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HgCdTe Photoconductive IR Detectors
Photoconductive detectors based on the photoconductive effect. Infrared radiation generates charge carriers in the semiconductor active region decreasing its resistance. The resistance change is sensed as a current change by applying a constant voltage bias.
The devices are characterized by near linear current-voltage characteristics. The electric field in photoconductors is constant across the device.
HgCdTe Photoconductive IR Detectors - Selected Products
Filter results
Image
Name
Cooling
Optical immersion
Peak wavelength
λpeak, µm
Cut-off wavelength (10%)
λcut-off(10%), µm
Detectivity
D*(λpeak, 20kHz)), cm⋅Hz1/2/W
Current responsivity
Ri(λpeak)
Time constant
τ, ns
Package
Window
Datasheet
Cooling
3TE
Immersion
yes
Peak wavelength
10.0
Cut-off wavelength cut-off
14.0
Detectivity
1.6×10\(^{9}\)
Responsivity
1.0
Time constant
5
Package
TO8
Window
wZnSeAR
HgCdTe Photoconductive IR Detectors
Filter results
Image
Name
Cooling
Optical immersion
Peak wavelength
λpeak, µm
Cut-off wavelength (10%)
λcut-off(10%), µm
Detectivity
D*(λpeak, 20kHz), cm⋅Hz1/2/W
Current responsivity
Ri, A/W
Time constant
τ, ns
Package
Window
Datasheet
Cooling
2TE
Immersion
no
Peak wavelength
4.5
Cut-off wavelength cut-off
5.5
Detectivity
2.0×10\(^{10}\)
Responsivity
4.0
Time constant
20000
Package
TO8, TO66
Window
wAl\(_{2}\)O\(_{3}\)
Cooling
2TE
Immersion
yes
Peak wavelength
4.6
Cut-off wavelength cut-off
5.5
Detectivity
4.0×10\(^{10}\)
Responsivity
90
Time constant
20000
Package
TO8, TO66
Window
wAl\(_{2}\)O\(_{3}\)
Cooling
4TE
Immersion
no
Peak wavelength
9.0
Cut-off wavelength cut-off
10.3
Detectivity
1.9×10\(^{9}\)
Responsivity
0.6
Time constant
80
Package
TO8, TO66
Window
wZnSeAR
Cooling
4TE
Immersion
yes
Peak wavelength
9.0
Cut-off wavelength cut-off
10.4
Detectivity
1.25×10\(^{10}\)
Responsivity
4.0
Time constant
80
Package
TO8, TO66
Window
wZnSeAR
Cooling
4TE
Immersion
no
Peak wavelength
8.5
Cut-off wavelength cut-off
13.0
Detectivity
6.5×10\(^{8}\)
Responsivity
0.06
Time constant
30
Package
TO8, TO66
Window
wZnSeAR
Cooling
2TE
Immersion
yes
Peak wavelength
8.2
Cut-off wavelength cut-off
12.8
Detectivity
2.2×10\(^{9}\)
Responsivity
0.6
Time constant
10
Package
TO8, TO66
Window
wZnSeAR
Cooling
4TE
Immersion
yes
Peak wavelength
9.5
Cut-off wavelength cut-off
12.5
Detectivity
4.1×10\(^{9}\)
Responsivity
0.7
Time constant
30
Package
TO8, TO66
Window
wZnSeAR
Cooling
3TE
Immersion
yes
Peak wavelength
10.0
Cut-off wavelength cut-off
14.0
Detectivity
1.6×10\(^{9}\)
Responsivity
1.0
Time constant
5
Package
TO8, TO66
Window
wZnSeAR
Cooling
4TE
Immersion
yes
Peak wavelength
10.4
Cut-off wavelength cut-off
14.0
Detectivity
2.4×10\(^{9}\)
Responsivity
0.5
Time constant
6
Package
TO8, TO66
Window
wZnSeAR
Cooling
4TE
Immersion
yes
Peak wavelength
11.2
Cut-off wavelength cut-off
15.0
Detectivity
5.0×10\(^{8}\)
Responsivity
0.25
Time constant
5
Package
TO8, TO66
Window
wZnSeAR
Filter results
