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参数资料
| 型号： | R943-02 |
| 厂商： | Hamamatsu Photonics |
| 英文描述： | PHOTOMULTIPLIER TUBE |
| 中文描述： | 光电倍增管 |
| 文件页数： | 3/4页 |
| 文件大小： | 167K |
| 代理商： | R943-02 |
Figure 2: Typical Single Photoelectron
Pulse Height Distribution
Figure 3: Typical Gain
Figure 4: Typical Time Response
Figure 6: Typical Dark Counts vs. Temperature
Figure 5: Typical Temperature Coefficient
of Quantum Efficiency
TPMHB0282EA
TPMHB0283EA
TPMHB0045EA
TPMHB0284EA
TPMHB0285EA
COOLING
As Figure 6 shows, the dark counts of the R943-02 decreases
by cooling the tube. Therefore, when performing photon count-
ing, it is recommended that the tube be cooled down to about
-20
°
C. The cooler C4877 which features temperature control
from -30
°
C to 0
°
C is available from HAMAMATSU.
0
1024
512
CHANNEL NUMBER (CH)
0
0.2
0.4
0.6
0.8
1.0
C
F
×
4
F
×
3
SIGNAL+DARK
DARK
WAVELENGTH OF INCIDENT LIGHT
LOWER LEVEL DISCRIMINATION
SIGNAL+DARK COUNTS
DARK COUNTS
TEMPERATURE
: 800 nm
: 87 CH
: 5329 s
-1
: 20 s
-1
: -20
°
C
500
1000
1500
2000
2500
10
2
CATHODE TO ANODE VOLTAGE (V)
G
10
3
10
4
10
5
10
6
10
7
10
8
500
1000
1500
2000
3000
10
1
T
SUPPLY VOLTAGE (V)
TRANSIT TIME
10
0
10
2
RISE TIME
WAVELENGTH (nm)
300
400
500
600
700
800
900
1000
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
T
°
C
TEMPERATURE RANGE: 10 to 40 (
°
C)
-40
-30
-20
-10
0
10
20
10
0
10
1
10
2
10
3
10
4
10
5
TEMPERATURE (
°
C)
D
-
)
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