Ultra-fast, spatially segmented photomultiplier tube
with individual anode timing to < 30 ps rms
to accurately measure picosecond scale transient events
for enhanced signal-to-noise
for better spatial resolution
for long lifetime in high event rate environments
for operation in accelerator facilities
The Photek family of Multi-Anode PhotoMultipler Tubes (MAPMT) utilise Microchannel Plate (MCP) electron multipliers to provide the world’s fastest MAPMTs, with individual pulse risetimes to 175 ps and Transit Time Spread (TTS) to 30 ps rms.
There are multiple configurations to choose from, depending on requirements:
MAPMT253
A 59 mm tileable square format, with a 53 x 53 mm active area, with standard configurations of 64, 256, and 1024 anodes.
MAPMT226
A ruggedised 80 mm package with a 26.5 x 26.5 mm active area having 256 anodes.
Both variants can be customised with unique anode patterns and connectors.
TYPE | Size | Input | Cathode | Anode |
MAPMT2 | 26 | Q (Fused Silica) | BI (Bialkali) | 8 x 8 |
53 | S (Sapphire) | S20 | 16 x 16 | |
*F (Fibre Optic) | S20B | 32 x 32 | ||
*M (MgF2) | S25 | |||
*SB |
*F, *M and *SB only available on the 26 mm model
Electron Multiplier | Dual MCP |
Active Area | 53 x 53 mm |
Window | Fused Silica (Optional: Sapphire) |
Photocathode | Bialkali, S20, S20B, S25 |
Anode Formats | 64 x 64 on 0.828 mm pitch 32 x 32 on 1.656 mm pitch 16 x 16 on 3.312 mm pitch 8 x 8 on 6.624 mm pitch |
Electron Multiplier | Dual MCP |
Active Area | 26.5 x 26.5 mm |
Window | Fused Silica (Optional: Fibre Optic/Sapphire/MgF2) |
Photocathode | Bialkali, S20, S20B, S25, Solar Blind |
Anode Formats | 32 x 32 on 1.656 mm pitch 16 x 16 on 3.312 mm pitch 8 x 8 on 6.624 mm pitch |
Photocathodes Response
Available photocathodes on fused Silica window.
Optical fibre optic window will reduce sensitivity and no response below 300nm
Average Single Photon Pulse
Average of 50 single photon pulses
measured on 5 GHz, 20 GS/s LeCroy oscilloscope,
using sin(x)/x interpolation and illuminated using a
Photek LPG-405 pulsed laser.
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St Leonards on Sea
East Sussex, TN38 9NS
United Kingdom