Fiber Optical Polarization Beam Combiner

(Low-Loss, Bidirectional, All Wavelengths)
Features:
  • High Reliability
  • High Efficiency
  • Low loss
  • Compact

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SKU: PBCB

The FPBC Series fiber optical polarization beam combiner is based on a proven micro-optic configuration, featuring low optical loss, high power handling, and wide temperature operation. The device efficiently combines two beams within a specified wavelength band into a single fiber output.  We produce combiner with all possible output polarization status: 1) Circularly polarized single mode; 2)  Same polarization as the input; 3) two orthogonally polarizations.  Slow axis is the default fiber axis.  The device works with variable light intensity ratio between the two inputs.  Custom configuration is available.

The FPBC polarization beam combiner is designed to meet the most demanding requirements of ultra-high reliability, vibration insensitive, and wide operation temperature. They are Telcordia GR1221 qualified.

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PM Combiner Min Typical Max Unit
Insertion

Loss [1]

1900-2200nm 0.8 1.8 dB
1260~1650nm 0.6 1.0
960~1100nm 0.8 1.3
780-960nm 1.2 1.5
520 – 680nm 1.5 2.3
IL Temperature Dependency 0.25 0.5 dB
Wavelength Dependent Loss 0.15 dB
Polarization Extinction Ratio [2]   18 22 28 ps
Return Loss 50 50 dB
Polarization Alignment Slow Axis
Digital Modulation Rate [3] DC 1 MHz
Optic power

Handling [4]

1260 – 2200nm 300 mW
520-480 100 mW
Operating Temperature Standard -5 75 oC
Special version -30 85
Storage Temperature -40 100 oC

[1] Measured without connectors. Connector increase loss about 0.3dB

[2] Measured without connectors. Connector reduce extinction ratio about 2dB

[3] The maximum phase change is set at a predetermined value

[4] High Power up to 10W is available

Red color indicates special orders