of support frame is fixedly connected with protective cover, the protective cover is fixed on the support frame. The top of the inner side of the protective cover is fixedly connected with a ventilation pipe, the bottom of the inner side of the protective cover is movably connected with an air outlet cover, and the ventilation pipe is movably connected with the air outlet cover. By means of the filtering mechanism, when a large amount of dust is accumulated on the surface of the filtering piece, the servo motor is started, the filtering piece is driven to conduct transmission, the dust on the surface of the filtering piece is scraped by the pipe wall of the dust guide pipe and accumulated to the inner side of the dust guide pipe, then a hydraulic rod is started, the accumulated dust is pushed out of a pipe opening of the dust guide pipe through a push plate, and the dust is filtered out. Therefore, the replacement of the filter piece is completed.

An eyewear is disclosed. The eyewear comprising a front portion, a temple portion, and a hinge portion provided between and connecting with the front portion and the temple portion. Further, the front portion and the temple portion comprise an optical polymer material and the hinge portion comprises an elastomer.

The invention relates to the technical field of integrated optoelectronic devices, in particular to a silicon-organic polymer mixed slow light waveguide electro-optical modulator which comprises a silicon input and output waveguide, a grating type slow light silicon waveguide, a multi-mode interference waveguide, an organic electro-optical polymer cladding, a T-shaped metal modulation electrode and a silicon dioxide upper and lower cladding. The optical wave group speed is reduced through the grating type slow optical waveguide design, the photoelectric signal interaction is enhanced, and efficient modulation is achieved by combining the organic polymer with the high electro-optical coefficient. According to the invention, the modulation efficiency and bandwidth can be remarkably improved, the device size and power consumption are reduced, and the scene requirements of high-speed data center interconnection, high-performance calculation and the like are met.

One purpose of the present invention is to provide a resin composition suitable for optical communication technologies. Another purpose is to provide a resin composition that can be used as an insulating resin for rewiring layers in electronics and also as the cladding resin for polymer optical waveguides, and that is suitable for filling the gap between chips, chip boards, etc., to protect the wiring and to enable the fabrication of highly integrated, energy-efficient, multifunctional devices based on various packing structures, including co-packed optics. The present inventors have carried out careful investigations and, as a result, discovered that a composition comprising a photocurable resin and a bismaleimide compound is useful as a resin composition for optical waveguides, thereby completing the invention.

Photonic IC packages, related devices and methods, are disclosed herein. In some embodiments, a photonic package may include a substrate; a photonic integrated circuit (PIC) having a first optical element, the PIC coupled to the substrate; a connector including a fiber alignment structure; and a second optical element, wherein the second optical element is to expand and collimate an optical beam, and wherein a material of the connector includes a 3-dimensional (3D) printing optical polymer, a 3D printing grade glass, a 3D printing optical resin, a fused silica glass, or an optical grade polymer; and a fiber having a first end and an opposing second end, wherein the fiber is positioned in the fiber alignment structure, and wherein the first end of the fiber is optically coupled to the first optical element and the second end of the fiber is optically coupled to the second optical element.

To provide a method for manufacturing an optical modulation element capable of suppressing optical degradation in an optical modulator using an organic electro-optic polymer (EO polymer).SOLUTION: The present invention relates to a method for manufacturing an optical modulation element in which an optical modulator including an optical waveguide containing an organic electro-optic polymer is housed and sealed within a housing, the method including: a first step of accommodating the optical modulator inside the housing and reducing pressure at least inside the housing; and a second step of sealing the housing under the reduced pressure or in an inert gas atmosphere containing at least one gas selected from noble gases and nitrogen.SELECTED DRAWING: None

The present application relates to the technical field of optical materials, and provides an optical polymer and its preparation method, an optical polymer masterbatch, and an optical element. The optical polymer is formed by polymerizing monomers as shown in the following formula 1: #imgabs0# wherein g and h are selected from integers of 1 to 5, and at least one of g and h is 1; R1 is a cyclic hydrocarbon group or an aromatic structure; R2, R3, and R4 are each independently selected from one of H, -CH3, -CH2CH3, Cl, I, and Br; X is an oxygen atom or a sulfur atom; a, b, m, n, and p are each independently selected from 0, 1, or 2, and when X is an oxygen atom, a and b are not simultaneously 0; and o is 0 or 1. The optical polymer provided in the present application has the advantages of high refractive index and high Abbe number while maintaining good heat resistance and low volume shrinkage.

