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R1464 Datasheet(PDF) 2 Page - Hamamatsu Corporation

Part # R1464
Description  PHOTOMULTIPLIER TUBE
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Manufacturer  HAMAMATSU [Hamamatsu Corporation]
Direct Link  http://www.hamamatsu.com
Logo HAMAMATSU - Hamamatsu Corporation

R1464 Datasheet(HTML) 2 Page - Hamamatsu Corporation

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Figure 1: Typical Spectral Response
TPMHB0536EA
PHOTOMULTIPLIER TUBE R1464
CHARACTERISTICS (at 25
°C)
Parameter
Min.
Unit
Anode Sensitivity (Note 2)
Cathode Sensitivity
Gain (Note 2)
Anode Dark Current (Note 2)
ENI (Equivalent Noise Input) (Note 6)
Time Response
A/lm
A/W
A/W
A/W
µA/lm
mA/W
mA/W
mA/W
%
nA
W
ns
ns
30
80
0.15
20
Max.
Typ.
120
4.9
× 104
5.1
× 104
1.9
× 104
120
49
51
19
19
0.2
1
× 106
4
7
× 10-16
2.5
27
Luminous (Note 3)
Radiant at 350nm
at 420nm
at 633nm
Luminous (Note 4)
Radiant at 350nm
at 420nm
at 633nm
Quantum Efficiency at 290nm
Red/White Ratio (Note 5)
After 30 minute storage in the dark
Anode Pulse Rise Time (Note 2, 7)
Electron Transit Time (Note 2, 8)
NOTES
1: Averaged over any interval of 30 seconds maximum.
2: The Voltage distribution ratio is shown in Table 1 below.
3: The light source is a tungsten filament lamp operated at a distribution tem-
perature of 2856K. The light input is 0.1 micro-lumen.
4:
Under the same conditions as Note 3 except that the light input is 10-2
lumen and 150 volts are applied between cathode and all other electrode
connected together as anode.
5:
Red/White Ratio is quotient of the cathode current measured using a red
filter (Toshiba R-68) interposed between the light source and the tube by
the cathode current measured with the filter removed under the same con-
ditions as Note 4.
6: ENI is an indication of photon limited signal-to-noise ratio. It refers to the
amount of light in watts to produce a signal-to-noise ratio in unity in the
output of a photomultiplier tube. In this catalog the value of peak wave-
length is described. ENI is given by the following formula:
where q = Elementary charge (1.60
× 10-19 coulomb)
ldb = PMT anode dark current (after 30 minute storage) in amperes
G = PMT gain
∆f = Bandwidth of the system in hertz. In this catalog, 1 Hz bandwidth is
used.
S = Anode radiant sensitivity in amperes per watt at the wavelength
of peak response.
7:
The rise time is the time for the output pulse to rise from 10% to 90% of
the peak amplitude when the entire photocathode is illuminated by a delta
function light pulse.
8:
The electron transit time is the interval between the arrival of a delta func-
tion light pulse at the entrance window of the tube and the time the output
pulse reaches the peak amplitude. In measurement the entire photoca-
thode is illuminated.
Supply Voltage: 1000Vdc, K: Cathode, Dy: Dynode, P: Anode
Table 1: VOLTAGE DISTRIBUTION RATIO
Electrodes
Distribution Ratio
K
Dy1
1.5
Dy2
1
Dy3
1
Dy4
1
Dy5
1
Dy6
1
Dy7
1
Dy8
1
Dy9
11
1
Dy10
P
Figure 2: Anode Sensitivity and Gain Characteristics
TPMHB0537EA
ENI =
2q•ldb•G•
∆f
S
100
10
1
0.1
0.01
200
400
600
800
1000
WAVELENGTH (nm)
CATHODE
RADIANT
SENSITIVITY
QUANTUM
EFFICIENCY
104
103
102
101
100
10-1
10-2
107
106
105
104
103
102
101
200
300
700
1000
500
1500
SUPPLY VOLTAGE (V)


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