CPM C1900 Series
3/4” CPM Channel Photomultipliers
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High Sensitivity Optical Detector
Extremely High Gain
Ultra Low Noise
3/4 Inch, Head-On Type
Technical Specifications
Dimensions (mm)
CPM C1900 Series
3/4” CPM Channel Photomultipliers
CPM C1900 Performance Specifications
Spectral response
10 0
Quantumefficiency (%)
C 19 4 3C 19 4 4
10
C 19 8 3
1
C 19 73
C 19 72
C 19 6 2
C 13 2 2
C 19 2 1
C 19 52
C 19 8 2
C 19 4 2
400
50 0
600
70 0
800
900
0.
1
10 0
C 19 11
200
300
Wavelength (nm )
Current Am plification
1, +0 9
E
1, +0 8
E
1,E-05
1,E-06
Dark Current
Current Amplification
Dark current (A)
1, +0 7
E
1, +0 6
E
1, +0 5
E
1, +0 4
E
1, +0 3
E
1, +0 2
E
10 0 0
1,E-07
1,E-08
1,E-09
1,E-10
1,E-11
1,E-12
C 1972
C 1962
C 1952
C 1982
C 1942
C 1922
C 1911
150 0
2000
2 50 0
3000
1000
1500
2000
2500
3000
Bias Voltage (V)
Bias voltage (V)
Equivalent Noise Input
1E-14
C 1972
C 1962
C 1952
C 1942
C 1911C 1922
1E-17
C 1982
Counts
500
2000
Typical Photo Electron Spectrum
1E-15
ENI (W)
1500
CPM
1E-16
1000
1E-18
1
00
300
500
W avel
ength (nm )
700
900
0
0
50
100
150
Channel
200
250
300
CAUTION: High Voltage Warning!
This product is operated at high voltage. Extreme care must be taken to ensure operator safety and to avoid
damage to other instruments. Avoid direct contact with the photomultiplier when high voltage is applied. Avoid
placing conductive material close to the cathode.
All given values are nominal/typical @ 20 °C ambient temperature; specifications subject to change without
notice.
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