The invention belongs to the technical field of optical polymer materials and chemical engineering, and relates to a microstructure light guide plate with high light uniformity and a preparation method thereof. The light guide plate is composed of polymethyl methacrylate and 2, 4-dihydroxy phenylacetamide which are subjected to synergistic grafting modification through fluorosilane-mercaptoethanol, and a dispersing agent, a surface energy regulator, an antioxidant and a light diffusion auxiliary agent are used as auxiliary materials. The modified polymethyl methacrylate forms a fluorine-containing, hydroxyl-containing and silicon-containing double-phase microstructure layer on the surface through esterification of mercaptoethanol and carboxyl of a main chain and condensation reaction of fluorosilane, so that the light scattering uniformity is improved; 2, 4-dihydroxyphenylacetamide forms a hydrogen bond network in a matrix, and light field distribution is homogenized. The preparation method comprises the following three steps: preparing a modified polymer, mixing to form a film, and imprinting the microstructure. The light guide plate has high transmittance, high brightness uniformity and excellent environmental stability, and is suitable for the field of liquid crystal display and backlight illumination.

The present invention relates to the technical field of optical communication packaging, and more specifically, to an optical interconnect packaging method. The optical fiber waveguide and single-core optical fiber array to be packaged are stacked in a two-dimensional manner, with the end faces of the optical fiber waveguide and the single-core optical fiber array facing the same direction and the port cross sections uniformly facing vertically upward. A common objective lens imaging system can be used to directly locate the port position in the image, avoiding a complex and high-precision side fiber core identification system. Based on the identified two port positions, an optical polymer connecting waveguide between the ports is designed and processed using two-photon 3D printing technology. The entire packaging process is relatively simple to operate, saving costs. Furthermore, the optical interconnect packaging method proposed by the present invention has a wider range of applications.

The invention discloses a low-refractive-index transparent copolymer. The structural general formula of the transparent copolymer is shown as a formula (a). The copolymer material prepared by the invention has the characteristics of high light transmittance, low refractive index, easiness in processing, easiness in recovery and the like, and is a novel optical polymer material.

The present invention provides a methacrylate-styrene copolymer, a preparation method and an application thereof, belonging to the technical field of optical polymer preparation. The methacrylate-styrene copolymer is prepared by combining a hydroxyl and / or carbonyl-containing adamantyl methacrylate, methyl methacrylate and styrene monomers through a free radical copolymerization reaction, and limiting the molar fractions of the three monomers to a specific range, thereby obtaining an optical-grade methacrylate-styrene copolymer with excellent heat resistance. The copolymer simultaneously meets the requirements of high refractive index and high Abbe number and is suitable for use as a material for precision optical components.

The invention provides a fluid forming-based optical lens direct forming method and system. The forming method comprises the following steps of: preparing a container, a fluid forming mold, density matching liquid and optical polymer liquid; then, a fluid forming mold is fixed to the center of the container, the optical polymer liquid is injected into the fluid forming mold, and the fluid forming mold filled with the optical polymer liquid divides an inner cavity of the container into an upper sealing cavity and a lower sealing cavity; and then density matching liquid is injected into the upper sealing cavity and the lower sealing cavity, so that the fluid forming mold is completely immersed in the density matching liquid, and the optical lens is formed after forming and curing in the fluid forming mold. The forming system includes a container and a fluid forming mold. According to the method, the problems that the complexity of the manufacturing process and the required professional equipment hinder the rapid forming of the optical lens are solved, the rapid forming and manufacturing of the optical lens can be realized without grinding, surface polishing and the like, and meanwhile, the mirror surface type of the optical lens can be adjusted in real time.

The optical polymer material comprises an alternating copolymer formed by monomers of a styrene derivative and monomers of a maleimide derivative, and the photoelastic coefficient has a nonlinear characteristic that it decreases to a specified value as the composition ratio of the styrene derivative increases, and increases compared to the specified value if the composition ratio of the styrene derivative further increases. The styrene derivative is within a specified composition ratio range, and within the composition ratio range, the absolute value of the photoelastic coefficient is less than a first absolute value, and the absolute value of the intrinsic birefringence is less than a second absolute value.

