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How to Choose the Right
Photon Detector Photon Detector Selection Guide
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Detector Type |
Geometry |
Window Thickness (µm) |
Useful Energy Range |
Material |
Standard* Sizes |
Standard* Energy
Resolutions |
Standard* Peak/ Compton |
Standard Peak Shapes |
Warranted Temp. Cyclable |
| FW.1M/ FWHM |
FW.02M/ FWHM |
HPGe Coax
(GEM Series) |
Closed-End Coaxial |
600 |
40 keV–10 MeV |
P-Type HPGe |
10%–150% Efficiency |
1.75–2.40 keV
@1.33 MeV |
37:1–90:1 |
1.90–2.00 |
2.65–3.10 |
Yes |
| HPGe Coax (GEM PROFILE Series) |
Closed-End
Coaxial |
600 |
40 keV–10 MeV |
P-Type HPGe |
60–90 mm
30–100 mm |
675–1300 eV
@122 keV1.85–2.3 keV
@1.33 keV |
40:1–90:1 |
1.90–2.00 |
2.65–3.10 |
Yes |
GAMMA-X
(GMX Series) |
Thin Window Coaxial |
0.3 Ion
Implanted |
3 keV–10 MeV |
N-Type HPGe |
10%–100% Efficiency |
1.80–2.65 keV @1.33 MeV |
38:1–64:1 |
1.90–2.30 |
2.65–3.30 |
Yes |
HPGe Well
(GWL Series) |
Well |
0.3 Ion Implanted |
10 keV–10 MeV |
P-Type HPGe |
Up to 400 cc
Active Volume |
2.10–2.30 keV
@1.33 MeV;
1.20–1.40 keV
@122 keV |
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Yes |
HPGe LEPS
(GLP Series) |
Planar |
0.3 Ion
Implanted |
3 keV–300 keV |
P-Type HPGe |
6–36 mm Diameter |
165–385 eV at 5.9 keV; 480–595 eV at 122 keV |
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|
Yes |
| LO-AX |
Short Thin-
Window Coaxial |
0.3 Ion
Implanted |
3 keV–1 MeV |
N-Type HPGe |
36–70 mm Diameter |
300–495 eV at 5.9 keV; 585–720 eV at 122 keV |
|
|
|
Yes |
Si(Li) LEPS
(SLP Series) |
Planar |
0.1 |
1 keV–30 keV |
Lithium-Drifted Silicon |
4–16 mm Diameter |
160–250 eV at 5.9 keV |
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|
|
Yes |
| IGLET |
Special |
0.1 |
3 keV–
>60 keV |
P-Type HPGe |
6–16 mm Diameter |
135–160 eV at 5.9 keV |
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|
|
Yes |
| IGLET-X |
Special |
<0.1 |
<1 keV–
>60 keV |
P-Type HPGe |
6–16 mm Diameter |
135–160 eV at 5.9 keV |
|
|
|
Yes |
*Detectors of different size, resolution, peak/Compton ratio, and
peak shape are available on special order. |
