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1. What is the bandwidth of optical fiber related to? The bandwidth of the fiber refers to the modulation frequency when the amplitude of the optical power is 50% or 3dB lower than the amplitude of the zero frequency in the transfer function of the fiber. The bandwidth of an optical fiber is approximately inversely proportional to its length, and the product of the bandwidth length is a constant.

The concept of single-mode and multi-mode is the concept of multi-mode fiber and single-mode fiber propagation mode. The term "mode" is used to describe how an optical signal propagates within the glass core of an optical fiber. In single-mode fiber, light travels along one path; in multimode fiber, light travels in multiple paths.

Q1: What is optical fiber? Is there a difference between optical fiber and fiber optic cable? Answer: Optical fiber is a fine and flexible medium that transmits light beams. It is the abbreviation of optical fiber. The most commonly used product of optical fiber used in integrated wiring is the glass core for light transmission. The core is usually a double-layer concentric cylinder made of quartz glass with a small cross-sectional area, which is brittle and easy to break, so an external protective layer is required. Optical fiber is used in idioms far beyond its own meaning. It can represent either the fiber core, the fiber optic cable, the fiber optic cabling system or even the fiber optic communication system. However, in order to accurately define the products of each part of the optical fiber cabling system, the general optical fiber refers to the core part, and the optical fiber cable is the finished cable composed of the optical fiber as the transmission unit.

What is "counting the east and counting the west"? The National Development and Reform Commission and other departments have jointly issued a document recently, agreeing to start the construction of national computing power hub nodes in Beijing-Tianjin-Hebei, Yangtze River Delta, Guangdong-Hong Kong-Macao Greater Bay Area, Chengdu-Chongqing, Inner Mongolia, Guizhou, Gansu, and Ningxia, and planned 10 countries. data center cluster. So far, the overall layout design of the national integrated big data center system has been completed, and the "East and West" project has been officially launched.

1. What are the dispersions of optical fibers? What is it about? Answer: The dispersion of an optical fiber refers to the expansion of the group delay in a fiber, including modal dispersion, material dispersion and structural dispersion. Depends on the characteristics of both the light source and the fiber.

According to the ever-changing network development trend, there are higher and higher quality requirements for the network cabling in the host room. The huge data processing function requirements of the main engine room also have an updated processing method in the network wiring of the computer room

According to the transmission mode of light in the optical fiber, it can be divided into: single-mode optical fiber and multi-mode optical fiber. There is only one word difference between single-mode and multi-mode, is it just a simple difference in the number of modes? Are there any differences? Below, let's take a look with the Fiber Hope .

The central beam tube (GYXTW) fiber optic cable is the most commonly used.

There are two types of cable core structure: single core type and multi-core type. The single core type has two types: full type and tube bundle type; the multi-core type has two types: ribbon type and unit type. The outer sheath has two types: metal armored and non-armored.

Fiber hope will tell you some difference between MTP and MPO......

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