The photoelectric devices, which contained laser and detector were widely used in optical-fiber communication, laser-printer, laser-length-detector, laser instrument and the reading and writing of the CD ROM. etc.

• 半导体光电器件(激光器、探测器)广泛应用于光纤通信、激光打印、激光测距、激光仪器、以及光盘的“读”、“写”与探测等等。