2. DSi Silicon Photodetector
DSi Series Silicon Photodetector
Silicon detector (Si) ------ Spectral range: 200-1100nm.
DSi200 built-in UV sensitive Si detector.
DSi300 built-in low dark current Si detector.
I-V amplifier ZAMP is recommended for the current to voltage conversion.
Specification
DSi200 (UV sensitive)
DSi300 Silicon Detector
Import UV Enhanced
Low dark current
Effective receiving Area (mm2)
100(F11.28)
100(10×10)
Spectral range (nm)
200-1100
300-1100
Peak wavelength (nm)
-------
800±20
Peak Responsivity (A/W)
0.52
>0.4
Response @254nm (A/W)
0.14(>0.09)
-------
Response time (µs)
5.9
-------
Operating Temperature (?)
-10~+60
-------
Storage Temperature(?)
-20~+70
-------
Shunt resistor RSH(MO)
10(>5)
-------
Noise equivalent power NEP (W/vHz)
4.5×10-13
-------
Dark current (25?;-1V)
-------
1X10-8—5×10-11 A
Junction capacitance (pf)
4500
<3000(-10V)
Signal output
Current
Current
Output signal polarity
P
P
? DSi200/DSi300 are PV detectors come with current output. It is recommended to use Trans-Impedance Amplifier as pre amplifier before connecting to the signal processors such as oscilloscope or lock-in amplifier.
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