LT
LT-APO Objective
version
vacuum shroud for use with low temperature objective
PRODUCT KEY FEATURES
3
• standard configuration for use with internal LT-APO low temperature
objective and xyz positioners (+ optional scanner)
• minimal sample drift, broadband high collection efficiency
• compatible with 30 mm & 60 mm cage system
• optional sample holder with 12 optional electrical contacts; temp.
sensor & heater included
• feedthrough ring with blind flanges included, DC/SMA/fiber feedth-
roughs optional
10
1
2
4
4
9
11
6
8
5
7
„ZOOM out“
Cryogenic Apochromatic Objectives
• negligible chromatic focal shift in working range
• uniform spot size and intensity within apochromatic range
1
2
3
4 attoDRY800 LT-APO vacuum shroud for use with low temperature objective
5 cold plate
6 ANPxy311 positioners + ATC100/Si thermal link with integrated Si diode & heater + optional
ANSxy100 scanner
cold shield
top vacuum window 25 mm x 1.5 mm, cold shield top window 12.7 mm x 0.375
4x side vacuum windows 40 mm x 4 mm, 4x cold shield windows 25 mm x 4 mm; window
material fused silica (others on request)
7
8
9
ASH/PCB/12 with 12 optional electrical contacts wired to twisted pairs
LT-APO objective on separate mounting post
ANPx311 for z focus of objective with thermal link for objective
10 30 mm x 30 mm & 60 mm x 60 mm cage system mounting threads
centered around top window; 4x c moval included
11 feedthrough ring with blind flanges included,
DC/SMA/fiber feedthroughs optional