1137 results about "Light responsive" patented technology

The invention discloses an intelligent defect detection system and a self-repairing method for a flexible base material RFID tag, and belongs to the technical field of Internet of Things electronic device manufacturing. According to the system, a three-dimensional dynamic scanning system is constructed by integrating a high-resolution image acquisition module, a multispectral sensor array and a mechanical arm motion platform, and surface and internal structure characteristics of a flexible substrate are captured in real time. A defect identification algorithm based on deep learning is combined with a multi-scale convolutional neural network and a transfer learning technology, precise classification of 12 types of defects such as microcracks, conductive layer fractures and base material deformation is realized, and the detection precision reaches 99.2%. A dual-mode self-repairing mechanism is put forward, specifically, nano-silver conductive colloid is injected through a microfluid channel for the defects of the conductive layer, and 3D structure reconstruction is achieved through a controllable temperature field; for substrate damage, a photoresponse shape memory polymer patch is adopted, and molecular-level bonding repair is achieved after ultraviolet light activation. According to the scheme, the detection efficiency is improved by more than 5 times, and the radio frequency performance of the tag is recovered to 98.7% of the initial value after self-repairing.

The invention discloses a p-type or n-type COF film, the film thickness is 50 nm to 5 m, the aperture is 0.7 nm to 4 nm, and the film has a regular pore channel structure and light response performance. According to the invention, proper monomers are selected, and liquid-solid interface polymerization reaction is carried out, so that COF membranes grow along the tube wall, and p-type and n-type COF membranes are respectively prepared. The growth direction of the film is inconsistent with the transmission direction of the monomer and the catalyst, and the process can effectively promote the dissolution growth and self-repair of the COF film, so that the crystallinity and stacking orientation of the film are improved, and the structural characteristics of the COF film are optimized. The obtained COF film has a remarkable advantage of light-driven ion pump performance. The obtained COF membrane is used for preparing a desalting device.

The invention relates to the technical field of intelligent illumination, and discloses an intelligent illumination explosion-proof single lamp controller optimization scheduling method and system, and the method comprises the steps: firstly obtaining the deployment position of a controller, determining a target illumination region, collecting ambient light data to construct an illumination distribution diagram, and recognizing a distribution control link; monitoring real-time energy consumption of a link, analyzing load characteristics and calculating an optimal dimming coefficient; acquiring a signal response frequency band based on the dimming coefficient, fitting to generate a dimming response curve, identifying a defect response section and calculating a harmonic distortion rate; illumination compensation is carried out according to the harmonic distortion rate, scheduling grouping is carried out after a compensation threshold value is determined, high-load nodes are identified, and power is corrected; and finally, acquiring the temperature change gradient of the lamp according to the load correction parameter, generating a regulation and control instruction, and formulating an optimal scheduling strategy. According to the invention, the scheduling optimization of the explosion-proof single lamp can be improved.

The invention provides a backlight dynamic refreshing method and system based on content change frequency, and is applied to the field of image data processing. According to the method, the inter-frame variable quantity of the current image content of the display screen is pre-collected, whether the image refreshing speed is matched with the backlight response or not is judged, the pixel change rate in unit time is calculated based on the frame difference method, the content change frequency index is reasonably divided, the backlight PWM parameters are dynamically adjusted in combination with user setting, and the display quality is improved. The response coordination of the display screen under the dynamic image is effectively improved, when the frame rate fluctuation is recognized, the gray scale compensation frame is introduced and the brightness change slope is limited, and the problems of smear, splash screen and the like caused by asynchronous refreshing can be relieved.

The invention discloses an ultra-large octave wave absorber based on a photoconductive material, and belongs to the field of electromagnetic metasurfaces and metamaterials. Comprising a light response wave-absorbing metasurface and a light driving module capable of projecting different patterns on the surface of the light response wave-absorbing metasurface, array wave-absorbing units of different sizes are obtained on the light response wave-absorbing metasurface by switching the projected patterns, and impedance of a target frequency band is matched by changing equivalent capacitance / inductance of a wave-absorbing unit structure; the light driving module can project a preset light pattern on the light response wave-absorbing metasurface, so that the equivalent impedance distribution of the light response wave-absorbing metasurface is changed; according to the light response wave-absorbing metasurface, the conductivity distribution of the metasurface units is changed through light control, and the wave-absorbing frequency band is adjusted in real time, that is, dynamic adjustment of the wave-absorbing performance is achieved through non-contact light control. According to the invention, the limitation of narrow bandwidth and passive fixation of a traditional wave absorber is broken through, and electromagnetic wave control with ultra-large octave, high absorptivity and real-time reconfigurability is realized.

