I made a summary video of my laser prism scanner work.
This should save you time if you are interested in the topic.

0:00 - Intro 
1:35 - Process 
2:58 - Applications 
5:00 - Optics: prism more accurate than mirrors 
5:59 - Optics: displacements caused by prisms 
7:44 - Optics: rotating polygon mirrors vs rotating prisms 
10:45 - Optics: position photodiode 
11:59 - Optics: advanced prism designs
13:16 - Aberrations: how measurements are made
14:23 - Aberrations: cross scan error versus jitter
16:08 - Aberrations: mounting
16:56 - Aberrations: solutions to mounting
18:44 - Aberrations: prism imperfections
20:09 - Aberrations: solutions to scan errors
21:18 - Aberrations: vibrations
22:34 - Aberrations: prism mounting using Ricoh motor
24:04 - Aberrations: new mounting solution
26:04 - Aberrations: new mounting solution (Freecad view)
26:57 - Aberrations: measurement cross scan errors
29:07 - Validation, result of exposures
29:59 - Positive feedback
31:20 - Negative feedback
33:48 - Outlook
35:08 - Origins laser prism scanning
37:08 - Challenges with thick laser prism scanners