21 results about "Optical lens design" patented technology

The invention relates to the field of optical lenses, in particular to an optical lens design and manufacturing method, which comprises the following steps of: determining respective characteristic quantities of a central region and a microstructure region in an optical lens according to an actual eye state of a target object; according to the boundary and the characteristic quantity of the microstructure area, determining an initial microstructure layout of the front and rear surfaces of the microstructure area so as to determine an out-of-focus change characteristic of the optical lens, thereby correcting the initial microstructure layout into a final microstructure layout; according to the final microstructure layout, constructing respective three-dimensional curved surface models of the front surface and the rear surface of the microstructure area; and according to the three-dimensional curved surface model, the front surface and the rear surface of the microstructure area are machined. The front surface and the rear surface of the optical lens are matched and designed with proper microstructures, so that the optical lens is ensured to increase higher diopter in the whole microstructure area, and defocus stimulation with enough strength is provided.

A low-latency free-space optical data communication channel with automatic alignment function has an optical channel, collimators, high reflective screens, and cameras. The optical channel can have two optical lenses designed to facilitate the transmission of an optical signal. The collimators can be integrated with optical fibers and precisely positioned at a focal point of the two optical lenses. Reflective screens, films or tapes encircle both transmitting and receiving lenses. Cameras at each transmitting and receiving terminal are positioned to monitor the optical signal's impact on a lens surface or a high-reflective screen on the opposite side. The cameras use at least one lens to get focused image on a camera sensor and records the optical beam spot impacting the opposite side. Corresponding LED(s) aligned with the lens position on the opposite side allow the computation of the disparity between the optical signal and the lens positioned on the opposite side.

The invention relates to the field of optical lens design, particularly discloses a design method of a double-sided progressive multi-focus lens, and solves the technical problems that the front surface form of a traditional progressive multi-focus lens is single, and different requirements of myopia and presbyopia people on basic bending cannot be met at the same time. The method comprises the following steps: firstly, designing curved surfaces with different base bends of a far vision area and a near vision area of a front surface, then performing thickness compensation processing on the curved surfaces of the front surface, and finally, combining a traditional progressive multi-focus curved surface design rule to obtain a rear surface of the lens, so that double-sided progressive multi-focus collaborative design is realized, and the far vision area and the near vision area of the lens are enabled to adapt to different base bend requirements; and the overall visual effect is improved. The lens designed by the invention is better in optical performance and wider in adaptive crowd, and has higher practical value and market prospect.

The application discloses an optical system design method and system based on a knowledge base retrieval enhanced large model, and belongs to the technical field of optical design and artificial intelligence. The method comprises the following steps: constructing an optical system knowledge base containing vectorized and encoded optical lens design data; constructing data pairs based on optical system design requirements and corresponding parameter lists of surfaces of the optical system, and constructing a training data set; training a large language model by using the training data set and adopting a low-rank adaptive technology; combining the trained large language model and the optical system knowledge base through a knowledge base retrieval enhancement module to obtain a knowledge base retrieval enhanced large model; inputting design requirements of an optical system to be designed into the knowledge base retrieval enhanced large model to obtain optical system structure parameters meeting the design requirements of the optical system to be designed, i.e., parameter lists of surfaces of the optical system. The method can effectively improve the optical design efficiency and is suitable for the design of various optical systems.

The present application relates to the technical field of optical lens design, and discloses a lens design method and system for interlayer angle cumulative offset, comprising: constructing polar coordinate layered topology parameters; generating pre-optimization angle coefficients and each layer starting phase sequence through geometric shading conditions deduction and safety factor adjustment; constructing spiral point array coordinate set based on target line density method and polar coordinate rotation transformation; calling radial ray collision detection algorithm for shading evaluation, combining numerical gradient iterative optimization and rational number avoidance strategy to extract optimization angle coefficients of maximum corridor shading rate; generating lens processing coordinate file through smooth transition constraint verification and boundary clipping. The present application can effectively shield the radial visual corridor and improve the night vision quality of myopia prevention lenses.

