Compared with the traditional fused couplers both its hermetization and polarization insensitivity are improved.This kind of high performance coupler can be applied in harsh environment.

• 与传统熔融拉锥型单模光纤耦合器比较，可改善偏振特性，密封性好，具有高可靠性，能满足恶劣环境要求。