4. DPbS series PbS Detectors
DPbS series PbS Detectors
Room temperature IR detectors, spectral range from 0.8 to 3.2µm.
DPbS2900 and DPbS3200 have the same construction (built-in preamplifier).
DPbS2900 using the import PbS Detectors( Spectral response curve see Fig.1)
DPbS3200 using the general PbS Detectors( Spectral response curve see Fig.2)
Specifications
DPbs2900
DPbs3200
Price(USD)
620
450
Active size (mm)
1×5
6×6
Spectral range( µm)
0.8~2.9
0.8~3.2
Peak wavelength( µm)
=2.2
=2.1
Su V/W
=3×104
=300
Rd MO
0.2-2
0.1-0.3
D* cm(Hz)1/2/W
=5×108
=1×108
Time Constant µs
=200
=400
Magnification
×1,×10,×100
Input Offset Voltage (µV)
<±1
Preamplifier input drift (µV)
±1
Frequency response range (Hz)
100—1000(400Hz Recommended)
Signal input
Voltage
Voltage
Output signal polarity
P
P
DPbS2900 and DPbS3200 are the photoconductive detectors, which must be used with lock-in amplifier to get suitable signal to noise ratio.
DPbS2900 and DPbS3200 detectors integrated with preamplifier, the detectors signals output is voltage.
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