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High-precision molding technology
The manufacturing of special-shaped optical prisms first relies on high-precision molding technology. This technical system covers multiple links such as precision casting, precision machining and optical cold processing. Each link is crucial to ensure that the shape and size accuracy of the prism reaches the micron level or even higher.
Precision casting technology makes it possible for the initial molding of special-shaped optical prisms. Through precise mold design and manufacturing, as well as strict casting process control, prism blanks with complex shapes and precise dimensions can be obtained. However, factors such as material shrinkage and deformation during the casting process still need to be corrected through subsequent precision machining.
Precision machining, such as CNC milling and grinding, is an important step in the fine processing of cast blanks. These processing technologies use high-precision machine tools and tools to gradually remove excess material on the blank through precise cutting and grinding processes, so that the shape and size of the prism are closer to the design requirements. At the same time, these processing technologies can also ensure that the finish and flatness of the prism surface reach a certain level, laying the foundation for subsequent optical cold processing.
Optical cold processing
In the manufacturing process of special-shaped optical prisms, optical cold processing is undoubtedly the most critical link. This processing method uses physical means such as grinding and polishing to gradually remove tiny protrusions and depressions on the surface of the material, so that the surface of the prism can achieve extremely high smoothness and flatness.
Grinding is the first step of optical cold processing, which uses abrasives and grinding tools to rough-process the surface of the prism. Through the grinding process, larger defects and unevenness on the surface of the prism can be removed, making its shape and size closer to the final requirements. At the same time, grinding can also improve the surface finish of the prism and create favorable conditions for the subsequent polishing process.
Polishing is the last step of optical cold processing and the most critical step. It uses finer polishing agents and polishing tools to finely process the surface of the prism. Through the polishing process, tiny defects and unevenness on the surface of the prism can be further removed to achieve extremely high smoothness and flatness. This high-precision surface processing can not only improve the optical performance of the prism, but also reduce the scattering and loss of light, ensuring the stable performance of the prism in the optical system.
Optical properties and applications of shaped optical prisms
Thanks to high-precision molding technology and optical cold processing, shaped optical prisms have excellent optical properties. They can accurately change the propagation direction of light and realize functions such as refraction, reflection or dispersion of light. These characteristics make shaped optical prisms play an important role in many fields such as laser technology, imaging systems, and optical communications.
In laser technology, shaped optical prisms can be used in laser resonator, beam shaping, and optical path adjustment. They can ensure the accurate transmission and focusing of laser beams and improve the output power and stability of lasers.
In imaging systems, shaped optical prisms can be used in camera lens groups, telescope eyepieces, and objective lenses. They can correct aberrations and distortions in the imaging process and improve image quality and clarity.
In the field of optical communications, shaped optical prisms can be used in fiber couplers, optical switches, and optical isolators. They can ensure the accurate transmission and switching of optical signals and improve the reliability and stability of optical communication systems.
