The Institute of Optics and Electronics of the Chinese Academy of Sciences (simplified Chinese : 中国科学院光电技术研究所 ; traditional Chinese : 中國科學院光電技術研究所 ; pinyin : Zhoōngguó Kēxuéyuàn Guāngdiàn Jìshù Yánjiūsuǒ) is a Chinese science research institute located in the town of Wenxing, Shuangliu District of Chengdu, in southwest China's Sichuan province. It is the largest institute of Chinese Academy of Sciences (CAS) in southwest China, founded in 1970. It is a diversified organization with operations in photoelectric tracking measurement, beam control, adaptive optics, astronomical target photoelectric observation and recognition, advanced optical manufacturing, aerospace photoelectric equipment, micro nano optics, microelectronics optics, and biomedical optics. It has more than 1,200 staff, including 2 academicians of the Chinese Academy of Engineering (CAE), 1 winner of National Science Fund for Outstanding Young Scholars, 1 recruitment program of global experts, 1 chief scientist of National 973 Program, 8 state-level experts in the field of opto-electronics, 13 academic and technological research leaders in Sichuan, and 350 senior S&T personnel.