Quantity   Component name
1 × Quartz optical window, 2mm thick, 30x30 mm 40 euros, faces 60/40 < 5 arc min, chamfers 0.10 – 0.30mm, edges Polished 60/40, top bottom polished 60/40,
1 × Beaglebone Green 45 euros, kiwi electronics
1 × Heavy Duty Heatsink / Laser Diode Housing for 5.6 mm with Fan 11.93 euro, odic force
1 × BDR-S06J 405nm, 500-600mW Blue-violet Cut-pin Laser Diode 27 euro. odic force
1 × 25 mm focal length, cylinder lens, 12.5 mm x 25 mm 56.50 euro, edmund optics, faces 60/40, MgF2 coated
1 × triangular prism 8 mm x 8 mm x7 mm 50 euro (https://www.edmundoptics.com/f/N-BK7-Right-Angle-Prisms/12426/)
1 × 75 mm focal length, cylinder lens, 12.5 mm x 25 mm 56.50 euro, edmund optics, faces 60/40, MgF2 coated
1 × 4.0 mm focal length, collimating glass Lens, coated 2 euro
1 × Firestarter cape 50 euro, made by hand
1 × Ricoh Aficio AF-1027/270 polygon mirror motor 20 euros, ali express
1 × BPW34-B (photodiode) 4.97 euro, farnell