The utility model discloses an optical lens comprising a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens which are sequentially arranged from an object plane to an image plane along an optical axis. The focal power of the first lens is negative and is phi 1, the focal power of the second lens is negative, the third lens has focal power, the focal power of the fourth lens is positive and is phi 4, the focal power of the fifth lens is positive and is phi 5, and the focal power of the sixth lens is negative and is phi 6. The focal power of the seventh lens is positive and phi 7, the focal power of the eighth lens is negative, and the focal power of the optical lens is phi; wherein-0.556 < = phi 1 / phi < =-0.392, 0.330 < = phi 4 / phi < = 0.541, 0.374 < = phi 5 / phi < = 0.504,-0.664 < = phi 6 / phi < =-0.465, and 0.458 < = phi 7 / phi < = 0.582. According to the technical scheme, the number of the lenses and the focal power matching mode of the lenses are reasonably set, so that the design of the large-aperture, large-target-surface and high-pixel optical lens can be realized.

The invention provides a lens curvature adaptive optimization design method and system for edge field-of-view correction, and relates to the technical field of optical lens design, and the method comprises the steps: obtaining an initial parameter; performing global optimization to obtain a first optimized structure; calculating an effective aberration factor of the first optimization structure in the edge view field; according to a comparison result of the factor and a threshold value, adaptively determining a lens surface area and intensity which need to be finely adjusted, and calculating the field distortion of the area; and performing local curvature optimization on the determined area by taking minimization of the distortion degree of the field of view and suppression of the effective aberration factor within the tolerance as constraints, and generating and outputting a second optimization structure. The system comprises a parameter input module, a global optimization module, an efficiency evaluation module, a decision module, a local optimization module and an output module, wherein the efficiency evaluation module, the decision module and the local optimization module form closed-loop feedback. According to the method, edge aberration correction and distortion control are collaboratively optimized through quantitative evaluation and adaptive decision, and the design efficiency and the system environment robustness are improved.

The invention discloses a design method of a split type optical lens. The design method comprises the following steps: constructing a database containing a standardized performance parameter set of a calibrated standard lens; inputting a target lens optical design index; a standard lens meeting the target lens optical design index is called from the standard component database, a front lens assembly of the standard lens serves as a standard component A, and a rear lens assembly of the standard lens serves as a standard component B; reversely calculating optical correction parameters of the rear lens group and the front lens group based on the called measured aberration data of the standard component A and the standard component B; and generating a combination scheme containing the front lens assembly and the rear lens assembly in the target lens, and outputting matching parameters of mechanical contact surfaces of the front lens assembly and the rear lens assembly. According to the design method, the standard component database is established, the standard components are reused for optical lens design, the design period is remarkably shortened, and the lens imaging quality is improved.

The application discloses a free surface column lens design method for realizing MEMS uniform light emission, and relates to the field of optical lens design. The method comprises the following steps: a mapping relationship between MEMS light emission energy and a target plane area is established; the vertex coordinates of a free surface generatrix are given, and the coordinates of the rest points on the free surface generatrix are determined according to the mapping relationship; all the points are connected to form the free surface generatrix, and a free surface column lens is constructed based on the free surface generatrix; the lens is arranged between the MEMS and the target plane, and then the light energy reaching each position of the target plane after the exit light beam scanned by the MEMS is refracted by the lens is equal. The MEMS cooperates with the lens to provide a surface structure light with high uniformity and high energy utilization rate for subsequent three-dimensional reconstruction.

The invention discloses a spectacle lens with a hexagonal spherical microstructure on the front surface and a low-contrast design on the rear surface, and belongs to the technical field of design and processing of optical lenses. The lens main body is divided into a central optical area, a hexagonal spherical microstructure distribution area and a peripheral optical area in sequence from the center to the outside, and the hexagonal spherical microstructure distribution area is arranged on the surface of the lens main body; the hexagonal spherical microstructure distribution area comprises a plurality of annular belt positive spherical microstructures and annular belt semitransparent light scattering area microstructures which are concentrically arranged, and the annular belt positive spherical microstructures are sequentially arranged on the front surface of the lens body in the radial direction; the annular semitransparent light scattering area microstructures are sequentially arranged on the rear surface of the lens body in the radial direction. The method is suitable for teenagers and children with fast myopia development, myopia defocus and low contrast are alternately introduced into the peripheral retina view field, and the myopia intervention effect is improved.

