Fiber laser - video

Fiber laser. By Tamar Bar. 13:53 video:

https://www.youtube.com/watch?v=Ke1aEx4ICq4

Part 2. By Tamar Bar. 24:00 video:

https://www.youtube.com/watch?v=9RklC34dkEY

Part 3. By Tamar Bar. 24:41 video:

https://www.youtube.com/watch?v=-Eq_rFSKRVA

Parts 4-6. By Tamar Bar.

29:38 video:
https://www.youtube.com/watch?v=NVn_g3lXqXE

30:27 video:
https://www.youtube.com/watch?v=nXhOOb4YgeM

9:28 video:
https://www.youtube.com/watch?v=c_OEGYdZO5w