1.2 PVI-5-1×1-TO39-NW-361.2.1 2.4 – 5.5 µ m HgCdTe ambient temperature, optically immersed photovoltaic detectorPVI-5-1×1-TO39-NW-36 is an uncooled IR photovoltaic detector based on sophisticated HgCdTe heterostructure for the best performance and stability. The device is optimized for maximum performance at 5 µ m. The detector element is monolithically integrated with hyperhemispherical GaAs microlens to improve the performance of the device. Reverse bias 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.Spectral response (Ta = 20°C, Vb = 0 mV)1E+111E+101E+092 2,5 3 Wav3e,5length, m 4,5 5 5,5Exemplary spectral detectivity, the spectral response of delivered devices may differ.Specification (Ta = 20°C, Vb = 0 mV)ParameterDetector typePVI-5-1x1-TO39-NW-36Active element materialepitaxial HgCdTe heterostructureCut-on wavelength λcut-on (10%), µ m2.4±0.5Peak wavelength λpeak, µ m4.2±0.5Optimum wavelength λopt, µ m5.0Cut-off wavelength λcut-off (10%), µ m5.5±0.3Detectivity D*(λpeak), cmHz1/2/W≥3.0×1010Detectivity D*(λopt), cmHz1/2/W≥1.0×1010Current responsivity Ri(λpeak), A/W≥2.0Current responsivity Ri(λopt), A/W≥1.0Time constant τ, ns≤150Resistance R, Ω≥100Optical area AO, mm×mm1×1PackageTO39Acceptance angle Φ~36°WindownoneFeatures&bull Wide dynamic range&bull Convenient to use&bull Very small size&bull Cost-effective solution&bull Quantity discounted price&bull Fast deliveryApplications&bull Contactless temperature measurements (railway transport, industrial and laboratory processesmonitoring)&bull Flame and explosion detection&bull Threat warning systems&bull Gas detection, monitoring, and analysis (CO, CO2, NOx)&bull Breath analysis&bull Solids analysis&bull Leakage control in gas pipelines&bull Combustion process controlMechanical layout, mmParameterValueImmersion microlens shapehyperhemisphereOptical area AO, mm×mm1×1R, mm0.8A, mm2.4±0.2Φ – acceptance angle, R – hyperhemisphere microlens radius, A – distance from the bottom of hyperhemisphere microlens to the focal planePrecautions for use and storageBottom viewFunctionPin numberDetector1, 2Reverse bias (optional)1(–), 2(+)Chassis ground3&bull Standard ohmmeter may overbias and damage the detector. The bias of 10 mV can be used for resistance measurements.&bull Operation in 10% to 80% humidity and -20°C to 30°C ambient temperature.&bull Beam power limitations for optically immersed detector:o irradiance with CW or single pulse longer than 1 μs irradiance on the apparent optical active area must not exceed 2.5 W/cm2,o irradiance of the pulse shorter than 1 μs must not exceed 10 kW/cm² .&bull Storage in a dark place with 10% to 90% humidity and -20°C to 50°C ambient temperature.
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