PCAS-2TE-11-0.1×0.1-TO8-wZnSeAR-70 is a Type II superlattice two-stage thermoelectrically cooled IR photoconductor, with excellent parameters. Photoconductive detector should operate in optimum bias voltage and current readout mode. Performance at low frequencies is reduced due to 1/f noise. 3° wedged zinc selenide anti-reflection coated window (wZnSeAR) prevents unwanted interference effects. For detection of CW radiation, using of optical chopper system is recommended. This detector does not contain mercury or cadmium and is compliant with the RoHS Directive.
Parameter |
PCAS-2TE-11-0.1×0.1-TO8-wZnSeAR-70 |
|
|
Active element material
|
epitaxial superlattice heterostructure |
|
|
Cut-on wavelength λcut-on (10%) µm
|
1.6±0.2 | |
|
Peak wavelength λpeak, µm
|
6.0±0.3 | |
|
Cut-off wavelength λcut-off (10%) µm
|
12.0±0.3 | |
Detectivity D*(λpeak, 100 kHz), cm ⋅Hz1/2/W |
~1.9×108
|
|
|
Current responsivity Ri(λpeak), A/W
|
~1.5
|
|
|
Time constant τ, ns
|
~7 |
|
|
Resistance R, Ω
|
~55 | |
|
Bias voltage Vb, V
|
typ. 0.5 | |
|
1/f noise corner frequency fc, Hz
|
typ. 100k | |
|
Active element temperature Tdet, K
|
~230 | |
|
Active area A, mm×mm
|
0.1×0.1 |
|
|
Package
|
TO8 | |
|
Acceptance angle, Φ
|
~70° | |
|
Window
|
wZnSeAR |
|
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