Scintillation Detectors
FMB Oxford Scintillation Detectors come in two sizes and various configurations that are tailored to meet your individual needs, whether that is an individual detector or an array for a Multi Crystal analyser.
The Scintillation Detector is made up of 4 components; a scintillation detector head, pre-amplifier electronics (CP), signal cable and Pulse Processing electronics (C400). The system comes with software for installation on a Windows PC and command protocols for LabView and EPICS database and GUIs.
Scintillation Detector System
In the detector head is a scintillation crystal, which absorbs X-rays and produces visible photons. The crystal is optically coupled to a photomultiplier tube which converts the light into an electronic signal; the amplitude of which is dependent on the incident X-ray intensity. The signal is then pre-amplified by the CP-10A before being transferred to the C400 for pulse processing.
Crystal Types
FMB Oxford offer a range of scintillation crystals and thicknesses. Your individual choice is a balance between count rate and energy resolution. The highest performing crystal in FMB Oxford’s range is the Lanthanum Bromide with a decay time of 16 ns. It can register faster photon rates and output a greater light signal per photon than any other crystal type.
| Crystal | Crystal Primary Decay time (/ns) | Relative light output(NAL=100%) | Wavelength emission max (nm) |
|---|---|---|---|
| Lanthanum Bromide | 16 | 165 | 380 |
| Sodium Iodide | 250 | 100 | 415 |
CP10-A Fast Pulse Pre-Amplifier
Click on the Scintillation Detectors brochure above for full details
Features
- DC-coupled, 50 ohm impedance
- Gain +32 dB
- DC to 10 MHz bandwidth
- Very compact package
Applications
- Fast scintillator pulse counting readout (matched for LaCl3, LaCl3 and YAP crystals)
- General pulse counting detector head
Options
- CP10-A is matched to fast crystal scintillators
- See CP10-B for plastic scintillators, CDEMs and APDs
C400 4 Channel Pulse Processor
Click on the Scintillation Detectors brochure above for full details
Features
- Four independent channels with fast discriminators, scalers, pre-amp power and high voltage
- Able to control photomultipliers and APDs
- 10 nsec pulse pair resolution
- 150 MHz discriminator bandwidth
- Trigger distribution facility for large detector arrays
- Quadrature encoder input
- Multiple host interface options
Applications
- Fast scintillator readout, NaI, LaCl3, LaBr3 and YAP crystals
- Avalanche photodiode readout
- Detector array readout for area and position sensing detectors
- Diffraction experiments
Options
- HV range and polarity selections
- Matching pre-amplifiers to suit supported detector types
Ordering Information
| Part Number | Crystal Thickness | Part Number | Crystal Thickness |
|---|---|---|---|
| Ø13mm Nal (TI) Detectors | Ø30mm Nal(TI) Detector | ||
| C13Na10B | 1.0mm | C30Na10B | 1.0mm |
| C13Na20B | 2.0mm | C30Na20B | 2.0mm |
| C13Na25B | 2.5mm | C30Na25B | 2.5mm |
| C13Na50B | 5.0mm | C30Na50B | 5.0mm |
| Ø13mm LaBr3(Ce) Detectors | Ø30mm LaBr3(Ce) Detector | ||
| C13LaBr25B | 2.5mm | C30LaBr25B | 2.5mm |
| Item | Part Number | ||
| Fast Pulse Pre-Amplifier | CP10-A | ||
| Four-channel Pulse Counting Detector Controller | C400-4XN20 | ||
| Item | Part Number | Item | Part Number |
| Scintillation PPU cable 5M | WYX31905 | RS232 9 Pin cable 5M | WYX29505 |
| Scintillation PPU cable 10M | WYX31910 | RS232 9 Pin cable 10M | WYX29510 |
| Scintillation PPU cable 15M | WYX31915 | RS232 9 Pin cable 15M | WYX29515 |
| Scintillation PPU cable 20M | WYX31920 | RS232 9 Pin cable 20M | WYX29520 |