The application provides a design method of a standard spherical lens and the standard spherical lens, and relates to the field of optical lens design. The design method is designed to solve the problem that the design index of the existing standard spherical lens with a large relative aperture cannot be connected with the interferometer measurement accuracy, so that the actual optical performance of the standard spherical lens is difficult to predict the influence on the interferometer measurement accuracy. The design method of the standard spherical lens comprises the following steps: constructing an optical interference cavity model composed of a reference spherical surface of the standard spherical lens and a measured spherical surface; calculating the cavity error of the light in the optical interference cavity model; based on the accuracy of the standard spherical lens, the small-angle approximation of the angular aberration is carried out to obtain the numerical relationship between the cavity error and the angular aberration. According to the interferometer measurement accuracy, the index parameters of the standard spherical lens are decomposed, the design process of the standard spherical lens is connected with the actual detection process, and the influence of the actual optical performance of the standard spherical lens on the interferometer measurement accuracy can be predicted.

Method for optimizing a set of semi-finished optical lens designs The disclosure relates to a method, for example implemented by computer means, for optimizing a set of semi-finished optical lens designs, the method comprising: - providing an initial set of semi-finished optical lens designs, each semi-finished optical lens design in the initial set of semi-finished optical lenses designs having a designated base curve and an initial geometry determined to allow manufacturing finished ophthalmic lenses for a full range of sphere and cylinder values, each semi-finished optical lens design being configured to allow manufacturing finished ophthalmic lenses for an initial sub-range of sphere and cylinder values included in the full range, - optimizing the initial set of semi-finished optical lens designs by determining an optimized set of semi-finished optical lens design allowing manufacturing finished ophthalmic lenses for the full range of sphere and cylinder values, comprising less semi-finished optical lenses designs than the initial set and in which for at least two initial sub-ranges of sphere and cylinder values, a common semi-finished optical lens design is selected from the initial set of semi-finished optical lenses designs.

The application discloses an optical lens design method, an optical lens, a module, equipment and a storage medium, and belongs to the field of optical technology. The design method comprises the following steps: determining that the lens at the set position of the optical lens is an ideal lens from the object side to the image side along the optical axis direction of the optical lens; acquiring a theoretical discrete phase distribution of a super lens; acquiring a plurality of different incident angle deviation root mean squares of the super lens corresponding to a plurality of different wavelengths respectively according to the theoretical discrete phase distribution of the super lens; if the ratio of the deviation root mean square corresponding to any wavelength to the wavelength is less than or equal to a preset value, it is determined that the nanometer unit of the super lens meets the design requirement; and the ideal lens is replaced by the super lens. The application can increase the area (for example, the length and / or the height) of the target surface of the photosensitive element, can keep or reduce the total length of the optical lens, and can also guarantee the imaging quality.

The invention relates to an optical lens design method and device, equipment and a storage medium. The optical lens design method comprises the steps that an optical parameter file of a target optical lens is acquired, and the optical parameter file comprises optical parameter values of all optical surfaces of the target optical lens; and drawing the target optical lens by using a drawing tool according to the optical parameter values of the optical surfaces. According to the embodiment of the invention, in the process of drawing the optical lens, an optical designer does not need to modify the existing optical lens through experience, and only needs to determine the optical parameter value of each optical surface; due to the fact that the optical parameter values (data of interaction between the light and the optical lens) of all the optical surfaces are directly provided instead of tentative modification of an existing optical lens purely by experience, the modeling accuracy of the optical lens can be greatly improved, the modification and verification time is saved, and the optical design efficiency is improved.

