• What is GPON
    What is GPON
    GPON (Gigabit-Capable PON) technology is the latest generation broadband passive optical integrated access standard based on ITU-TG.984.x standard. It has many advantages such as high bandwidth, high efficiency, large coverage, rich user interface, etc. Most operators regard it as an ideal technology for achieving broadband and integrated transformation of access network servic...
    2018-11-08
  • Fiber laser application
    Fiber laser application
    A fiber laser refers to a laser using a rare earth-doped glass fiber as a gain medium. The fiber laser can be developed on the basis of a fiber amplifier: under the action of pump light, a high power density is easily formed in the fiber, resulting in a laser of the laser working substance. The energy level "particle number inversion" can form a laser oscillation output when a ...
    2018-11-06
  • Main classification of sensors
    Main classification of sensors
    The sensor is a detecting device that can sense the measured information and can transform the sensed information into an electrical signal or other required form of information output to meet the information transmission, processing, storage and display. Requirements for recording, control and control.
    2018-11-04
  • fiber-optic laser
    fiber-optic laser
    The fiber laser uses a rare earth doped fiber as the gain medium, and the pump light forms a high power density in the core, resulting in a "particle number reversal" of the doped ion level. When a positive feedback loop (constituting a resonant cavity) is properly added, A laser output is produced.
    2018-10-31
  • Classification of optical fiber temperature sensor
    Classification of optical fiber temperature sensor
    The fiber optic temperature sensor is a sensing device that analyzes the spectrum of the fiber transmission to understand the real-time temperature by using the principle that the spectrum absorbed by some substances changes with temperature.
    2018-10-29
  • Strain characteristics of pressure sensors
    Strain characteristics of pressure sensors
    The pressure sensor has a measuring range that is twice as large as an inductive sensor. Not only can metal targets be detected, but also dielectrics such as paper, glass, wood and plastic, and even wall or paper. There are also trembling measurements and burglar alarms for humans, since the human body is equivalent to an electrical conductor at low frequencies.
    2018-10-25
  • What is EPON
    What is EPON
    With the rapid development of the Internet, the demand for network bandwidth by network users is increasing. In order to meet the needs of the market, the backbone of the communication network has undergone tremendous changes, and the traditional access network, which has been changing little, has become a bottleneck in the entire network, and various new broadband access techn...
    2018-10-23
  • Knowledge of fiber Bragg grating sensing systems
    Knowledge of fiber Bragg grating sensing systems
    The structure of the fiber Bragg grating sensing system is analyzed. The functions of three different light source LEDs, LDs and erbium-doped light sources used in the fiber Bragg grating sensing system are analyzed. The operating principle of the FBG sensor and various temperature and stress are described. The difference measurement method describes several commonly used signa...
    2018-10-20
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