Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11899229 | Method and apparatus for preparing femtosecond optical filament interference direct writing volume grating/chirped volume grating | Heping Zeng, Junyi Nan, Mengyun Hu | 2024-02-13 |