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PIMEGA — Large-Area X-Ray Detectors for Synchrotrons
INTRODUCING PIMEGA
Large-Area X-Ray Detectors for Big Discoveries PIMEGA is a family of large-area hybrid-pixel detectors based on Medipix3RX technology developed at CERN, delivering noise-free, direct X-ray detection with single-photon-counting capability and high detection efficiency.
Designed as modular detectors with versatile geometries, PIMEGA addresses the most demanding high-performance X-ray applications at synchrotron light sources.
Developed jointly with CNPEM and successfully deployed across multiple beamlines at Sirius — Brazil's fourth-generation synchrotron light source — PIMEGA combines large active areas, high resolution, and high frame rates in a single platform.
Our different
product lines
RAD
Medipix3
Photon counting
Frames
55x55 µm²
24 000 fps
X-rays
2 thresholds
PIMEGA
Medipix3
Photon counting
Frames
55x55 µm²
24 000 fps
X-rays
4 thresholds
Product Highlights
Smaller gaps between sensors
55 µm × 55 µm pixel size for high spatial resolution
High speed / frame rate — 2000 fps, up to 20.000 fps @1-bit mode
Vacuum compatibility for small-angle geometries
Technology
PIMEGA and RAD photon-counting detector systems are built on Medipix3RX technology developed at CERN. PITEC also offers custom solutions on either the Medipix3RX or Timepix2 platform, tailored to specific customer requirements.
Sensors Options
PIMEGA detectors are available with semiconductor sensors matched to the application's energy range:
| SPECS | SI | CDTE |
|---|---|---|
| Thickness | 500 µm 1000 µm | 1000 µm |
| Energy Range | 6 - 25 keV | 8 - 150 keV |
| Adjustable threshold range | 4 - 25 keV | 5 - 75 keV |
Sensor thickness options: 500, 675, or 1000 µm.
Silicon (Si): ideal for low to mid-energy X-rays.
Cadmium Telluride (CdTe): optimized for higher-energy applications.
Explore the RAD product family:
Explore the PIMEGA product family:
Custom Solutions
Beyond its standard PIMEGA and RAD product lines, PITEC develops fully customized detector solutions engineered around each customer's specific application, geometry, and performance requirements.
Leveraging deep-tech hardware expertise and CERN photon-counting platforms, PITEC covers the entire product development cycle — from design and testing to integration and reliability validation.
PLATFORMS
Custom solutions can be built on different CERN-licensed photon-counting architectures:
Medipix3RX — the platform behind the PIMEGA and RAD product lines (scientific applications)
Timepix2 — for commercial-use custom developments
Timepix4 — advanced timing capabilities, currently under R&D
