Optical Engineering + Applications 2025 is an important international conference in the field of optics and photonics, which will be held at the San Diego Convention Center in California, USA from August 3 to 7, 2025. As an important part of the SPIE Optics + Photonics conference, this conference focuses on the latest progress in optical engineering and applications, covering classical optical research and development, design and engineering technology, as well as cutting-edge fields such as space optics, information processing, remote sensing technology and lighting engineering. During the conference, experts, scholars, researchers and industry representatives from all over the world will gather together to share the latest research results and technological innovations, and discuss industry development trends and future challenges through keynote speeches, technical reports, poster presentations and special seminars. In addition, the conference also has an exhibition area to showcase the latest optical components, instruments and system solutions, providing participants with valuable opportunities to understand market trends and expand cooperation networks. Optical Engineering + Applications 2025 provides a high-level academic exchange platform for professionals in the field of optics and photonics, which helps to promote the innovation and application of related technologies.