Interferometer by LD-PD Inc

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The FP-WLFE-NIR from LD-PD Inc is a Fabry-Pérot Interferometer that has a spectral response of 1.3 µm - 2 µm. It has a clear aperture size of 22.9 mm and diameter of 25.4 ± 0.05 mm. This multi-beam interferometer has a surface quality of 60 - 40, parallelism of 5 - 10 arc sec, and end surface flatness of 1/10 lambda. It has a copper tube that measures 100 ± 0.2 mm (length) and is ideal for wavelength locker, handheld spectrum analyzer, fiber bragg grating sensing systems, tunable filter laser, tunable filter, and wavelength division multiplexing telecommunication network applications.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    LD-PD Inc
  • Description
    1.3 µm - 2 µm, Fabry-Perot Interferometer for FBG Sensing Applications

General Parameters

  • Type
    Fabry-perot Interferometer
  • Measurement Type
    Shape, Reflectivity, Angle
  • Wavelength
    1.3 to 2 µm
  • Frequency Resolution :
    1 kHz
  • Beam Diameter
    25.4 mm
  • Measuring Length
    100 mm
  • Note
    Clear Aperture: 22.9 mm, Parallelism: 5 to 10 arc sec, End Flatness: NIR 1/10 lambda.

Connections & Interface

  • Connector
  • Interface


  • Applications
    Wavelength locker, Wavelength division multiplexing telecommunication network, Handheld Spectrum Analyzer, Fiber Bragg Grating Sensing System, Tunable filter laser, Tunable filter

Technical Documents

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