The invention provides a Mini LED backlight module system for improving the color gamut range of display equipment, which is characterized in that firstly, high-precision electronic control and an intelligent feedback mechanism are integrated, a distributed driving framework is adopted, and refined light source adjustment is realized; secondly, the light source ratio is adjusted in real time by dynamically analyzing the image content, and the color expression range is widened; then, continuously monitoring the driving current through a closed-loop feedback system, and adopting a self-adaptive correction driving strategy to effectively inhibit the interference of environment and device aging on color stability; finally, through temperature management, power consumption and heat dissipation requirements are dynamically balanced, and stable operation of the system is ensured; in addition, a low-delay processing architecture is adopted, and video signals and backlight response are seamlessly connected. Through deep collaboration of software and hardware, the problems of poor uniformity, thermal color cast and response delay caused by color gamut limitation and aging in the prior art are systematically solved, and the display performance is remarkably improved.

The invention discloses a household nano self-cleaning material containing rare earth elements and a preparation method of the household nano self-cleaning material, and aims at solving the problems that a traditional self-cleaning material is narrow in light response range, single in function, poor in durability, non-environment-friendly in preparation process and the like. The material comprises 5-15 parts of rare earth oxide, 50-70 parts of nano titanium dioxide, 10-20 parts of mesoporous silica, 3-8 parts of a fluorinated modifier and 2-5 parts of a bio-based adhesive. Wherein the rare earth elements are doped in titanium dioxide crystal lattices, so that the forbidden band width is reduced, the photocatalytic response range is widened to visible light, and the photocatalytic efficiency is remarkably improved. The preparation method of the material comprises the steps of precursor preparation, hydrothermal reaction, fluorination modification and coating forming, a low-temperature hydrothermal method, supercritical CO2 modification and a photocuring technology are adopted, and the material has the functions of self-cleaning, antibiosis and VOCs degradation, is suitable for various base materials such as household building materials, textiles and electric appliance surfaces, meets the composite requirements of modern home for health and environmental protection, and has wide application prospects. And the preparation process is green and pollution-free, and conforms to the sustainable development concept.

The invention relates to the technical field of chip etching, in particular to a high-precision etching method and device for the surface of a photoelectric chip. The method comprises the following steps: determining a laser response relation value according to line characteristics of an etching contour corresponding to angular points in an etching path of a laser beam in the surface etching process of the photoelectric chip, angle changes between different angular points and a response relation between energy scattering rates; determining a scanning oscillation risk value at the angular point position according to the attenuation condition of the etching scanning speed of the laser beam; dynamic errors are introduced based on the scanning oscillation risk values, and the heat loss probability of the laser beam characteristics is determined; determining adjustment coefficients for etching to different angular points by combining the laser response relation value and the heat loss probability; and adjusting the etching scanning speed of the laser equipment in real time by adjusting the coefficient. By dynamically adjusting the etching scanning speed of the laser beam, the balance between the heat effect and the processing quality is accurately controlled, and the consistency of the processing efficiency and the path shape is considered.

The invention provides a wafer production method and system based on image segmentation, and relates to the technical field of wafer production, and the method comprises the steps: constructing a multi-region time-space thermal response matrix through image segmentation, and automatically determining an optimal temperature disturbance quantity in combination with a thermal diffusion equation, thereby achieving the precise marking of a thermal diffusion abnormal region; then multi-wavelength measuring light is applied to the marked area, the light intensity is dynamically corrected, and the recognition sensitivity of different depth and morphology defects is enhanced; micro-vibration and light response data are introduced, a pre-training defect prediction model is utilized to extract multi-modal features, and a preliminary defect index is generated; and finally, multiplication correction is performed by adopting the polarization degree of the polarization structured light and the phase delay, so that a real defect signal can be amplified, noise interference can be suppressed, the detection accuracy, discrimination and robustness are remarkably improved, and the production quality of wafers is improved.

