FRED raytracing

1
FRED raytracing
Multi-pass amplifier thermal and dispersive
effects
2
Asymmetric brewster window arrangement
TiSa
air
air
air
air
BK7 Brewster window
BK7 Brewster window
3
Symmetric brewster window arrangement
TiSa
air
vacuum
vacuum
air
BK7 Brewster window
BK7 Brewster window
4
Asymmetric brewster window arrangement
TiSa
vacuum
vacuum
air
air
BK7 Brewster window
BK7 Brewster window
5
Asymmetric brewster window arrangement
f/3 off axis parabola
2nd telescope
cryo crystal assembly
1st telescope
6
air BK7 air - TiSa air - Bk7 - air
Best geometric focus _at_ position mm
Z-1049.931685398
Y229.9998490572
X1047.859854569
7
Symmetric brewster window arrangement
Best geometric focus _at_ position mm
X1047.860083471
Y229.9985636517
Z-1049.931205455
8
Symmetric brewster window arrangement - thermal
lens in crystal simulation (GRIN)
(?n)/n 210-3
?sfocus 0.4mm
X mm
Y mm
Z mm
229.9985636517
1047.860083471
-1049.931205455
previous position
229.995120642
-1050.084827928
1048.237816752
suggested pos
9
Symmetric brewster window arrangement
Best geometric focus _at_ position mm
X1048.237816752
Y229.995120642
Z-1050.084827928
(?n)/n 210-3
?sfocus 0.4mm