| Video Title | Description | View Video |
| David Helie "Optics and Photonics student association of Universite Laval " (part 2 of 2) | David Helie, speaks at the Taras Shevchenko National University as their guest speaker. |
|
| David Helie "Optics and Photonics student association of Universite Laval " (part 1 of 2) | David Helie, speaks at the Taras Shevchenko National University as their guest speaker. |
|