Double-transmitting and double-receiving optical device

The utility model discloses a double-transmitting and double-receiving optical device which comprises a first laser transmitter, a second laser transmitter, a first lens, a second lens, a first 45-degree filter, an isolator, a second 45-degree filter, a third 13-degree filter, a converging lens, a fourth 32-degree filter, an adapter, a first detector and a second detector. According to the utility model, the total length of the optical transceiver device can be shortened, so that the miniaturization packaging requirement can be met; moreover, the rear-end production process is simplified, the complexity of the rear-end coupling assembly is reduced, and the coupling efficiency can be improved. 本实用新型公开了一种双发双收光器件，包括第一激光发射器、第二激光发射器、第一透镜、第二透镜、第一45°滤波片、隔离器、第二45°滤波片、第三13°滤波片、汇聚透镜、第四32°滤波片、适配器、第一探测器和第二探测器；本实用新型可以缩短光收发器件的总长，便于满足小型化封装要求；且简化了后端生产流程，也降低了后端耦合组件的复杂度，能提升耦合效率。