Filtration & Separation Solutions
Embrace Ultimate Application Challenges of Filtration, Separation, and Purification Technology
Fiber optic production filtration
The production process of optical fiber includes the creation of preform core rods, preform overcladding, and optical fiber drawing.
The manufacturing process of optical fiber preforms is the most important and challenging process in optical fiber manufacturing technology. As the core raw material for optical fiber, the quality of the finished optical fiber preform has a decisive impact on the quality and characteristics of the optical fiber, such as purity, tensile strength, effective refractive index, and attenuation.
Currently, the production process of optical fiber preforms mainly adopts a two-step method: first, the core rod is prepared, and then an outer cladding layer is added to the core rod (commonly known as overcladding technology) to form a complete preform. The core rod manufacturing generally uses four main processes: Modified Chemical Vapor Deposition (MCVD), Vapor Axial Deposition (VAD), Outside Vapor Deposition (OVD), and Plasma Chemical Vapor Deposition (PCVD).
The production process of optical fiber drawing is relatively simple and can be roughly divided into four steps: drawing, screening, testing, and packaging, with drawing being the key process. Drawing refers to the process of transforming the optical fiber preform into optical fiber. During this process, the manufacturer places the optical fiber preform at the top of the drawing tower, where it is heated to high temperatures to melt the preform. It is then drawn into bare optical fiber through the application of external force. Simultaneously, to protect the newly drawn bare optical fiber, it needs to be coated to ensure its mechanical strength.
In every stage of optical fiber production, filtration technology plays a key role in ensuring the purity and quality of the product. Feature-Tec is committed to providing efficient and reliable filtration solutions for optical fiber production, ensuring that all optical fiber products meet the standards.
Feature-Tec Optical Fiber Filtration Solutions
Ultra-Pure Gas Filtration
During the production of optical fiber, gases such as hydrogen, helium, and nitrogen are used. These gases must be dust-free and uncontaminated to avoid impurities affecting the optical performance of the fiber. Feature-Tec ultra-pure gas filters can remove fine particles and contaminants from the gases, with a filtration accuracy of up to 3nm and an interception efficiency reaching 9LVR, ensuring the chemical reactions proceed smoothly and maintaining the purity of the optical fiber.
Chemical Filtration
Various chemicals are used in the production of optical fiber, and the presence of particles and impurities in these chemicals can affect the strength and performance of the fiber. Feature-Tec offers comprehensive filtration solutions for these chemicals, selecting suitable products based on the requirements to ensure liquid purity.
Environmental Control
The air quality in the production environment of optical fiber is equally crucial. Dust and impurities in the air can adhere to the surface of the optical fiber. Feature-Tec can provide cleanroom air filtration systems that effectively remove dust and contaminants from the air, preventing impurities from affecting the quality of the optical fiber.
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