Learn more about precision component technology in optical accessories

In the broad field of optical technology, precision components play an indispensable role as the cornerstone of high precision and high performance.

### Learn more about precision component technology in optical accessories

In the broad field of optical technology, precision components play an indispensable role as the cornerstone of high precision and high performance. From the tiny lens of the microscope to the complex lens group of the telescope, to the precision connector in optical fiber communication, every place embodies the ultimate pursuit of precision component technology in optical accessories. The purpose of this paper is to explore this field in depth and reveal the technical mysteries and process challenges behind it.

#### The importance of 1. precision parts in optical accessories The performance of optical accessories directly depends on the quality and design of their internal precision parts. These components include, but are not limited to, lenses, prisms, mirrors, filters, gratings, and various types of brackets, adjustment mechanisms, and the like. They not only need to have extremely high optical purity and surface accuracy, but also meet stringent standards in material selection, dimensional control, shape retention and assembly accuracy. Any slight deviation may cause image quality degradation, optical path deviation or signal attenuation, affecting the performance of the entire optical system.

#### Breakthroughs in 2. Materials Science The manufacture of precision components depends first and foremost on advances in materials science. Optical glass, crystal, ceramic and polymer materials are widely used in optical accessories because of their unique optical properties. For example, optical glass with low expansion coefficient can reduce the influence of temperature change on the focal length of the lens; calcium fluoride crystal has become the preferred material for ultraviolet and infrared optical systems because of its high light transmission and low dispersion characteristics; and some polymers are widely used in consumer optical products because of their lightweight and easy processing. In addition, with the development of nanotechnology, new nanocomposites are gradually showing better optical and mechanical properties.

#### 3. high-precision machining technology The manufacture of precision parts cannot be separated from the support of high-precision machining technology. Traditional processing methods such as grinding and polishing have a long history, but they are still the key means to achieve ultra-smooth surfaces and precise shapes. Modern processing technology is more diversified, such as ultra-precision lathe processing, laser processing, ion beam etching, electron beam exposure, etc., these technologies can be in the micron and nano-scale precise operation, to achieve a complex structure of a molding or high-precision correction. In particular, the application of computer-aided design and manufacturing (CAD/CAM) technology has greatly improved the processing efficiency and accuracy, making it possible to customize and complicate optical accessories.

#### 4. Surface Treatment Technology Surface treatment technology is essential to improve the optical performance and durability of precision parts. Common surface treatment methods include coating (such as anti-reflection film, reflective film), chemical etching, ion implantation, etc. Coating technology improves its light transmission, reflectivity or wear resistance by depositing one or more films on the surface of the component; chemical etching uses chemical reactions to form a fine structure on the surface of the material to achieve a specific optical effect; ion implantation Technology can locally change its optical or electrical properties without changing the overall performance of the material.

#### 5. Assembly and Calibration Technology The final performance of a precision component also depends on its assembly and calibration process.