DFB-1690-005

Laser Diode by Sacher Lasertechnik

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The DFB-1690-005 from Sacher Lasertechnik is a Distributed Feedback (DFB) Laser Diode that operates at a wavelength of 1690 nm. It delivers an output power of 5 mW and has a spectral width of 1.5 MHz. This laser diode has a wavelength tuning of 2 nm and slope efficiency of 0.15 mW/mA. It has TE00 mode with a beam divergence of 24 deg (parallel) and 30 deg (perpendicular) at FWHM. This laser diode has a chip length of 300 μm and an emitter width of 3 μm x 1.5 μm. It requires a threshold current of 25 mA and consumes 65 mA of current. This laser diode has a temperature tuning coefficient of 0.12 nm/K and current tuning coefficient of 0.06 nm/mA. It is available in a TO5 housing that measures 18.51 mm x Ø 8.5 mm and is ideal for water vapor spectroscopy, scientific & industrial applications.

Product Specifications

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Product Details

  • Part Number
    DFB-1690-005
  • Manufacturer
    Sacher Lasertechnik
  • Description
    1690 nm DFB Laser Diode for Water Vapor Spectroscopy Applications

General Parameters

  • Configuration
    Single-Emitter
  • Technology
    Distributed Feedback (DFB)
  • Operation Mode
    CW Laser
  • Wavelength
    1690 nm
  • Wavelength Tolerance
    ± 2 nm
  • Output Power
    0.005 W
  • Spectral Width (FWHM)
    1.5 to 10 MHz
  • Operating Current
    85 to 120 mA
  • Emitter Width
    3 x 1.5 µm
  • Threshold Current :
    15 to 45 mA
  • Laser Gain Medium
    GaInAsP, InP
  • Beam Divergence Parallel
    16 Degree
  • Beam Divergence Perpendicular
    30 Degree
  • Emitting Size/Emitter Chip
    1000 x 500 x 200 µm (L x W x H)
  • Fiber Modes
    Single Mode
  • Slope Efficiency
    0.05 to 0.1 mW/mA
  • Package Type
    TO-Can
  • Package
    TO-5
  • Type
    Free Space Laser Diode
  • Wavelength Temp. Coefficient
    Temperature Coefficient: 0.1 to 0.15 nm/K , Current Tuning Coefficient: 0.05 to 0.08 nm/mA
  • Output Power (CW)
    0.005 W
  • Note
    Chip Length: 600 µm , Temperature Coefficient: 0.1 to 0.15 nm/K , Current Tuning Coefficient: 0.05 to 0.08 nm/mA

Temperature

  • Operating Temperature
    20 to 50 Degree C
  • Storage Temperature
    -40 to 80 Degree C

Technical Documents

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