Committee
![](https://optica-org-web-afd-f9abf4byhbacgfgk.z02.azurefd.net/optica/media/optica/events/2023/ofs/theme_ofs23.png?ext=.png)
20 - 24 November, 2023
ACT CITY
Naka-ku, Hamamatsu-shi, Japan