Is the optical center of Changchun Institute of Optics and Mechanics single or double broken?

The optical center of Changchun Institute of Optics and Mechanics was closed for two weeks. Changchun Institute of Optics and Mechanics is often called the Institute of Optics and Mechanics in Changchun, and it is called Changguang Institute in the outside world. The Institute is a research-oriented university with a long history and strong scientific research strength. Therefore, graduates of master's degree and doctor's degree who are recruited through the official campus will get career preparation (some graduate students solved career preparation in previous years, and after 20 19, almost all fresh graduates solved career preparation). This research institute is the first one established in the field of optics in New China. He has made outstanding contributions to the modernization of national defense and has a good reputation and influence in the Chinese Academy of Sciences system. At the same time, the Changchun area where it is located also has a good reputation and is one of the star units in Changchun.