Home PageProductsPrice ListLinks & PDFs 
xr100cr x-ray detector

XR-100CR Selection Guide

Detector System
Area/Thickness
Be Window thickness
Typical Energy Resolution eV FWHM @ 5.9 keV
with 25.6 µs Peaking Time (PX4)*
Peak to Background Ratio*
The following detectors contain either a Silver (Ag) or Multilayer Internal Collimator
XR-100CR
5mm2/500µm or 680 µm
0.5 or 1.0 mil Be
145 - 170 eV
P/B Ratio: 1100/1 for 500 µm thick and 1500/1 for 680 µm thick.
XR-100CR
6mm2/500µm
0.5 or 1.0 mil Be
145 - 170 eV
P/B Ratio: 6200/1
XR-100SDD
7mm2/500µm
0.5 or 1.0 mil Be
135 - 155 eV
P/B Ratio: 6500/1
XR-100CR
13mm2/500µm
1.0 mil Be
180 - 210 eV
P/B Ratio: 4100/1
XR-100CR
20mm2/680µm
1.0 mil Be
200 - 240 eV
P/B Ratio: 1100/1
XR-100CR
25mm2/500µm
1.0 mil Be
190 - 230 eV
P/B Ratio: 2000/1
The following detectors are partially depleted and contain no internal collimator.
XR-100CR
7mm2/300µm
0.5 or 1.0 mil Be
165 - 185 eV
P/B Ratio: 250/1 (5000/1 with external collimator)
XR-100CR
13mm2/300µm
0.5 or 1.0 mil Be
200 - 220 eV
P/B Ratio: 550/1 (4000/1 with external collimator)

*Peaking time is approximately 2.4 x shaping time.
*The Peak to Background (P/B) Ratio is the ratio of counts from 5.9 keV to 2 keV.

resolution range
Amptek Detector Resolution Ranges. The user should not only consider resolution in selecting a detector, but also area, thickness, and peak to background.

Selection chart in PDF format (74 k)


XR100CR | Home Page | Products | Price list | Company Profile | Press Release

Revised April, 2008