(Postponed) Photonics. World of lasers and optics
30 March - 2 April 2021. 15th international specialized exhibition. Moscow (Russia) website| # | Organization name | Exhibits |
| 1 | B.I. Stepanov Institute of Physics | 53 |
| # | Organization name | Exhibits |
| 1 | B.I. Stepanov Institute of Physics | 53 |