An optical lens, camera module, and terminal device comprise seven refractive lenses arranged sequentially along the optical axis from the object side to the image side: a first lens with negative refractive power, a convex object side, and a concave image side; a second lens with negative refractive power, a convex object side, and a concave image side; a third lens with negative refractive power, a concave object side, and a convex image side; a fourth lens with positive refractive power, a convex object side, and a convex image side; a fifth lens with positive refractive power, and both the object side and image side are convex; a sixth lens with negative refractive power, and both the object side and image side are concave; and a seventh lens with positive refractive power, and both the object side and image side are convex. The optical lens satisfies the following relationships: 200° ≤ FOV ≤ 210°, 11.5 ≤ TTL / F ≤ 12.5. The optical lens provided in this application enables miniaturization of the optical lens design while simultaneously providing a large field of view, thus improving the imaging quality of the optical lens.

The invention relates to the technical field of optical lens design, and discloses a Fermat spiral golden angle offset lens arrangement method and system.The method comprises the steps that lens parameters are obtained, a curved surface polar coordinate system is established, a Fermat spiral model is adopted to generate an initial dot matrix, uniformity is evaluated through Voronoi space subdivision, and a final lens array is obtained. Self-adaptive offset optimization is carried out in a golden angle critical range, a central vision protection area is applied to constrain and restore the uniformity of an inner ring, a pre-distortion compensation mechanism is adopted when curved surface projection mapping is executed, optical parameters of the microstructure are configured according to the radial position, and finally a digital processing file is generated. According to the invention, high-uniformity isotropic arrangement of the microstructures can be realized on the curved surface of the lens, and the technical problems that the existing periodic arrangement generates structured artifacts and the existing non-periodic arrangement lacks adaptive optimization capability are solved.

The invention discloses a wide-spectrum high-resolution optical lens and imaging equipment. The optical lens comprises a front lens group with negative focal power, a diaphragm and a rear lens group with positive focal power which are sequentially arranged along an optical axis from an object side to an image side; wherein the front lens group sequentially comprises a first lens group and a second lens group from an object space to an image space, and the first lens group is a single lens; the second lens group is a balsaming lens; the rear lens group sequentially comprises a third lens group, a fourth lens group and a fifth lens group from the object space to the image space, and the third lens group is a balsaming lens; and the third lens group is formed by gluing an ultralow-dispersion positive lens and a high-refractive-index negative lens, and is used for realizing confocal in a wide spectral range of 0.4-1.1 microns. According to the wide-spectrum high-resolution imaging lens, the five-lens-group optical lens design is adopted, and the apochromatic design of the third lens group in the rear lens group is matched, so that apochromatic is realized in a wide-spectrum range from 0.4 mu m to 1.1 mu m, and wide-spectrum high-resolution imaging is realized.

This specification discloses an adaptive optical shaping lens design method, comprising: systematically collecting design data of optical lenses and their long-term performance in real-world scenarios; verifying and standardizing the collected data to ensure its accuracy and consistency; inputting the processed data into a neural network-based adaptive design model and finely adjusting the model parameters through an iterative optimization algorithm; inputting specific design requirements into the adaptive design model to quickly generate corresponding lens design schemes; performing simulation analysis on the designed lenses and conducting multiple rounds of optimization iterations based on the design requirements; and predicting the long-term performance of the designed lenses after completion, providing a basis for the overall performance changes of the lenses during actual use and facilitating the maintenance of the optical system during actual use. This method effectively solves the problems of long design time, high cost, and difficult long-term maintenance associated with traditional optical lens design methods.

The invention relates to the technical field of optical lens design, and discloses a lens design method and system for interlayer angle accumulation offset, and the method comprises the steps: constructing a polar coordinate layering topological parameter; generating a pre-optimized angle coefficient and an initial phase sequence of each layer through geometric shielding condition derivation and safety coefficient adjustment; constructing a spiral dot matrix coordinate set based on a target linear density method and polar coordinate rotation transformation; a radial ray collision detection algorithm is called to carry out shielding evaluation, and an optimized angle coefficient for maximizing the corridor shielding rate is extracted in combination with numerical gradient iterative optimization and a rational number avoidance strategy; and generating a lens processing coordinate file through smooth transition constraint verification and boundary cutting. A radial visual corridor can be effectively shielded, and the night visual quality of the myopia prevention and control lens is improved.