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 Tiny Optical Free-space Circulator

  Free-space circulator of Xuhai can achieve small dimension of 2mmx2.5mmx3.5mm to realize optical circulation by applying nano material technology into optics. Without inceasing BIDI-BOSA/SFP dimension, free-space circulator can be integrated into BOSA case. It has low insertion loss(<0.5dB) and high isolation(>40dB),etc.  It can be widely used in same wavelength BIDI transmission, OTDR and laser distance measuring,etc.

  Compared with general optical circulator realized by optical circulators with pigtai and optical splitter, the following problems need to be faced:

● Large dimension triggered by Circulator Difficult to Integration and Assemble

● High IL of splitter common solutionSplitter introduce 6dB insertion loss

● High IP risk of other Free spacePerfect protection of IP from Finisar makes other free space circulator difficult to avoid IP of Finisar

  Free-space circulator of Xuhai has solved the problem perfectly. It has character listed as below:

● Small size2mm*2.5mm*3.5mm

● Simple structureReliable and low cost

● Unique DesignApply Nano material in the design to achieve own exclusive IP.

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