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Product Information

Product Information

PD-LD Inc. now offers its next generation of Dual Wavelength Laser Combiner Modules. These devices are designed to couple light from two different semiconductor laser diodes into a single optical fiber output. Single fiber dual wavelength combiner modules offer the user the simplicity of using a single device when configuring equipment that requires the output of two different laser wavelengths. These Combiner Modules combine two sources in a single housing thus relieving the user of having to fusion splice two discrete lasers along with a coupler and then squeeze them onto their PCB.

These small , compact modules require minimal board real estate and may be specified by combining any combination of the following three wavelengths:

1310 nm

1550 nm

Modules using 1310 and 1550 nm DFB lasers may be specified . Pulsed lasers, suitable for OTDR applications are also available at both 1310 and 1550 nm.

The PD-LD product incorporates low threshold current, high differential quantum efficiency MQW Multiple Quantum Well) FP semiconductor lasers whose typical total operating currents are less than 30 mA. These low current consuming laser diodes are well suited for equipment using battery power sources. Low threshold and drive currents help to extend operating duration between battery recharge or replacement.

  • Output Power –7dBm to 0dBm
  • -20 to +70o Operating Temperature
  • Choice of Wavelengths



  • Compact, rugged construction
  • Low Threshold Current Laser
  • Low Power Consumption
  • Available with optical connectors
  • Replaces Discreet Lasers and Optical Couplers
  • Class 1 Eye Safe Device
  • UL Listed

Stabilized Light Source

  • Hand Held Instruments
  • Fiber Loss Measurement
  • Fiber Plant Characterization

Laser Combiner, Single Mode, 1310/1550nm

  • Single-mode
  • 1310/1550nm
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