Detector Wafer Properties
|
Hexagonal ("Hex") |
Semi-hexagonal ("Semihex") |
Pixels in 148 GHz Design |
127 |
47 |
Pixels in Dichroic Design |
61 |
24 |
Array Size |
76.2 ± ... mm |
... ± ... mm |
Detector Array Properties
|
PA1 |
PA2 |
PA3 |
Array Shape |
3 Hex + 3 Semihex |
3 Hex + 3 Semihex |
3 Hex + 3 Semihex |
Number of Bolometers |
1024 |
1024 |
1020 |
Operational Frequency (GHz) |
148 |
148 |
97 & 148 |
Detector Pixel Properties
|
97 GHz |
148 GHz |
Pixel size |
... mm |
... mm |
Pixel spacing |
5 ± ... mm |
5 ± .... mm |
Array configuration |
... |
... |
Optical Properties
|
97 GHz |
148 GHz |
Effective focal length |
... ± ... m |
... ± m |
Primary illumination |
... ± ... m |
... ± ... m |
Focal ratio |
... ± ... |
... ± ... |
Detector spacing |
... ± ...″ |
± ...″ |
PROPERTIES OF THE ACTPol FILTERS
97 GHz |
148 GHz |
|
Comp. Bandcenter |
... |
... |
Max. Transmission (%) |
76 |
66 |
Bandcenter (GHz) |
... ± ... |
146 ± 3 |
Bandwidth (GHz) |
... |
49 |
Noise Bandwidth |
... |
... |
Band FWHM |
... |
... |
Effective Bandcenters: Compact Sources
PA1 |
PA2 |
PA3 (lower) |
PA3 (upper) |
|
Synchrotron |
143.9 ± 2.4 |
144.2 ± 2.4 |
91.0 ± 1.7 |
143.1 ± 2.4 |
Free-free |
144.7 ± 2.4 |
145.0 ± 2.4 |
91.8 ± 1.7 |
143.7 ± 2.4 |
Rayleigh-Jeans |
147.7 ± 2.4 |
148.0 ± 2.4 |
94.6 ± 1.7 |
145.6 ± 2.4 |
Dusty Source |
150.0 ± 2.4 |
150.3 ± 2.4 |
96.7 ± 1.7 |
147.2 ± 2.4 |
Effective Bandcenters: Diffuse Sources
PA1 |
PA2 |
PA3 (lower) |
PA3 (upper) |
|
Synchrotron |
145.3 ± 2.4 |
145.6 ± 2.4 |
92.4 ± 1.7 |
144.1 ± 2.4 |
Free-free |
146.1 ± 2.4 |
146.4 ± 2.4 |
93.2 ± 1.7 |
144.6 ± 2.4 |
Rayleigh-Jeans |
149.1 ± 2.4 |
149.4 ± 2.4 |
95.9 ± 1.7 |
146.6 ± 2.4 |
Dusty Source |
151.4 ± 2.4 |
151.7 ± 2.4 |
97.9 ± 1.7 |
148.1 ± 2.4 |
CMB |
148.9 ± 2.4 |
149.1 ± 2.4 |
97.1 ± 1.7 |
146.6 ± 2.4 |
SZ Effect |
145.0 ± 2.4 |
145.3 ± 2.4 |
94.1 ± 1.7 |
143.7 ± 2.4 |
Conversion factors
|
PA1 |
PA2 |
PA3 (lower) |
PA3 (upper) |
δTCMB ⁄ δTRJ |
1.72 ± 0.03 |
1.72 ± 0.03 |
1.27 ± 0.02 |
1.69 ± 0.03 |
δW ⁄ δTRJ (pW ⁄K) |
1.41 ± 0.04 |
1.41 ± 0.04 |
1.05 ± 0.04 |
1.13 ± 0.04 |
ΓRJ (μW ⁄Jy) |
7640 ± 300 |
8160 ± 290 |
5740 ± 300 |
6160 ± 300 |
ΓCMB (μW ⁄Jy) |
13160 ± 510 |
14070 ± 490 |
9720 ± 520 |
7820 ± 380 |
DETECTOR PARAMETERS
Array |
Wafer |
Type |
Tc (mK) |
Psat (pW) |
G (pW/K) |
etadet (%) |
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PA1 |
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PA2 |
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PA3 |
|
|
|
|
|
|
SUMMARY OF BEAM PARAMETERS
PA1 |
PA2 |
PA3 (lower) |
PA3 (upper) |
|
Solid Angle (nsr) |
192 ± 4 |
179 ± 3 |
264 ± 11 |
560 ± 19 |
Major FWHM (′) |
1.37 |
1.33 |
1.58 |
2.13 |
Minor FWHM (′) |
1.32 |
1.31 |
1.33 |
2.00 |
Axis Angle (°) |
-49 |
56 |
-3 |
-2 |