To provide an optical polymer film and a method for producing the film.SOLUTION: In an example method of forming a waveguide part having a predetermined shape, a photocurable material is dispensed into a space between a first mold portion and a second mold portion opposite the first mold portion. A relative separation between a surface of the first mold portion with respect to a surface of the second mold portion opposing the surface of the first mold portion is adjusted to fill the space between the first and second mold portions. The photocurable material in the space is irradiated with radiation suitable for photocuring the photocurable material to form a cured waveguide film so that different portions of the cured waveguide film have different rigidity. The cured waveguide film is separated from the first and second mold portions. The waveguide part is singulated from the cured waveguide film.SELECTED DRAWING: Figure 1

A method for recycling polyester containers, in particular PET containers, said method including the following method steps: sorting the containers, comminuting the containers to produce flakes, friction washing the flakes, sorting the flakes, and extruding and granulating the cleaned flakes. The flake-sorting process is used to separate flakes which have a foreign polymer that is different from the polyester, and the flake-sorting process is a combination of a color-sorting process, a screening step, and an optical polymer-sorting process.

The invention discloses a thermosetting high-refractive-index sulfur-containing optical resin material as well as a preparation method and application thereof, and belongs to the technical field of high-refractive-index optical polymer materials. The sulfur-containing optical resin is a thermosetting high-refractive-index sulfur-containing optical resin material which is prepared by taking three components including a polythiol compound, isocyanate and a polyvinyl monomer as raw materials, taking an azo compound as a free radical initiator and taking a tin-containing metal organic compound as a catalyst through the technological processes of mixing, pre-polymerizing, degassing, pouring and curing. The obtained resin material has excellent optical performance, thermal performance and mechanical performance, the refractive index is 1.59-1.70 (nd, 589 nm), the abbe number is 25-45, the light transmittance is larger than or equal to 87%, and the yellowness index is lt; 2, the haze value is less than or equal to 1%; the thermal decomposition temperature (Td5) exceeds 250 DEG C, and the glass transition temperature exceeds 50 DEG C; in addition, the resin material also has good impact resistance.

A high refractive index polymer material includes a naphthalene group and at least one sulfur atom and is characterized by principal index of refraction nx, ny, and nz that are each greater than 1.5, where the sum of the principal indices of refraction nx + ny + nz is greater than 5.1.

The invention provides a light-emitting circularly polarized light extraction material and a preparation method and application thereof, and belongs to the technical field of organic photoelectric materials and information display. The preparation method comprises the following steps: dissolving a chiral monomer with a double-amino structure and a monomer with a double-isothiocyanate group in an organic solvent, and carrying out stepwise polymerization reaction at normal temperature to obtain the light-emitting circularly polarized light extraction material. The prepared luminescent circularly polarized light extraction material is an optical polymer with a main chain containing a chiral source and a high molar polarizability component, and the material has the capability of inducing an achiral luminescent material to generate circularly polarized light and excellent light extraction performance, and also has the characteristics of high transparency and high refractive index. The invention is characterized in that a circularly polarized luminescence induction function and a light extraction function are integrated into a single material system through molecular design, so that the synergistic enhancement of chiral optical performance and high-refraction light extraction performance is realized, and a new material solution is provided for developing a high-efficiency circularly polarized luminescent device.

The invention provides a recovery method of an optical polymer, and belongs to the technical field of polymer recovery and purification. The recovery method comprises the following steps: (1) mixing a to-be-recovered optical polymer with a solvent to obtain a raw material solution; (2) conveying the raw material liquid into a preheating device and a mixing device in sequence through a supercharging device, conveying an anti-solvent into the mixing device, and mixing the raw material liquid and the anti-solvent in the mixing device to obtain a mixture; and (3) conveying the mixture obtained in the step (2) into a separation device for separation to obtain an optical polymer phase and a solvent phase, and carrying out devolatilization treatment on the optical polymer phase to obtain the purified optical polymer so as to complete the recovery of the optical polymer. According to the invention, the recovery method of the optical polymer is designed, and the removal of impurities in the optical polymer to be treated and the recovery of the optical polymer are realized through the cooperation of all the steps.

Coated optical polymeric articles such as display screens are provided. Exemplary coated articles comprise: (A) an optical substrate comprising an organic polymer; (B) a first coating layer applied directly to at least a portion of at least one surface of the substrate; and (C) a second coating layer comprising a sol-gel applied to at least a portion of the first coating layer. The first coating layer comprises: (1) a first polymer comprising a non-halogenated polyolefin, wherein the non-halogenated polyolefin comprises a carboxylic acid group, a hydroxyl group, and / or an anhydride group; and (2) a second polymer comprising a polyurethane, which in turn comprises a carboxylic acid group. Also provided are processes for preparing the coated optical articles.