198
IFS 125M User Manual Bruker Optik GmbH
Specifications A
Performance Spectral range
4,800 - 620 cm
-1
with MIR spectral range package
45,000 - 450 cm
-1
with appropriate spectral compo-
nents
Resolution
0.008 cm
-1
option: 0.0035 cm
-1
Resolving power
better than 10
6
Wavenumber accuracy
better than 1 x 10
-6
times wavenumber (absolute),
1 x 10
-7
(relative)
Photometric accuracy 0.1% T
Optics Design Purgeable enclosure for interferometer, scanner
and detectors. The scanner compartment is
detachable.
Sources Standard:
input for collimated beam from external source
Option:
globar or tungsten lamp for calibration purpose
Interferometer • Modified Michelson with 30° angle of incidence,
permanently aligned
• Nominal beam diameter: 63.5mm
Beamsplitter • KBr substrate with multi-layer coating
•CaF
2
• Quartz with different coatings
Scanner • Mechanical hybrid bearing with both high-resolu-
tion and rocking-low resolution scan mode
• 6 mirror velocities ranging from 0.16 to 2.2 cm/
sec mechanical displacement
Field stop Jacquinot stop with 10 positions ranging from 0.3 to
3.5
mm
Aperture ratio f/3.5
Sample compartment For calibration purposes: a 10 cm gas cell can be
mounted
Parameters Specifications
Table A.1: IFS 125M specifications
To Next Page
Loading...
