Experiment
Title
FIR optical constants of NH3 crystalline at 75 K
Type(s)
laboratory
Variable(s)
no
Number of spectra
1
Instrument
Nicolet 800
Sample holder
PE-HD window 2mm thick cooled by He cryostat in UHV chamber
Standard medium
vacuum
Spectral range type(s)
FIR
Valid spectral range(s)
Min - Max ($cm^{-1}$) Sampling ($cm^{-1}$) Resolution ($cm^{-1}$) Position accuracy ($cm^{-1}$) Absorption edge
#1 200.0 - 670.0 1.92940889106 4.0 0.2
Incidence angle(s)
0.0°
Emergence angle(s)
180.0°
Azimuth angle(s)
0.0°
Resolution illumination
15.0°
Resolution observation
20.0°
Illumination
Type of polarization
no
Observation
Type of polarization
no
Comments
possibly partly polarized beam by beamsplitter
Observation mode
single spot
Image size
8.0 x 8.0 $mm$
Spatial resolution
8.0 ${\pm}$ 1.0 $mm$
Date begin
1995-12-14