HgCdTe (MCT) Photovoltaic DetectorPVI-5
2.4 – 5.3 µm, ambient temperature, optically immersed
PVI-5 is uncooled IR photovoltaic detector based on sophisticated HgCdTe heterostructure for the best performance and stability, optically immersed in order to improve parameters of the device. The detector is optimized for the maximum performance at λopt = 5.0 μm. Cut‑on wavelength can be optimized upon request. Reverse bias Vb may significantly increase response speed and dynamic range. It also results in improved performance at high frequencies, but 1/f noise that appears in biased devices may reduce performance at low frequencies.
Features
High performance in the 2.4 - 5.3 µm spectral range
Ambient temperature operation
Hyperhemiimmersion microlens technology applied
No bias required
No 1/f noise
Specification (Ta = 20°C, Vb = 0 mV)
Parameter |
PVI-5 |
|
Active element material
|
epitaxial HgCdTe heterostructure |
|
Optimum wavelength λopt, µm
|
5.0 |
|
Detectivity D*(λpeak), cm⋅Hz1/2/W |
≥1.5×1010
|
|
Detectivity D*(λopt), cm⋅Hz1/2/W
|
≥9.0×109
|
|
Current responsivity Ri(λopt), A/W
|
≥1.0
|
|
Time constant τ, ns
|
≤120 |
|
Resistance-optical area product R⋅AO, Ω⋅cm2
|
≥1 |
|
Optical area AO, mm×mm
|
0.5×0.5, 1×1 |
|
Package
|
TO39, BNC | |
Acceptance angle, Φ
|
~36° | |
Window
|
none |
Spectral response (Ta = 20°C, Vb = 0 mV)
Mechanical layout, mm
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Application notes
Temperature sensor characteristics
Dedicated preamplifier
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