Xi'an Institute of Optics and Precision Mechanics (XIOPM, 中国科学院西安光学精密机械研究所) is a research institute focusing on strategic high-tech innovation and applied basic research. It specializes in transient optics and photonics, high-resolution visible light spatial information acquisition and optical remote sensing technologies, interference spectrum imaging, optoelectronic information acquisition and processing, underwater optical technologies, etc.