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China Suppliers Factory Extended C/L-Band ASE Source, 1528~1603nm, 5~50mW, Flatness <3dB for Optical Testing
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China Suppliers Factory Extended C/L-Band ASE Source, 1528~1603nm, 5~50mW, Flatness <3dB for Optical Testing

The C+L ASE light source is a high-performance broadband solution based on Erbium-Doped Fiber Amplifier (EDFA) technology, ideal for various applications such as optical device production testing and fiber sensing. This advanced light source provides a wide spectral range and stable power output, making it a preferred choice among China suppliers and factories in the optics industry. With its reliable performance, the C+L ASE light source is essential for ensuring quality and efficiency in optical testing processes.
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    Product Details

    Product Description

    Excellent Spectral Characteristics

    Operating wavelength range typically 1528-1603nm, spectral width up to 75nm, covering both C and L bands. Suitable for various applications requiring broad spectrum, such as testing device performance at different wavelengths during production.

    High Spectral Flatness

    Utilizes spectral flattening technology achieving flatness better than 3dB. This ensures a relatively uniform power distribution across the output spectrum, guaranteeing consistency and accuracy in measurements or applications at different wavelengths, enhancing test and application precision.

    Output Power Advantage

    Output power can reach 20mW or higher. Various power levels are available (e.g., 13dBm, 15dBm, 17dBm, 19dBm), providing sufficient optical power for device testing, fiber sensing, etc., meeting requirements for long-distance transmission or high optical power.

    Adjustable Power

    Typically features power adjustability from 10% to 100% while maintaining spectral flatness. Users can precisely adjust output power according to actual needs, adapting to different test or application conditions.

    High-Precision Temperature Control

    Employs a high-precision ATC system alongside specialized circuit design (ACC and APC), effectively controlling pump output to ensure laser output power stability, reducing the impact of temperature variations on performance for stable operation in diverse environments.

    Optimized Optical Path Design

    Based on EDFA gain, the optical path design is simple with high optical-to-optical conversion efficiency, reducing losses and potential failure points. Global optical feedback control technology ensures stability of output power and spectral shape, enhancing source reliability.

    Multiple Form Factors

    Available as compact modules for easy integration into other systems, or as benchtop units, meeting various user needs and installation conditions.

    Working Environment Indicators

    Parameters Min Typ Max Unit Remarks
    Operating Temperature -5 - 55 ℃ -
    Storage Temperature -40 - 85 ℃ -
    Working Relative Humidity 5 - 85 % 40° non-condensable
    Store Relative Humidity 5 - 90 % -

    Optical Indicators

    Parameters Min Typ Max Unit Remarks
    Operating Wavelength 1528 - 1602 nm -
    Size (W*L*H) 90*70*15 mm -
    Output Fiber SMF-28e, 900um, white pine sleeve nm -
    Output Fiber Connector FC/APC - Custom made
    Output Fiber Length 0.49 0.5 0.51 m 0.5+/-0.01m, including head, custom
    Work Pattern APC/ACC - -
    No Optical Reported -60 dBm -
    Output Power - - 17 dBm -
    Gain Flatness - - 3 dB @Test at typical values
    Short-term Output Power Stability - - ±0.01 dB Fifteen minutes
    Long-term Output Power Stability - - ±0.03 dB Eight hours
    Full Temperature Power Stability - - 5 % -
    Return Loss 45 - - dB -
    Insulation - 35 - dB -
    APC Output Power Can Be Set Within a Range 0 - 17 dBm Set the precision to 0.1dB

    Electrical Indicators

    3.1 Power Supply Parameters
    Parameters Min Typ Max Unit Remarks
    Service Voltage 4.75 5.0 5.25 V -
    Supply Current - - 0.6 A -
    Power Dissipation - - 3 W -
    3.2 Pin Definition
    3.2.1 Communication interface type: 30/34Pin optional 2.00mm spacing, male socket
    3.2.1.1 30pin pin definition, 2.00mm spacing, male socket
    Pin Name Attribute Level Type
    1 +5V P -
    2 +5V P -
    3 +5V P -
    4 +5V P -
    5 the earth P -
    6 the earth P -
    7 NC F -
    8 NC F -
    9 the earth P -
    10 the earth P -
    11 NC F -
    12 NC F -
    13 NC F -
    14 NC F -
    15 NC F -
    16 NC F -
    17 NC F -
    18 NC F -
    19 NC F -
    20 NC F -
    21 GND P -
    22 GND P -
    23 Serial input I LVTTL
    24 Serial output O LVTTL
    25 GND P -
    26 GND P -
    27 +5V P -
    28 +5V P -
    29 +5V P -
    30 +5V P -
    3.2.1.3 34pin pin definition, 2.00mm spacing, male socket
    Pin Name Attribute Level Type
    1 NC F -
    2 NC F -
    3 +5V P -
    4 +5V P -
    5 +5V P -
    6 +5V P -
    7 the earth P -
    8 the earth P -
    9 NC F -
    10 NC F -
    11 the earth P -
    12 the earth P -
    13 NC F -
    14 NC F -
    15 NC F -
    16 NC F -
    17 NC F -
    18 NC F -
    19 NC F -
    20 NC F -
    21 NC F -
    22 NC F -
    23 GND P -
    24 GND P -
    25 Serial input I LVTTL
    26 Serial output O LVTTL
    27 GND P -
    28 GND P -
    29 +5V P -
    30 +5V P -
    31 +5V P -
    32 +5V P -
    33 NC F -
    34 NC F -
    Note 1: P: power; I: input; O: output; F: suspended.

    Serial Communication Protocol: (Special protocol can be customized and developed)

    4.1 Serial Port Parameters
    Parameter Value Unit
    Baud rate 9600 Bit/s
    Data bit 8 Bit
    Stop bit 1 Bit
    Check bit not have -
    4.2 Communication Protocol: Customizable

    Communication protocol format: Downlink command start flag bit first byte 55, second byte AA, uplink command return start flag, first byte AA second byte 55.

    Structure Appearance

    5.2 Mechanical Size: 90*70*15mm

    product description01

    Frequently Asked Questions (FAQ)

    1. What is the typical operating wavelength range and spectral width?
    The typical operating wavelength spans from 1528nm to 1603nm with a broad spectral width up to 75nm, fully covering both C and L bands.
    2. How is the gain flatness maintained across the spectrum?
    Through integrated spectral flattening technology, the source achieves a gain flatness better than 3dB, ensuring consistent and uniform optical power output across all operating wavelengths.
    3. What is the maximum output power and power adjustment range?
    The module delivers a maximum output power of up to 17dBm (or 20mW+), and features precise APC power setting capabilities from 0 to 17dBm with 0.1dB step precision, covering a 10% to 100% adjustability range.
    4. What connector and fiber types are standard on this light source?
    It comes standard with an FC/APC connector (customizable) and SMF-28e fiber (900µm loose tube, 0.5m length ±0.01m).
    5. What pin configurations are supported for control and power?
    Both 30-Pin and 34-Pin male sockets (2.00mm pitch) are available, supporting +5V DC power inputs, LVTTL serial input/output, and ground pins.
    6. Can the serial communication protocol be customized?
    Yes, while standard serial communication is set at 9600 bps (8-N-1) using 55 AA and AA 55 header flags, special communication protocols can be custom-developed to suit specific system integrations.

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