TEL: +86-755-23779082
Categories
Contact Us
Shenzhen Xinchanglong New Material Technology Co.,Ltd
Add: A Building,No.114 Xiangxi Xinwei, Songyuanxia Community, Guanlan Street, Longhua New District, Shenzhen
Tel: +86-755-23779082
Fax:+86-755-23063739
Mob:+86-18928450189
E-mail: sales@gl-polygel.com
Knowledge
Home > Knowledge > Content
Is the fiber transmission distance not far enough? There are four key factors
Dec 08, 2018

In a communication cable, the optical signal is refracted along the fiber wall for transmission. Optical fiber transmission has many advantages, such as high sensitivity and no interference from noise; small size, light weight, long life, good quality and low price; insulation, high pressure resistance, high temperature, corrosion, suitable for special environment; can be adjusted according to environmental requirements, Signal transmission is easy; high bandwidth, reduced communication, long distance; small crosstalk, high quality; high confidentiality; easy to lay and carry materials.


According to relevant research, the speed of light in quartz glass fiber is 31% slower than that in vacuum, and there is a problem of transmission delay and signal attenuation. The new fiber is a breakthrough in this respect.


In the fiber-optic communication system, the most basic mode is: optical transceiver---optical fiber----optical transceiver, so the main body that affects the transmission distance is the optical transceiver and optical fiber. There are four factors that determine the optical fiber transmission distance, namely optical power, dispersion, loss, and receiver sensitivity. Optical fiber can not only be used to transmit analog signals and digital signals, but also to meet the needs of video transmission.


Optical power


The greater the power coupled into the fiber, the longer the distance traveled.


Dispersion


In terms of dispersion, the larger the dispersion, the more severe the waveform distortion. As the transmission distance becomes longer, the waveform distortion becomes more severe. In digital communication systems, waveform distortion will cause intersymbol interference, which will reduce the light receiving sensitivity and affect the relay distance of the system.


loss


Including fiber optic patch cord loss and splice loss, mainly per kilometer of loss. The smaller the loss per kilometer, the smaller the loss and the farther the transmission distance.


Receiver sensitivity



The higher the sensitivity, the smaller the received optical power and the longer the distance.


  • Contact Us
    Shenzhen Xinchanglong New Material Technology Co.,Ltd
    Add: A Building,No.114 Xiangxi Xinwei, Songyuanxia Community, Guanlan Street, Longhua New District, Shenzhen
    Tel: +86-755-23779082
    Fax:+86-755-23063739
    Mob:+86-18928450189
    E-mail: sales@gl-polygel.com
  • Categories
  • Copyright © Shenzhen Xinchanglong New Material Technology Co.,Ltd. All Rights Reserved.