參數(shù)資料
型號(hào): P2682-01
廠商: Hamamatsu Photonics
英文描述: PbS photoconductive detector
中文描述: 硫化鉛光電探測(cè)器
文件頁(yè)數(shù): 2/4頁(yè)
文件大?。?/td> 82K
代理商: P2682-01
PbS photoconductive detector
P2532-01, P2682-01
ELEMENT TEMPERATURE
(
C)
R
(Typ.)
10
1
10
2
-20
10
3
-10
0
10
20
30
40
50
60
LIGHT SOURCE: BLACK BODY 500 K
INCIDENT ENERGY: 4.8 μW/cm
2
CHOPPING FREQUENCY: 600 Hz
SUPPLY VOLTAGE: 15 V
R
INCIDENT ENERGY (W/cm
2
)
(Typ. Ta=25
C, FULLY ILLUMINATED)
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
-9
10
-8
10
-7
10
-6
10
-5
10
-4
DEPENDENT ON NEP
ELEMENT TEMPERATURE
(
C)
R
(Typ.)
10
1
10
2
10
3
-10
0
10
20
30
40
50
60
-20
RISE TIME
DARK RESISTANCE
CHOPPING FREQUENCY (Hz)
R
S
(Typ. Ta=25
C)
10
1
10
2
10
3
10
1
10
2
10
3
LIGHT SOURCE: BLACK BODY 500 K
INCIDENT ENERGY: 4.8 μW/cm
2
SUPPLY VOLTAGE: 15 V
tr: 200 μs
S/N
S
N
SUPPLY VOLTAGE
(V)
S
N
10
20
30
40
50
60
(Typ. Ta=25
C)
0
0
0
200
400
600
800
2
4
6
8
1
3
5
7
NOISE
SIGNAL
LIGHT SOURCE: BLACK BODY 500 K
INCIDENT ENERGY: 4.8 μW/cm
2
CHOPPING FREQUENCY: 600 Hz
FREQUENCY BANDWIDTH: 60 Hz
I
Spectral response
KIRDB0279EA
I
S/N vs. supply voltage
I
S/N vs. chopping frequency
I
Photo sensitivity temperature characteristic
I
Dark resistance, rise time temperature characteristics
I
Photo sensitivity linearity
KIRDB0046EA
KIRDB0048EB
KIRDB0047EB
KIRDB0049EB
KIRDB0050EA
Increasing the chopping frequency re-
duces the 1/f noise and results in an S/N
improvement. The S/N can also be im-
proved by narrowing the noise bandwidth
using a lock-in amplifier.
By making the incident light spot smaller
than the active area, the upper limit of
the linearity becomes lower.
If voltage of higher than 60 V is applied,
the noise increases exponentially, de-
grading the S/N. The device should be
operated at 60 V or less.
Cooling the device enhances its sensi-
tivity, but the sensitivity also depends
on the load resistance in the circuit.
2
WAVELENGTH
(μm)
(Typ.)
1
4
2
3
5
0
20
40
60
80
100
R
-20
C
-10
C
25
C
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