Superluminescent Diode by Superlum

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The SLD-785G20P5 from Superlum is a Single-Mode Fiber Pigtailed Superluminescent Diode (SLD) that has a central wavelength of 785 nm. It delivers an output power of up to 5 mW and has a bell-shaped spectrum of width 20 nm (FWHM). This SLD has a forward voltage of up to 2.5 V and a forward current of up to 180 mA. It is available in a TOW packaged module and has FC/APC connectors. This SLD is ideal for fiber-optic sensors, OCT, low coherence interferometry, and optical measurement applications.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
  • Description
    785 nm Single-Mode Fiber Pigtailed SLD Module for OCT & Fiber-Optic Sensors

Fiber Parameters

  • Fiber Mode
    Single Mode

General Parameters

  • Type
    Fiber-Coupled SLED
  • Wavelength
    785 nm
  • Output Power
    5 mW
  • Bandwidth (FWHM)
    15 to 20 nm
  • Forward Voltage
    2.5 V
  • Package Type
    Butterfly, Coaxial Pigtailed
  • Forward Current
    180 mA
  • PD Monitor Bias Voltage
    5 V
  • PD Monitor Current
    100 µA
  • Residual Spectral Modulation depth(Ripple)
    2 to 5 %
  • Secondary coherence subpeaks
    -20 dB (10 log)
  • Thermistor B Constant
    3892 K
  • Thermistor Resistance
    10 kOhms


  • Operating Temperature display
    -55 to 75 Degree C
  • Storage Temperature
    -55 to 85 Degree C

Technical Documents

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