•  Fiber Optic Gyro
    Fiber Optic Gyro
    Fiber optic gyroscope is the fiber angular velocity sensor, which is the most promising one among various fiber optic sensors. The fiber optic gyroscope, like the ring laser gyroscope, has the advantages of no mechanical moving parts, no warm-up time, insensitive acceleration, wide dynamic range, digital output, and small size. In addition, the fiber optic gyroscope also overco...
    2022-06-20
  •  VCSEL laser diode advantages and classification.
    VCSEL laser diode advantages and classification.
    The full name of VCESL is a vertical cavity surface emitting laser, which is a semiconductor laser structure in which an optical resonant cavity is formed in the direction perpendicular to the semiconductor epitaxial wafer and the laser beam emitted is perpendicular to the surface of the substrate. Compared with LEDs and edge-emitting lasers EEL, VCSELs are superior in terms of...
    2022-06-17
  • What is the relationship between optical module wavelength and transmission distance
    What is the relationship between optical module wavelength and transmission dist...
    The transmission distance of the optical module refers to the distance over which the optical signal can be directly transmitted without relay amplification. It is divided into three types: short-distance, medium-distance, and long-distance. Generally speaking, 2km and below are short distances, 10-20km are medium distances, and 30km, 40km and above are long distances. Optical ...
    2022-06-14
  •  Application of Fiber Laser in Different Industries
    Application of Fiber Laser in Different Industries
    Fiber laser is gradually replacing the traditional laser in laser marking, laser welding, laser cutting and other fields. Application of Fiber Laser Marker in Industry
    2022-06-09
  • DFB Laser diode
    DFB Laser diode
    In the optical fiber communication network, the most commonly used laser is the distributed feedback (DFB) laser, which is a single longitudinal mode or single frequency semiconductor laser. The single frequency laser refers to a laser with only one longitudinal mode (spectral line) spectrum characteristic of the semiconductor laser. It can work in the third generation optical ...
    2022-06-06
  • Exploration of Near Infrared Imaging Window
    Exploration of Near Infrared Imaging Window
    Fluorescence imaging has been widely used in biomedical imaging and clinical intraoperative navigation. When fluorescence propagates in biological media, absorption attenuation and scattering disturbance will cause fluorescence energy loss and signal-to-noise ratio decrease, respectively. Generally speaking, the degree of absorption loss determines whether we can "see", and the...
    2022-05-30
  • What are the core components of the optical module
    What are the core components of the optical module
    As an important part of optical fiber communication system, optical module plays the role of photoelectric conversion. This article will introduce the core devices of the optical module.
    2022-05-24
  • How does the fiber amplifier work?
    How does the fiber amplifier work?
    When the transmission interval is too long (more than 100 km), the optical signal will have a great loss. In the past, people generally used optical repeaters to expand the optical signal. This kind of equipment has certain limitations in practical use, and it has been gradually Instead of optical fiber amplifiers, the working principle of optical fiber amplifiers is shown in t...
    2022-05-23
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