Book excerpt: Collection of selected, peer reviewed papers from the 2013 2nd International Conference on Opto-Electronics Engineering and Materials Research (OEMR 2013), October 19-20, 2013, Zhengzhou, Henan, China. The 467 papers are grouped as follows: Chapter 1: Optoelectronic, Communication Technology and Applications; Chapter 2: Materials Science Engineering; Chapter 3: Mechatronics, Control and Management, Testing, Measurement and Monitoring Technologies; Chapter 4: Image Processing Technology and Methodology, Recognize Technologies; Chapter 5: Computing Methods and Algorithms, Automation and Information Technologies, CAD Applications.