|
Characteristics |
Values |
Notes |
c1.1 |
Lens diameter |
450 mm |
diameter taken from the external edge |
c1.2 |
Active diameter of the lens |
399 mm |
edge of the outer ring of crystals |
c1.3 |
Weight |
8.8 kg |
frame alone |
c1.4 |
Focal length (170 keV) |
2780 mm |
170 keV to be focused; from middle of lens frame to front of
central det. |
c1.5 |
Energy bandpass |
1.0 keV |
30” mosaic width, on axis continuum source |
c1.6 |
Focal spot |
11 mm FWHM |
for an energy of 170 keV |
c1.7 |
Total field of view of the lens |
78 arc sec FWHM |
cont. radiation, det. energy resolution 1.5 keV, mosaic width 30” FWHM |