User Manual
24
9. Gateway™ ATR Technical Specifications
ZnSe
Germanium
Silicon
ATR Crystal
Active Area
ZnSe 45°
70mm x 10mm.
Ge 45°
70mm x 10mm.
Silicon 45°
70mm x 10mm
Accessory
Transmission
Range cm
-1
7,800 - 550
(AR coated)
5,500 - 600
(AR coated)
8,333 - 33
(non-
continuous)
Refractive Index
at 1000cm
-1
2.43
4.0
3.42
Depth of
Penetration
2.0
μm
(For Sample of
Refractive index
1.5 @ 1000cm
-1
)
0.7
μm
(For Sample of
Refractive index
1.5 @ 1000cm
-1
)
0.9
μm
(For Sample of
Refractive index
1.5 @ 1000cm
-1
)
Typical Light
Throughput
When Aligned
20% to 30%
Transmission
20% to 30%
Transmission
20% to 30%
Transmission
ATR Crystal
Plate Assembly
ZnSe sealed with
Isolast gasket in
Trough assembly.
Glued with epoxy
resin in Flat
assembly
Ge sealed with
Isolast gasket
in Trough
assembly. Glued
with epoxy resin
in Flat assembly
Si sealed with
Isolast gasket
in Trough
assembly. Glued
with epoxy resin
in Flat assembly
Gateway ATR
Dimensions
W x D X H (mm)
160 x 130 x 130
160 x 130 x 130
160 x 130 x 180
