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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
| 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), A/W |
Time constant
?
τ, ns |
Package | Window | Datasheet | Compare |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |
PC-2TE-5-1x1-TO8/TO66-wAl2O3-70 | 2TE | no | 4.5 | 5.5 | 2.0×10\(^{10}\) | 5.0 | 20000 | TO8, TO66 | wAl\(_{2}\)O\(_{3}\) |
|
|
|
PCI-2TE-5-1x1-TO8/TO66-wAl2O3-36 | 2TE | yes | 4.6 | 5.5 | 5.0×10\(^{10}\) | 75 | 20000 | TO8, TO66 | wAl\(_{2}\)O\(_{3}\) |
|
|
 |
PC-4TE-9-1x1-TO8/TO66-wZnSeAR-70 | 4TE | no | 9.0 | 10.3 | 1.9×10\(^{9}\) | 0.6 | 80 | TO8, TO66 | wZnSeAR |
|
|
|
PCI-4TE-9-1x1-TO8/TO66-wZnSeAR-36 | 4TE | yes | 9.0 | 10.4 | 1.25×10\(^{10}\) | 4.0 | 80 | TO8, TO66 | wZnSeAR |
|
|
|
PC-4TE-10.6-1x1-TO8/TO66-wZnSeAR-70 | 4TE | no | 8.5 | 13.0 | 6.5×10\(^{8}\) | 0.1 | 30 | TO8, TO66 | wZnSeAR |
|
|
|
PCI-2TE-10.6-1x1-TO8/TO66-wZnSeAR-36 | 2TE | yes | 8.2 | 12.8 | 2.2×10\(^{9}\) | 0.6 | 10 | TO8, TO66 | wZnSeAR |
|
|
|
PCI-4TE-10.6-1x1-TO8/TO66-wZnSeAR-36 | 4TE | yes | 9.5 | 12.5 | 4.1×10\(^{9}\) | 5.0 | 30 | TO8, TO66 | wZnSeAR |
|
|
 |
PCI-3TE-12-1x1-TO8-wZnSeAR-36 | 3TE | yes | 10.0 | 14.0 | 1.6×10\(^{9}\) | 1.0 | 5 | TO8 | wZnSeAR |
|
|
 |
PCI-3TE-12-1x1-TO66-wZnSeAR-36 | 3TE | yes | 10.0 | 14.0 | 1.6×10\(^{9}\) | 1.0 | 5 | TO66 | wZnSeAR |
|
|
|
PCI-4TE-13-1x1-TO8/TO66-wZnSeAR-36 | 4TE | yes | 10.4 | 14.0 | 2.4×10\(^{9}\) | 0.5 | 6 | TO8, TO66 | wZnSeAR |
|
|
|
PCI-4TE-14-1x1-TO8/TO66-wZnSeAR-36 | 4TE | yes | 11.2 | 15.0 | 1.9×10\(^{9}\) | 0.4 | 5 | TO8, TO66 | 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(λpeak), 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
5.0
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
5.0×10\(^{10}\)
Responsivity
75
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
0.1
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
5.0
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
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
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
1.9×10\(^{9}\)
Responsivity
0.4
Time constant
5
Package
TO8, TO66
Window
wZnSeAR
Filter results