The invention provides a preparation method of a photoresponse thin film material, the photoresponse thin film material and an ultraviolet light monitoring device and system.The method comprises the steps that 4, 4 '-dihydroxy hexyloxy azobenzene is added into a polymer formed by polymerizing a dihydroxy oligomer and a diisocyanate-based monomer, polyurethane containing azobenzene groups is obtained, and the polyurethane containing the azobenzene groups is added into the polymer to obtain the photoresponse thin film material. The preparation method comprises the following steps: dissolving polyurethane and a piezoelectric polymer in a high-boiling-point solvent to obtain an electrospinning solution, and carrying out electrostatic spinning by adopting the electrospinning solution to obtain the photoresponse film material. According to the invention, 4, 4 '-dihydroxy hexyloxy azobenzene containing six-carbon spacer is used as a chain extender and is added into a polymer of a dihydroxy oligomer and a diisocyanate-based monomer to obtain azobenzene group-containing ultraviolet light response polyurethane, and then the polyurethane and a piezoelectric polymer are combined, so that the ultraviolet light response performance of the piezoelectric polymer is improved. The photoresponse thin film material with better flexibility, better mechanical property and good ultraviolet response is prepared, the preparation process of the photoresponse thin film material is simple, and the preparation cost is low.

This invention discloses a visible-light-responsive dynamically covalently cross-linked self-healing polyurethane and its preparation method, belonging to the field of self-healing materials technology. The material is prepared by reacting diisocyanate, long-chain diol, butanediol, trimethylolpropane, and a monool containing an azophenylboronic acid structure in a certain proportion at 60°C. This invention achieves visible-light-responsive self-healing of the polyurethane material by introducing a visible-light-responsive azophenylboronic acid structure into the polyurethane and utilizing the photoresponsive cis-trans isomerization of the azo structure to regulate the reversible breakage and recombination of the boron-oxygen hexacyclic ring. The visible-light-responsive dynamically covalently cross-linked self-healing polyurethane material prepared by this invention maintains high mechanical strength (16.47 MPa) while exhibiting a strength self-healing efficiency of 95.8% after 8 hours of visible light irradiation, showing broad application prospects in smart materials, anti-corrosion coatings, and other fields.

The invention relates to the technical field of transmission membranes, in particular to a transmission membrane based on dithienylethene and a preparation method of the transmission membrane. The transmission film comprises a base film and light-operated molecules, the base film is coated with the light-operated molecules, and the light-operated molecules have light response groups. A detection result shows that after ultraviolet irradiation, the transmission film can quickly realize complete conversion from an open loop to a closed loop; after visible light irradiation is recovered, the transmission film can efficiently and reversibly recover to an open-loop state. In addition, the transport membrane has a high on-off ratio to five ions of sodium, potassium, lithium, magnesium and calcium. The transmission membrane based on dithienylethene, which is prepared by taking terminal amino-modified dithienylethene as a basic unit, not only has abundant nano-channels, but also is endowed with the characteristic of regulating and controlling the opening and closing of the nano-pore by a photoresponse functional group, and the closing and opening of an ion channel can be accurately regulated and controlled through the alternate irradiation of ultraviolet light and visible light, so that the transmission membrane has a good application prospect. And the controllability of light-operated ion transmission is finally realized.

The invention discloses modified asphalt and a preparation process thereof, and belongs to the technical field of road materials. The modified asphalt is prepared from 80-90 parts of matrix asphalt, 4-8 parts of butadiene styrene rubber, 2-5 parts of nano montmorillonite, 1.5-3 parts of core-shell structure nanoparticles (the core is SiO2 grafted with-SO3H, the middle layer is thermo-sensitive PNIPAM containing a photoinitiator, and the shell is GO grafted with a hindered phenol antioxidant group and a photosensitive coumarin group), 1-3 parts of a compatilizer, 3-6 parts of a plasticizer and 0.3-0.8 part of an antioxidant. The preparation process comprises the following steps: pretreating the modifier master batch, performing melt blending, performing high-speed shearing, performing ultrasonic dispersion, cooling, discharging and the like. The light response crosslinking mechanism is utilized, crosslinking is achieved under illumination through the light response characteristic of the core-shell structure nanoparticles, the high-temperature stability, the anti-aging performance and the fatigue life of the modified asphalt are remarkably improved, and the modified asphalt is suitable for the fields of high-grade road construction and the like.

