The FMB Oxford APD detector is an ultra-fast detector system using an avalanche photodiode, for X-ray scattering experiments up to 20keV.
It offers the ultimate in speed, resolution, efficiency and noise levels whilst maintaining a robust and easy to use architecture; making it ideal for experiments with a large dynamic range, time resolved measurements and fast photon counting.
The system requires an APD detector head, signal processing electronics and a signal cable. This section details the APD detector head and the two processing modules offered by FMB Oxford.
The FMB Oxford APD Detector Head comes in three standard formats, 5×5 rectangular body, 5×5 cylindrical body and a 10×10 transmissive version all with integrated preamplifier, in the housing.[/vc_column_text]
|5mm x 5mm||5mm x 5mm|
|60mm x 30mm x 16mm body - in-air||60mm x 30mm x 16mm body - DN25KF vacuum compatible head|
|Be window||Be window|
|Maximum count rate||100MHz *|
|Diode area||5mm x 5mm|
|Housing dimensions||26mm x 20.85mm x 55mm (L)|
|Photon efficiency||50% that of NaI up to 10keV *|
|Noise||below 1Hz *|
|Diode gain||200x at 370V bias|
|Preamplifier gain||60dB per stage at 100MHz|
|Rise time 10%-90%||<2ns *|
|*indicative performance figures obtained at
the National Synchrotron Light Source,
Brookhaven National Laboratory