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Gathering Laser

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SCSL Non-planar Ring Oscillator (NPRO) Laser

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Equipment features:

▪ Narrow linewidth ▪ Temperature/PZT tuning ▪ Spatial/fiber output ▪ Power feedback
  • Product parameters
  • Application fields
  •  

     Parameter Name Unit Indicator Content
    Center Wavelength nm 1064.3nm
    Operating Mode - Continuous
    Output Mode - Spatial Fiber Coupling
    Output Power mW 250  50 
    Linewidth kHz ≤5
    Beam Quality M2 - ≤1.2
    Power Stability RMS % ≤2.5
    Frequency Stability MHz/min 3 
    Relative Intensity Noise dB/Hz <-90@peak      <-140@10 MHz
    Temperature Tuning Range GHz 30 
    Temperature Tuning Coefficient GHz/K 2  3  4 
    Temperature Tuning Speed GHz/s 0.5  1  1.2 
    PZT Tuning Range MHz 30 
    PZT Tuning Coefficient MHz/V 1.4 
    PZT Tuning Bandwidth kHz 50 
    Fiber Type - - PM980
    Fiber Length m - 2m
    Fiber Interface - - FC/APC
    Temperature/PZT Tuning Interface - SMA, 50Ω
    Communication Interface - RS422
    Power Supply VAC 220VAC
    Output Power Consumption W 50W
    Operating Temperature ℃ 15  - 35 
    Storage Temperature ℃ -5  - 60 
    Relative Humidity % 0  - 80 
  • ▪ Laser seed source

    ▪ Precision spectral measurement

    ▪ Laser gravitational wave detection

    The SCSL series non-planar ring cavity (NPRO) lasers are used in fields such as fiber optic sensing, coherent communication, and laser radar seed sources.

    The NPRO laser uses a single piece of laser crystal combined with a magnetic field to form a unidirectional non-planar ring cavity (Non-Planar Ring Oscillator, NPRO), achieving continuous single-frequency laser output with narrow linewidth (kHz), low noise, and high frequency stability. Reliable packaging technology, long-term aging tests, and actual installation verification make this series of lasers stable, reliable, and perform excellently.

    The spectral linewidth of the NPRO laser is <5kHz, with relative intensity noise less than -140dB/Hz at 10MHz. This is due to the stable oscillator within the laser and the accompanying noise reduction circuit, which effectively eliminates the self-excited relaxation oscillation of the laser.

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SCSL Non-planar Ring Oscillator (NPRO) Laser

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