The invention relates to the technical field of photovoltaics, and provides a photoelectric conversion layer, a preparation method thereof, a photovoltaic device and application. The photoelectric conversion layer comprises at least one Janus MXY two-dimensional material layer, M comprises Mo or W, X comprises S, Se or Te, Y comprises S, Se or Te, and elements of X and Y are different. According to the invention, the vertical polarization characteristic of the Janus MXY two-dimensional material layer is utilized, and an extremely strong spontaneous light current phenomenon is shown, so that the photovoltaic device has ultrahigh light responsiveness and ultrafast light response speed.

The invention discloses a composite film based on light-biological synergistic gradient degradation and a preparation method thereof, the composite film sequentially comprises a light response layer, a transition layer and a biological response layer from outside to inside, and the light response layer comprises a polycaprolactone matrix, a tetraphenylporphyrin iron photosensitizer and anatase type TiO2 nanorods; the transition layer is a gradient blend of polylactic acid and modified starch; the biological response layer comprises polyhydroxyalkanoate and bacterial cellulose nanofibers; through the design of the three-layer gradient structure and the construction of the bionic microchannel, the synergistic effect of light degradation, hydrolysis and biodegradation is realized; the composite membrane has excellent mechanical properties and environmental adaptability, the degradation period can be accurately regulated and controlled within 30-180 days, and the soil degradation rate within 60 days reaches 91% or above; the preparation method comprises the processes of electrostatic spinning, gradient co-extrusion and bacterial cellulose in-situ culture. The material can be widely applied to the fields of agricultural mulching films, food packaging and the like, and the problems that a traditional degradable film is poor in mechanical property and uncontrollable in degradation are solved.

The invention discloses a color cast correction method and device for white picture brightness compensation and a storage medium. The color cast correction method and device are used for performing dual correction on a display screen after Demura compensation is performed on the basis of a white picture. The method comprises the following steps: collecting regional images of a target screen under different exposure times, and calculating to obtain a brightness data mean value of a plurality of regional images; establishing a mapping relation according to the brightness data mean value and the actual brightness data of the regional image; calculating Euclidean distances from the centers of the plurality of regional images to the center of the target screen; constructing a brightness-exposure response function according to the mapping relation and the Euclidean distance to obtain a brightness-exposure characteristic matrix; correcting the brightness data mean value for the first time by using the brightness-exposure characteristic matrix to obtain first corrected brightness data; constructing a chromaticity-brightness correction function of each pixel point in the target screen; and correcting the first corrected brightness data for the second time by using the chroma-brightness correction function to obtain second corrected brightness data.

The invention discloses a visual detection test method for damage cracks of a solidified soil test piece, and particularly relates to the technical field of geotechnical engineering material detection. The method comprises the following steps: doping fluorescence labeling particles in a solidified soil test piece, and applying periodic load to induce crack formation after curing and forming; synchronously exciting fluorescent particles through an ultraviolet excitation light source, and collecting a short-wave fluorescence response image sequence; inputting the image sequence into a deep residual neural network model, identifying a nonlinear enhancement region of a fluorescence signal, and deducing a crack initiation position and a propagation path; constructing a three-dimensional dynamic model of crack evolution in combination with an image space reconstruction algorithm and time sequence comparison, extracting indexes such as a crack propagation rate, a bending angle and crack density, performing comparative analysis on the indexes and initial parameters of a material, evaluating a microstructure damage development mechanism, and outputting a visual damage evolution result; the method provided by the invention can realize high-precision, non-destructive and dynamic detection of the fine cracks in the solidified soil, and has the advantages of high identification sensitivity, strong modeling precision and good engineering adaptability.

