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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 solution： Splitter introduce 6dB insertion loss
● High IP risk of other Free space： Perfect 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 size：2mm*2.5mm*3.5mm
● Simple structure：Reliable and low cost
● Unique Design：Apply Nano material in the design to achieve own exclusive IP.