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HgCdTe (MCT) Photoconductive DetectorsPC-9-AF1×1-TO39-NW-90
Ambient temperature, with anti-fringing technology
PC-9-AF1×1-TO39-NW-90 is uncooled IR photoconductive detector based on sophisticated HgCdTe heterostructure for the best performance and stability.
In order to make this detector immune to unwanted optical fringing effects, VIGO developed anti-fringing technology (internal modification of substrate’s surface) and successfully applied it. This results in the fringing 10 – 40 times smaller compared to the standard IR detector.
Features
Anti-fringing technology applied
Significant fringing reduction for 2.2 – 8.2 µm spectral range
Large active area
Excellent linearity
Applications
CO2 laser measurements
Laser power monitoring and control
Laser beam profiling and positioning
Laser calibration
Specification
(Tamb = 20°C)
| Parameter | Value | |
|
Active element material
|
epitaxial HgCdTe heterostructure |
|
|
Cut-on wavelength λcut-on (10%) µm
|
2.2±0.1 | |
|
Peak wavelength λpeak, µm
|
8.2±0.1 | |
|
Cut-off wavelength λcut-off (10%) µm
|
10.6±0.2 | |
| Detectivity D* (λpeak 20 kHz), cm⋅Hz1/2/W |
~1.4×107
|
|
|
Current responsivity Ri (λpeak, 20 kHz), A/W
|
~0.0007
|
|
|
Time constant τ, ns
|
~2 |
|
|
Resistance R, Ω
|
~40 |
|
|
Bias voltage Vb, V
|
~0.4 | |
|
1/f noise corner frequency fc, Hz
|
~20k | |
|
Active area A, mm×mm
|
AF1×1 |
|
|
Package
|
TO39 | |
|
Acceptance angle, Φ
|
~90° | |
|
Window
|
none |
|
Spectral response
(Tamb = 20°C)
Exemplary spectral detectivity
Mechanical layout, mm
TO39 package
Access to file
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Application notes
Temperature sensor characteristics
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