The invention discloses an instrument capable of being separated through light control and a preparation method and application of the instrument, and belongs to the technical field of biomedical engineering and flexible electronics. The instrument capable of being separated through light control comprises a flexible substrate layer, an electrode layer and a gel integration layer, the preparation method comprises the following steps: (1) forming an electrode pattern on a silicon wafer through photoetching, and carrying out oxygen plasma treatment to prepare a hydrophilic surface; (2) spin-coating a water-soluble polymer solution to form a sacrificial layer; (3) spin-coating silicone rubber pre-polymerized liquid and curing to form a flexible substrate layer; (4) dissolving the sacrificial layer with water to realize demolding, and embedding a patterned conductive material into the surface to form an electrode layer; and (5) coating the photo-responsive adhesive hydrogel pre-polymerization liquid, and performing cross-linking curing to form a gel integration layer, thereby obtaining the photo-responsive adhesive hydrogel. Through integrated structural design and functional material integration, the brain-computer interface ECoG electrode with high flexibility, high adhesion, high conductivity and controllable debonding capacity and the like is provided, and a technical basis and an application platform are provided for a next-generation intelligent implantable brain-computer system.

The invention discloses a near-infrared light response ultrathin nanosheet sulfur-doped BiOCl photocatalyst as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic materials. The preparation method comprises the following technical steps: (1) preparing a BiOCl nanosheet; and (2) preparing the sulfur-doped BiOCl nanosheet. By adopting a secondary hydrothermal method and controlling the dosage of thioacetamide and BiOCl nanosheets, the prepared catalyst is an ultrathin nanosheet with uniform morphology, the average size is 70-120nm, the catalyst has light response in a near-infrared light region of 780-1200nm, the light absorption capacity of the catalyst is better, and near-infrared light response can be achieved. The catalyst is applied to catalytic degradation of ENR, the ENR degradation rate under visible light is 66.87%, and the degradation effect is good; under near-infrared light, the ENR degradation rate is 9.25%, and the degradation performance from zero to existence is achieved. The preparation method disclosed by the invention is simple, mild in condition, easy to control, low in raw material consumption, free of complex operations such as centrifugation, low in preparation cost and easy to popularize and apply.

The invention discloses a Si-based composite microstructure photoelectric detector and a forming method thereof, and relates to the technical field of photoelectric detection. The Si-based composite microstructure photoelectric detector comprises a signal acquisition first terminal, a light enhancement absorption microstructure and a light transmissible signal acquisition second terminal. The enhanced light absorption microstructure is composed of a short-wave-band visible light enhanced absorption circular light sensitive area, a middle-wave-band visible light enhanced absorption inner ring light sensitive area and a long-wave-band visible light enhanced absorption outer ring light sensitive area. According to the invention, the composite light sensitive unit with an eagle-eye bionic structure is designed, and low reflection and high absorption of light of different wavebands are realized by regulating and controlling the geometric shapes and arrangement modes of the rod-shaped, prismatic table-shaped and conical subunits in the microstructure, so that the light response characteristic of the photoelectric detector is improved.

The invention discloses a rare earth metal polymer with multiple stimulation responsiveness and a preparation method thereof, two monomers SP and VTPY are mixed with methyl methacrylate (MMA) according to a certain proportion, a polymer skeleton Poly (VTPY-co-SP-co-MMA) is prepared through a free radical polymerization reaction, the polymer and Tb (Com) 3.2 H2O are further subjected to a coordination reaction according to a specific proportion, and the rare earth metal polymer with multiple stimulation responsiveness is obtained. The Poly-Tb (Coum) 3 with the stimuli-responsive discoloration characteristic is prepared by the aid of the method. The rare earth metal polymer with methyl methacrylate as a framework and rare earth terbium ions and spiropyran monomers as double emission centers is synthesized, has multiple stimulation response characteristics, provides a brand new strategy and possibility for development of rare earth-based multifunctional intelligent materials, and has wide application prospects. An innovative solution is provided for development of a thermal enhanced rare earth luminescent material, the thermosensitive fluorescence response performance of the material is greatly improved, and a new thought is provided for design of an intelligent temperature response type rare earth luminescent material.

