48 results about "Zemax" patented technology

The invention discloses a ZEMAX simulation method for a laser tracking system based on a dual-wavelength method for compensating an air refractive index, and is used for analyzing the influence of non-ideality of each optical element in an optical system on system energy; based on an optical system principle of the laser tracking measurement system that compensates the air refractive index based on the dual-wavelength method, according to structures between various optical elements, parameters of multiple structures are set, then the parameters are sequentially adjusted, and a model of the laser tracking measurement system based on the double-wavelength method for compensating the air refractive index is established. Parameters of various optical elements are set, the interference signal stripe contrast is analyzed, the optimal parameter setting of the optical system is achieved, and the purpose of improving the measurement precision of the laser tracking measurement system is achieved, thus the ZEMAX simulation method provided by the invention has guiding significance for the design of the laser tracking measurement optical system and the selection of the optical elements.

The invention discloses a method for calibrating the focal plane of an invisible light transmission optical system through a supplementary lens. The method specifically comprises the steps that 1, the position of the focal plane or the total optical length of a lens to be calibrated or the optical system to be calibrated at the invisible light wavelength band is calculated through ZEMAX software; 2, a ZEMAX multiple structure module is used for designing the supplementary lens, and the total optical length of the optical system or the supplementary back focal length total optical thickness is equal to the back focal length of the lens to be calibrated or the system to be calibrated; 3, the supplementary lens is machined, and optical parameters are measured; 4, an auto-collimation light path is established; 5, the focal plane is calibrated through the auto-collimation light path. The invention provides the method for directly determining the invisible light focal plane. The method is applicable to the design of a focal plane adjusting light path with a broad spectral range. The method has the advantages that the structure is simple, adaptability is high, cost is low, the adjustment method is reasonable and reliable, and operability is high.

The invention discloses a method for analyzing a position error of a primary mirror blocking mirror of a large-aperture film-based diffractive optical system. A non-sequence mode in ZEMAX is utilizedand Boolean operation is combined; a primary mirror model in a blocking form of a large-aperture film-based diffractive optical system is established; the shapes and the number of primary mirror blocking mirrors of a specific optical system are accurately represented; and a position error of an independen blocking mirror can be adjusted. And then a relationship between a position error limit of the blocking primary mirror of the large-aperture film-based diffractive optical system and a joint position error limit is established, and random errors are introduced to carry out accurate quantification to obtain various position error limits meeting the system requirements. With the system, the influence of the position error of each blocking mirror of the primary mirror of the large-aperture film-based diffractive imaging optical system on the image quality of the system can be described accurately and quantitatively.

The invention discloses a method for calculating the energy of a polarized light imaging system under complex weather, belonging to the field of optical detection theory research, including determining polarized light imaging conditions and environmental conditions, target and detector parameters under complex weather; calculating solar radiation energy in the detector The irradiance to the target in the response band; use the 6S atmospheric radiation transfer model to determine the polarized reflectance of the target; obtain the brightness of the target’s indirect radiation; use Modtran4.0 software to determine the average transmittance of the detector in the response band; use zemax software to determine The transmittance of the optical system; obtain the central illuminance of the detector image plane, the light energy at the entrance pupil of the optical system, the number of electrons generated by the target on the detector, the total noise of the system and the signal-to-noise ratio; use Matlab / VC++ programming software, according to the above The software is compiled during the process, and the analysis and optimization iterations are carried out; finally, a polarized light imaging system that meets the energy requirements and signal-to-noise ratio requirements is formed.

The invention relates to a method for transmission light field quantitative analysis and test of a light-transmitting concrete material. The method includes: utilizing optical design software ZEMAX to establish a light-transmitting concrete model and an experiment light path, analyzing quantitatively distribution features of transmission light fields under a situation of different diffraction distances and different optical distribution, and combining with corresponding tests to finally obtain distribution situation of actual light fields. By the aid of the method, strength distribution of the transmission light fields can be obtained, and the light path can be further traced for measuring strength distribution of the transmission light fields by changing optical array structure parameters and diameter parameters of a fiber array model. A light transmitting concrete model is established through the optical design software and an experiment test is performed, and accordingly the concrete material is saved, analysis efficiency is improved, reliable data is provided for final transmission light field analysis, and a novel method is provided for the transmission light field analysis of the transmitting concrete material.

The invention discloses a dynamic modeling method for detecting an aspheric surface through an axial scanning optical interference method, and the method comprises the steps: building an interferometer model through zemax software; simulating a process of driving a to-be-detected aspheric mirror to axially move in the interferometer model through matlab software; carrying out the tracking, fittingand reverse tracking of light, thereby eliminating impact on the light tracking effect from lens distortion; finally building an objective image relation between the to-be-detected aspheric mirror and a CCD image element, thereby obtaining a series of interferograms which continuously change with the scanning, and improving the simulation scientificity.