Fluorolog-3 v. 2.2 (11 Jul 2002)
Determining the Plateau Voltage
12-5
Dark Counts versus Voltage
0
100
200
300
400
500
600
700
800
600
700
800
900
1000
1100
1200
Voltage (V)
Dark Counts (counts/s)
0.5
1
1.5
2
2.5
Signal (10
5
counts/s)
High Voltage
(Volts)
Signal
(cps)
Dark Counts
(cps)
650
8.7 × 10
4
150
700
1.28 × 10
5
260
750
1.52 × 10
5
350
800
1.68 × 10
5
480
850
1.74 × 10
5
420
900
1.80 × 10
5
450
950
1.81 × 10
5
490
1000
1.96 × 10
5
530
1050
1.96 × 10
5
640
1100
2.05 × 10
5
560
1150
2.12 × 10
5
640
1200
2.25 × 10
5
710
Determine the plateau voltage
1
From the data obtained, construct two graphs:
Signal versus Voltage, and Dark Counts versus
Voltage.
Graphs of the above data are shown here, stacked into one combined graph.
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