From January 27 to February 1, 2018, Chairman SenHan participated in the Photonics West and the 2018 SPIE Strategic Planning Committee.

The International Society for Optics and Photonics (SPIE) is a non-profit professional organization in the United States. Its members are scientists, engineers and users, as well as interested in the practical application and popularization of optical engineering technology. Set up senior members, members and lifelong members. As of 1992, there were about 50000 members from all over the world. SPIE has great influence in academia, and is the most authoritative professional organization in the field.