隔离器件 meaning in English

barrier device

Test methods of optical isolators for light beam transmission
光束传输用光隔离器件的试验方法
General rules of optical isolators for fiber optic transmission
光纤传输用光隔离器件通用规则
General rules of optical isolators for light beam transmission
光束传输用光隔离器件的通用规则
Test methods of optical isolators for fiber optic transmission
光纤传输用光隔离器件的试验方法