Waist is 526mm from the second lens, L3.
(mm) | Current Layout |
L3 | 0 |
BS2 | 120 |
M9 | 130 |
WFS1 | 123 |
L3 to WFS1 total | 373 |
L3 | 0 |
BS2 | 120 |
BS3 | 302 |
M10 | 142 |
WFS2 | 115 |
L3 to WFS2 total | 679 |
diff | 306 |
Rayleigh length | 153 |
waist from L3 | 526 |
IMC WFS.
Also just to clarify, these are measurements I took from the IOT2L table this morning.