Micro PBS separates a laser beam into two different polarization beams. Micro PBS is generally used in fiber optical communication as the core component of polarizer, polarization beam combiner, and interleaver.

Key Features

  • Low Polarization Dependent Loss
  • Low Insertion Loss
  • Low PMD
  • Environmentally Stable


  • Polarization Beam Combiner
  • Raman Amplifier
  • Circulators
  • Interleavers

Factory Standard – Contact us for manufacturing limit or custom specifications.

  • Material: BK7 grade A, optical glass
  • Dimension: 0.2mm
  • Flatness: l/4 l@ 632.8 nm per 25mm or better
  • Extinction Ratio: >100:1
  • Beam Deviation: <3 arc minutes
  • Principal Transmittance: >98% and Ts<0.5%
  • Principal Reflectance: Rs>99.5% and Rp<2%


Polarization beamsplitter coating on hypotenuse face,
AR-coatings (R<0.25%) on all input and output face.


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