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    • 1550 nm Broadband SLED Light Source

    MP-SLD-1550-70-B-FC/APC is a 1550 nm broadband SLED light source module designed for FBG fiber sensing and optical testing applications. It features a broad spectrum, high output power, and high stability. Its 3 dB spectral width is greater than 70 nm, and its output optical power is greater than 12 mW. It can provide a stable broadband light source for multi-point, multi-wavelength FBG sensing systems. The module integrates SLED drive, temperature control, and an optical circulator, enabling separation of the broadband optical output and the FBG reflected signal, effectively simplifying the system optical path and peripheral device configuration. It also supports USB parameter control and external digital modulation, facilitating optical power adjustment and system synchronization control. The product adopts a compact modular design and is suitable for FBG demodulation, structural health monitoring, fiber-optic device testing, and scientific research experiments.

    Product features：Broad spectral output；High output power；Highly integrated design；Flexible control method

    Part Number：MP-SLD-1550-70-B-FC/APC

    Application area：FBG fiber sensing systems | Structural health monitoring | Fiber and optical device testing | Spectral analysis and scientific research experiments

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    Main parameters
  • Core parameters

  • Spectral Range Output optical power 3 dB spectral width

    1550 nm >12 mW >70 nm

  • Dimension Drawing
    • General Parameters

    Parameter

    Specification

    Center wavelength

    1550 nm (typical)

    Center wavelength range

    1535～1565 nm

    3 dB spectral width

    >70 nm

    Output optical power

    >12 mW

    Output stability (1 h)

    ±0.03 dB

    Output stability (8 h)

    ±0.1 dB

    Optical fiber interface

    FC/APC

    Optical interface

    Source / Return

    Optical circulator

    Built-in

    Continuous wave mode

    CW

    CW control mode

    APC / ACC

    External modulation mode

    ACC

    Optical power adjustment

    0–full scale, USB adjustable

    External modulation signal

    LVTTL

    Modulation interface

    SMA

    Input impedance

    50 Ω

    Rise/fall time

    <0.1 μs

    Operating voltage

    4.75～5.25 V DC

    Typical supply voltage

    5 V DC

    Typical input current

    1.5 A

    Typical power consumption

    7.5 W

    Control interface

    USB Mini-B

    Operating temperature

    0～65 ℃

    Storage temperature

    -40～85 ℃

    Maximum relative humidity

    85%

    Cooling method

    Air cooling

    Dimensions

    120 × 90 × 30 mm

      

    Pin Definitions and Functions

    图片2.png

    Pin No.

    Symbol

    Power/Control

    Analog /Digital

    Input /Output

    Description

    1

    VS

    P



    +5VDC

    2

    GND

    P



    Power Supply Ground / Common Ground

    3

    N/C




    No Connection

    4

    _______

    LO_EN

    C

    D

    I

    Light Output Enable (active low).   

    To enable: Input Low or no connection

    To disable: Input High

     


    Optional Configurations

    --

    Downloads

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  • Product title: 1550 nm Broadband SLED Light Source
  • Product link: https://www.idealphotonics.com/product/detail/1919.html

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    • 10+ 10 Years of Experience
    • 50 50 + Countries Bussiness
    • 10000 10k + Diodes sold worldwide
    • 30 30+ Invention patent
    • 10 10+ Advanced Optical Solutions

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