Golden News cable, drop cable [quality] Jiangbei Jiangbei drop cable

 Optical fiber - principle and characteristics of the type of light: a light is a visible part of the electromagnetic wavelength range: 390 ~ 760nm (nanometers). Greater part of the infrared light 760nm, less than 390nm UV part. Fiber applications is: 850nm, 1310nm, 1550nm three. 2 light refraction, reflection, and total internal reflection. Fiber because the speed of light in a different material is different northern drop cable, the light directed from one substance to another substance Jiangbei prices drop cable, at the interface between the two materials will produce reflection and refraction . Moreover, the refractive angle of the light will vary with the angle of incident light changes. When the angle reaches or exceeds a certain incident angle of refraction of light disappears, all the incident light is reflected back, which is the reflection of light. Angle of refraction of the different materials of the same wavelength of light is different (i.e., different materials have different refractive index), the same material as the angle of refraction of light of different wavelengths is different. Fiber-optic communications is based on the above principle and formation. 3 types of fiber: Many types of fiber, according to different uses, the required functionality and performance vary. But for the communication cable and optical fiber drop cable is substantially the same quality of its northern and manufacturing design principles, such as: ① small loss; ② have a certain bandwidth and small dispersion; ③ Easy connection; ④ easy to system; ⑤ reliability high; ⑥ manufacturing is relatively simple; ⑦ inexpensive and so on. Fiber classification mainly from the operating wavelength, the refractive index distribution, transmission mode, as the raw material and manufacturing method of induction, hereby following are examples of the various categories. (1) Operating wavelength: UV optical fiber, optical fiber impressive, near-infrared fiber optic, infrared fiber (0.85μm, 1.3μm, 1.55μm). (2) refractive index profile: a step (SI) optical fiber, almost step-fiber gradient (GI) optical fiber, the other (such as triangular type, W type, depressed, etc.). (3) Transmission mode: single-mode fiber (polarization maintaining fiber-containing, non-polarization maintaining fiber), a multi-mode fiber. (4) Raw materials: quartz fiber, multi-component glass fiber, plastic fiber, the fiber composite material (such as plastic cladding, liquid core, etc.), infrared material. The coating material can be divided by the inorganic material (C), a metal material (copper, nickel, etc.) and plastic. (5) Manufacturing method: a plastic pre-vapor phase axial deposition (VAD), chemical vapor deposition (CVD), etc., tube drawing method has the law (Rod intube) and double crucible method. Golden News cable, drop cable [quality] Jiangbei Jiangbei drop cable provided by Golden News cable. Find "drop cable, fiber optic butterfly" reliable supplier network operators choose to have the whole alliance certification: Tai'an City Communications Cable Co. (www.sdpxgl.com), trustworthiness and reliability, now click on the page. " Business League call "instant chat with us now!