K11908-010K_15 Datasheet, PDF (2/4 Pages) Hamamatsu Corporation – Two-color detector

Tow-color detector
K11908-010K
Electrical and optical characteristics (Ta=25 °C)
Parameter
Spectral response
range
Peak sensitivity
wavelength
Photosensitivity
Dark current
Cutoff frequency
Terminal capacitance
Shunt resistance
Detectivity
Symbol
λ
λp
S
ID
fc
Ct
Rsh
D*
Condition
InGaAs (λc=1.7 μm)
InGaAs (λc=2.55 μm)
InGaAs (λc=1.7 μm)
InGaAs (λc=2.55 μm)
InGaAs (λc=1.7 μm), λ=λp
InGaAs (λc=2.55 μm), λ=λp
InGaAs (λc=1.7 μm), VR=1 V
InGaAs (λc=2.55 μm), VR=0.5 V
InGaAs (λc=1.7 μm), -3 dB
VR=0 V, RL=50 Ω
InGaAs (λc=2.55 μm), -3 dB
VR=0 V, RL=50 Ω
InGaAs (λc=1.7 μm), VR=0 V
f=1 MHz
InGaAs (λc=2.55 μm), VR=0 V
f=1 MHz
InGaAs (λc=1.7 μm), VR=10 mV
InGaAs (λc=2.55 μm), VR=10 mV
InGaAs (λc=1.7 μm), λ=λp
InGaAs (λc=2.55 μm), λ=λp
Min.
-
-
-
-
0.85
0.7
-
-
1
2
-
-
1
2.8
1 × 10¹²
2 × 10¹⁰
Typ.
0.9 to 1.7
1.7 to 2.55
1.55
2.1
0.95
1.0
5
3
2
6
1.5
0.5
10
14
5 × 10¹²
7 × 10¹⁰
Max.
-
-
-
-
-
-
40
30
-
-
2.5
1
-
-
-
-
Unit
μm
μm
A/W
nA
μA
MHz
nF
MΩ
kΩ
cmăHz^1/2/W
Spectral response
1.2
(Typ. Ta=25 °C)
1.0
0.8
InGaAs (λc=2.55 µm)
0.6
0.4 InGaAs (λc=1.7 µm)
0.2
0
0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6
Wavelength (µm)
KIRDB0479EA
Sensitivity temperature characteristic
2.0
(Typ. VR=0 V, Ta=15 to 65 °C)
1.5
InGaAs (λc=1.7 µm)
1.0
0.5
0
-0.5
InGaAs (λc=2.55 µm)
-1.0
-1.5
-2.0
0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5 2.6
Wavelength (µm)
KIRDB0495EA
2