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Reliable Narrow Linewidth Laser < 3kHz | 120dBc/Hz @1MHz | China Suppliers & Factory
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Reliable Narrow Linewidth Laser < 3kHz | 120dBc/Hz @1MHz | China Suppliers & Factory

Narrow Linewidth Laser products from top China suppliers are designed to provide exceptional narrow spectral linewidth, high frequency stability, and robust environmental adaptability. Our factory utilizes advanced manufacturing techniques to ensure that these lasers meet the highest industry standards, making them ideal for various applications in research and development. Trust our China factory for quality Narrow Linewidth Lasers that deliver reliable performance in any environment
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    Product Details

    Product Description

    Narrow Spectral Linewidth
    Spectral linewidth <3kHz. The narrow linewidth concentrates the optical signal better in the frequency domain with higher spectral purity.
    High Frequency Stability
    Output laser frequency is stable, reducing issues like signal errors caused by frequency fluctuations. Widely used in fields requiring extremely high frequency stability, such as optical precision measurement and quantum precision measurement.
    Strong Resistance to Dispersion
    The narrow spectral linewidth helps reduce chromatic dispersion effects during fiber transmission. Can serve as a light source in fiber optic communication systems for high-speed data transmission and long-distance communication.
    Compact & Lightweight Structure
    Employs technologies like modular design to achieve narrow linewidth and high power output while maintaining small size for easy installation and use.
    Strong Environmental Adaptability
    Utilizes all-fiber design and fully sealed structure with strong anti-interference capability, enabling stable operation in various complex environments.
    Good Modulation Characteristics
    Products feature high modulation bandwidth and fast frequency modulation capabilities.

    Working environment indicators

    Parameters Min Typ Max Unit Remarks
    operating temperature -10 55 ℃
    Storage temperature -40 85 ℃
    Working relative humidity 15 85 % 40° non-condensable
    Store relative humidity 10 90 %

    Optical indicators

    Parameters Parameter ValueRange
    Laser wavelength 1550nm±0.4nm Or ITU wavelength (1530~1565nm)
    Laser linewidth ＜3kHz
    noise-signal ratio ＞50dB
    Relative intensity noise <-100dB/Hz@peak frequency; <-120dB/Hz@1MHz
    Tunable wavelength (nm) ±0.2nm
    Rapid resonance frequency ＞300kHz
    Output power 10-60mW (customizable)
    Power stability <±1% (8 hours); short-term stability (15min)<0.03dB
    Wavelength stability 0.2pm (1 h); short-term stability (15min)<0.1pm
    Working temperature -10~50℃
    Output pigtail FC/APC SM1550 single-mode fiber
    Size 90*70*20mm
    Power supply interface DB9 or throw the line
    Communication interface RS232

    Electrical indicators

    3.1 Power supply parameters:
    Parameters Min Typ Max Unit Remarks
    service voltage 4.75 5.0 5.25 V
    supply current - - 3.0 A
    power dissipation - - 15 W
    3.2 Pin definition:
    3.2.1 Communication interface type: wire throw or DB9 interface
    Shipped interface definition:
    pigment type functional description
    red source + +5V
    black source - GND
    white SGND communication GND
    yellow TX communication TX
    blue RX communication RX
    DB9 interface definition
    order number definition
    1 NC
    2 TXD
    3 RXD
    4 NC
    5 GND
    6 +5V
    7 GND
    8 +5V
    9 GND

    Structure appearance

    5.1 Mechanical size: 90*70*15mm
    Swing joint interface:
    product description01
    product description02

    Frequently Asked Questions (FAQ)

    What is the spectral linewidth of this laser?
    The laser features a narrow spectral linewidth of less than 3kHz, which concentrates the optical signal better in the frequency domain to achieve higher spectral purity.
    What are the operating and storage temperature limits for this device?
    The operating temperature range is -10℃ to 55℃, and the storage temperature range is -40℃ to 85℃. The relative humidity for operation should be between 15% and 85% (non-condensable).
    What are the power supply requirements?
    The service voltage is typically 5.0V (ranging from 4.75V to 5.25V), with a maximum supply current of 3.0A and a maximum power dissipation of 15W.
    Which communication interfaces does the laser support?
    The laser supports RS232 communication interface. It is available either as a wire throw or a DB9 interface configuration depending on shipping specifications.
    What type of output pigtail is integrated?
    The laser is equipped with an FC/APC SM1550 single-mode fiber output pigtail for optical connection.

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