Integrated Polarization Beam Combiner and Depolarizer(IPBCD) is based on Accelink patented design which can be used in Raman or Hybrid amplifiers. The function is to combine two pump lasers which also has an isolator to protect pump laser and scrambling the polarization of light to improve amplifier efficiency and performance within a single, compact-sized cylinder package. This product has low Insertion loss, low DOP, etc.