LD4B-638-FP-10

Laser Diode by LD4B

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The LD4B-638-FP-10 from LD4B is a Continuous Wave Laser Diode that operates at a wavelength of 638 nm. It delivers an output power of 13 mW and has a spectral width of 1 nm. This laser diode has a slope efficiency of 0.55 mW/mA and polarization extinction ratio above 17. It requires a threshold current of 35 mA and DC supply voltage of 2.3 V. This laser diode has a built-in monitor photodiode with a monitor current of 0.06 mA and is RoHS & REACH compliant. It supports SM04, SMP04 output fibers, and FC/UPC or FC/APC connectors. This laser diode is available in COAX, COAXB, TH, DIL, DILRAD, or BTF packages.

Product Specifications

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Product Details

  • Part Number
    LD4B-638-FP-10
  • Manufacturer
    LD4B
  • Description
    638 nm Continuous Wave Laser Diode

General Parameters

  • Technology
    Fabry-Perot (FP)
  • Operation Mode
    CW Laser
  • Wavelength
    635 nm, 638 nm, 642 nm
  • Output Power
    10 to 13 mW
  • Output Power
    10 to 13 mW
  • Spectral Width (FWHM)
    1 to 3 nm
  • Operating Voltage
    2.3 to 2.5 V
  • Operating Current
    53 mA
  • Operating Current
    53 mA
  • Reverse Voltage
    2 V
  • Reverse Voltage(PD)
    30 V
  • Threshold Current :
    35 to 45 mA
  • Monitor Current
    0.03 to 0.3 mA
  • Fiber Modes
    Single Mode, Polarization Maintaining
  • Polarization Extinction Ratio
    17 dB
  • Slope Efficiency
    0.40 to 0.55 mW/mA
  • Package Type
    Coaxial Pigtailed, DIL / DIP / Through-Hole, Butterfly
  • Package
    Coaxial Pigtailed, 14-Pin DIL, 14-Pin Butterfly
  • Lead Soldering Temperature
    260 Degree C
  • Thermistor Resistance
    10 kOhms
  • Type
    Fiber-Coupled Laser Diode
  • Wavelength Temp. Coefficient
    0.15 nm/Degree C
  • Output Power (CW)
    10 to 13 mW

Physical Properties

  • Fiber core diameter
    0.9 mm
  • Fiber length
    500 mm, 1000 mm
  • RoHS
    Yes

Connections & Interface

  • Connector
    FC/UPC, FC/APC

Temperature

  • Operating Temperature
    -10 to 60 Degree C (Coaxial), -40 to 60 Degree C (DIL, Butterfly)
  • Storage Temperature
    -20 to 60 Degree C

Technical Documents

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