A mirror and two gratings
are permanently installed in the LWS grating wheel. The key parameters
for these elements are tabulated below.
| Parameter |
Mirror |
LRES |
HRES |
| Grooves |
n/a |
8 g/mm |
50 g/mm |
| Dispersion |
n/a |
0.037 µm/px |
0.0024 µm/px1 |
| Resolution |
n/a |
100 |
1400 |
| Blaze wavelength |
n/a |
10.0 µm |
19.5 µm |
| Useful operating range |
3-25 µm |
8-13 µm |
8-28 µm |
Notes:
-
At 10 µm in second order (0.0048 µm/px
at 20µm)
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Last modified: Tue Aug 17 16:03:55 HST 1999