The invention relates to the technical field of electronic devices, in particular to a single-molecule photoelectric memristor based on photoresponse rotating shaft molecules and a preparation method of the single-molecule photoelectric memristor. The single-molecule electric memristor comprises a light response rotating shaft molecule and a graphene point electrode pair, and the light response rotating shaft molecule is connected between the graphene point electrode pair. When ultraviolet light irradiates the photoresponse rotating shaft molecule, a high conductivity state occurs when the corresponding rotating shaft molecule rotates, and when visible light irradiates the photoresponse rotating shaft molecule, a low conductivity state occurs when the corresponding rotating shaft molecule rotates. Based on this, the monomolecular photoelectric memristor has high and low conductivity bistable states, and can realize rapid and reversible change of the conductivity state, thereby improving response speed, operation efficiency, and stability, flexibility and adaptability of performance. The single-molecule photoelectric memristor provided by the invention is expected to be widely applied to the fields of neuromorphic calculation, artificial intelligence, brain-like calculation and the like. The preparation method provided by the invention is simple and convenient to operate, mild in reaction condition and beneficial to industrial production.

The invention provides a photo-thermal response T-type liquid crystal molecule, a preparation method thereof and application of the photo-thermal response T-type liquid crystal molecule to an intelligent window. The structural formula of the T-type liquid crystal molecule is shown in the formula (1). According to the technical scheme, the liquid crystal molecule is in a T type, an azobenzene structure in the liquid crystal molecule is subjected to reversible conversion of cis and trans under switching of ultraviolet light and visible light, and meanwhile, a molecular structure of 8CB and a butylene adipate structure can be subjected to phase change at room temperature, so that the molecule has a light response function, and meanwhile, the light response effect of the molecule is improved. The material also has a thermal response function at room temperature; besides passive control through light and heat, after electrification, liquid crystal molecules are arranged in order, an electric response function is achieved, and the intelligent window can be actively recovered to be transparent. The molecule not only has multiple responses, but also is a low-carbon environment-friendly material. According to the technical scheme, the alkoxy chain is linked to the side chain of the liquid crystal molecule, asymmetry is increased, the liquid crystal molecule has a richer phase structure, and the liquid crystal molecule has a huge development prospect in the field of intelligent windows.

The invention discloses a detector section light response distribution detection method and system, and relates to the field of detector measurement, and the method comprises the steps: employing a dissociation technology to prepare a dissociation surface of a detector; and detecting the photo-generated current distribution characteristics of the dissociation surface of the detector by adopting a photo-induced current technology so as to determine the photo-response distribution of the section of the detector. According to the invention, no extra electric leakage channel is introduced after the detector is dissociated, and the detector can work normally while the functional structure of the detector is completely exposed, so that the photo-generated current distribution characteristics of the cross section of the detector can be extracted in the working state of the detector.

The invention discloses a multi-modal sensory artificial synaptic device based on a framework material and a preparation method and application thereof. The artificial synaptic device comprises a substrate and a channel, wherein the channel is arranged on the surface of the substrate; the channel is an amorphous organic metal framework film which responds to light and gas stimulation; the metal electrode is arranged on the surface of the channel; the metal electrode comprises a source electrode and a drain electrode. Compared with the prior art, the framework material with excellent photoelectric response performance is adopted, and a novel artificial synapse device with multi-mode sensing ability is constructed by fully utilizing the regular pore structure, large specific surface area and good photoresponse characteristic of the MOF material. The two electrodes of the device are connected into electrical test equipment, the conductivity of the amorphous MOF thin film can be changed under the stimulation of optical pulse signals, and finally simulation based on photoresponse synaptic plasticity is achieved. The device is placed in different gas environments, and the conductivity of the MOF film can be changed by capturing and releasing target gas molecules through the porous characteristic of the amorphous MOF material, so that simulation based on gas response synaptic plasticity is realized.

