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Silicon Detector

Silicon detectors are a rugged standard detector for applications that have good collected light levels.  Gilden Photonics offer two silicon detectors with 10mm diameter or square active area.

  • DSi-200:  UV enhanced for operation from 200-1100nm
  • DSi-300:  Low cost, general purpose detector for 300-1100nm

 

DSi 200 / 300: Rugged Standard Detector

The DSi-200 is UV sensitive sensitive Si photodetector for operation from 200-1100nm, and the Dsi-300 is a low cost general purpose detector for 300 - 1100nm

Both are enclosed in a housing with BNC signal connector, and include mounting flanges for the direct mounting on the slit assembly of Omni-λ series monochromators.

As the DSI-200 and DSI-300 are both current output modes, before connecting to the signal processors (i.e. oscilloscope or lock-in amplifier) the IV Tranc-impedance Amplifier ZAMP is recommended to be connected as a preamp, which will convert the current signal to voltage signal

If the signal processor indicates that it can input the current signal, you can connect the detectors to the signal processors directly, however in order to improve the detection sensitivity, the IV Tranc-impedance Amplifier is recommended.

When either the DSi200 or the DSi300 is used with the DCS300PA data acquisition system, as the signal amplifier has been integrated into the DCS300PA dual-channel, it does not need to match the preamplifier.

 

DSI 200 / DSI 300 SILICON DETECTOR
  DSI 200 DSI 300 UNIT
Silicon Detector UV enhanced Low dark current  
Effective Detector Area 100 (Φ11.3) 100 (10 x 10) mm²
Spectral Range 200 - 1100 300 - 1100 nm
Peak Wavelength 960 ± 20 800 ± 20 nm
Peak Responsively 0.55 > 0.4 A/W
Response @ 254 nm 0.14 (> 0.09) - A/W
Response Time 5.9 - μs
Operating Temperature -10 -+60 -10 -+ 60 ºC
Storage Temperature -20 -+ 70 -20 -+ 70 ºC
Shunt Resistor 10 (>5) -
Noise Equivalent Power NEP 4.5 x 10¯¹³ - W / √Hz
Dark Current - -1 x 10¯⁸ 0 to 5 x 10¯¹¹ A 25ºC: -1V
Junction Capacitance 4500 < 3000 (at-10V) Pf
Signal Output Current Current  
Output Signal Polarity P P  
Silicon Detector
 

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Contact us

Gilden Photonics Ltd.
Unit 13 Telford Court
9 South Avenue
Clydebank Business Park
Glasgow G81 2NR
UK

tel: +44 (0)141 952 9475
fax: +44 (0)141 952 9400
sales@gildenphotonics.com