• High Density Fiber Management is Faced with Two Difficulties of Protection and Maintenance
    High Density Fiber Management is Faced with Two Difficulties of Protection and M...
    ADSL broadband based on telephone lines has been gradually replaced by "optical fiber into the home". The data center wiring system is also increasingly using optical fiber network. "Optical copper retreat" has become the trend of data center construction. According to the survey report, the number of optical fiber ports has exceeded the number of copper cable ports in data cen...
    2019-02-19
  • New Progress in Silicon Applications
    New Progress in Silicon Applications
    Femtosecond lasers have made breakthroughs in their structural inability to deal with bulk silicon. The use of extreme NA values allows laser pulses to achieve sufficient ionization to destroy chemical bonds in silicon, leading to permanent structural changes in silicon materials.
    2019-02-02
  • Spring Festival schedule arrangement  in Box Optronics Tech
    Spring Festival schedule arrangement in Box Optronics Tech
    The office close on Februray 1st, open at February 11th. wish everyone a happy New Year.
    2019-01-28
  • Difference between Laser Sensing and Traditional Infrared Sensing
    Difference between Laser Sensing and Traditional Infrared Sensing
    At present, for methane detection machines, there are mainly on-line gas detectors using non-dispersive infrared mode, and Catalytic Combustion Methane detectors.
    2019-01-20
  • Optical direct modulation and external modulation
    Optical direct modulation and external modulation
    Direct modulation of semiconductor lasers is to modulate the laser by superimposing the pre-modulated (AM, FM, PCM) signal current on the bias current of the laser. Because it is to change the intensity of light, it is also called intensity modulation. For digital transmission, although the speed is very high, only two working states of optical signal or non-optical signal are ...
    2019-01-20
  • Erbium Doped Fiber Amplifier (EDFA)
    Erbium Doped Fiber Amplifier (EDFA)
    Erbium-doped fiber amplifier (EDFA) uses Erbium ion as medium to realize energy conversion. The working wavelength window of energy amplification is 1550 nm and the width is 50 am, which coincides with the low loss window of optical fiber. The energy injection window is 980 nm and 1480 nm.
    2019-01-20
  • What is TDLAS
    What is TDLAS
    TDLAS is the abbreviation of Tunable Diode Laser Absorption Spectroscopy.
    2019-01-20
  • Principle of laser gas detection
    Principle of laser gas detection
    TDLAS technology is essentially a spectral absorption technology. The concentration of gas can be obtained by analyzing the selective absorption of laser by gas. It differs from traditional infrared absorption technology in that the spectral width of semiconductor lasers is much smaller than that of gas absorption lines.
    2019-01-16
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