The present disclosure relates to the field of optical communication, and relates to an optical transmission system, a switching method, an optical amplifier board, a medium, and an electronic device, which are able to avoid switching failure of OMSP protection. The switching method is a switching method for redundancy protection of an optical transmission system. The optical transmission system comprises a main optical channel and a standby optical channel. The switching method comprises: acquiring a received optical power of an amplifier in an optical channel among the main optical channel and the standby optical channel through which an optical signal is currently being transmitted; comparing the received optical power with a threshold value, the threshold value being associated with a reference value and a relative threshold, and the relative threshold being associated with an optical fiber characteristic of a span in which the amplifier is located; if the received optical power is lower than the threshold value, turning off light output of the amplifier; and in response to turning off the light output of the amplifier, switching the transmission of the optical signal to the optical channel among the main optical channel and the standby optical channel through which the optical signal is not currently being transmitted.

The invention relates to a near-infrared light response in-situ gelling and synergistic photo-thermal-photodynamic gel delivery system and a preparation method and application thereof, a mesoporous silicon coated up-conversion nano-carrier and an efficient photosensitizer are compounded to form a photo-response core unit, and then the photo-response core unit is intelligently integrated with photo-curing hydrogel to form the near-infrared light response in-situ gelling and synergistic photo-thermal-photodynamic gel delivery system. The general problem of aggregation and quenching of photosensitive molecules is relieved by utilizing the unique space confinement effect of the mesoporous structure, the ICG photo-thermal efficiency and photodynamic performance are enhanced, under precise excitation of a near-infrared light source, the system can activate a photo-crosslinking reaction through an up-conversion luminescence process, in-situ conversion from a liquid eye drop preparation to a stable gel state is achieved, and the stability of the eye drop preparation is improved. A lasting drug reservoir is formed on the surface of the cornea; synchronously excited photodynamic and photo-thermal dual-mode treatment generates a remarkable synergistic antibacterial effect, and shows an excellent removal capability on pathogens including highly drug-resistant bacteria; meanwhile, an ideal microenvironment is created for tissue repair through high biocompatibility and a stable mechanical matrix, and integrity recovery of cornea structures and functions is promoted.

The invention provides a global land-sea ecosystem productivity estimation method based on SIF and light response, and the method comprises the steps: 1, carrying out the data fusion of satellite remote sensing image data and meteorological data, and carrying out the consistency verification; 2, on each pixel point, inputting the input remote sensing data into a mechanical light response (MLR) theoretical formula to carry out total primary productivity GPP estimation, and calculating carbon dioxide partial pressure in a chloroplast matrix, a carbon dioxide compensation point of chloroplast, an open proportion of a photosynthetic system reaction center, an energy ratio of plant heat dissipation to plant fluorescence emission, and an escape rate; step 3, acquiring the distribution of C3 plants and C4 plants by using the vegetation type distribution data; and respectively calculating the total primary productivity of the C3 plant and the C4 plant. According to the scheme, the required number of vegetation parameters is simplified in the inversion process, the parameter acquisition difficulty is greatly reduced while the inversion precision is ensured, and meanwhile, the result uncertainty caused by the parameters is greatly reduced.

The embodiment of the invention provides an ROF photodiode, a manufacturing method thereof and an optical receiver, and belongs to the technical field of photoelectric detection. The ROF photodiode comprises: a wafer substrate; the intrinsic absorption layer is arranged on the upper surface of the wafer substrate; the light-transmitting flat layer is arranged outside the intrinsic absorption layer in a covering manner, and one surface of the light-transmitting flat layer, which is used for receiving the Gaussian light emitted into the ROF photodiode by the optical fiber, is provided with a flat surface; the micro lens is arranged on the flat surface of the light-transmitting flat layer, and the center of the micro lens is aligned with the center of Gaussian light emitted by the optical fiber; gaussian light emitted by the optical fiber is converged after passing through the micro lens, and after the converged Gaussian light passes through the light-transmitting flat layer, the power density peak value is dispersed and weakened, and the converged Gaussian light is converted into flat-topped light to be emitted into the intrinsic absorption layer. According to the ROF photodiode, Gaussian light emitted by the optical fiber is dispersed, weakened and converted into flat-topped light, the electric field suppression effect caused by light power peak value concentration is avoided, the good bandwidth characteristic is guaranteed, and the light response performance is improved.