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Fast Detectors for Medical and Particle Physics Applications

Fast Detectors for Medical and Particle Physics Applications. Wilfried Vogel Hamamatsu Photonics France March 8, 2007. Contents. Microchannel Plates MCP-Photomultipliers Flat Panel PMT Hybrid Photo-Detector Phototubes Ultrafast MSM detectors Multi-Pixel Photon Counter.

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Fast Detectors for Medical and Particle Physics Applications

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  1. Fast Detectorsfor Medical and Particle Physics Applications Wilfried Vogel Hamamatsu Photonics France March 8, 2007

  2. Contents • Microchannel Plates • MCP-Photomultipliers • Flat Panel PMT • Hybrid Photo-Detector • Phototubes • Ultrafast MSM detectors • Multi-Pixel Photon Counter

  3. Microchannel Plates (MCP) • Electrons, ions, X-rays, high energy particles detection. • Circular and rectangular shape • High speed response (500 ps FWHM) • High gain (up to several 10^7)

  4. Microchannel Plates (MPC)

  5. Microchannel Plates (MPC) • g = exp (G. α) • α = L/d

  6. Microchannel Plates (MPC) • F4655-13 • 14.5 mm diameter • 4 µm channel

  7. Microchannel Plates (MCP) • New assembly F9892 (2 stages) • High time resolution (1.2 ns FWHM) • 40 mm diameter • Excellent MCP flatness (20 µm) • Little ringing (3%) • 12 or 6 µm channel diameter

  8. Contents • Microchannel Plates • MCP-Photomultipliers • Flat Panel PMT • Hybrid Photo-Detector • Phototubes • Ultrafast MSM detectors • Multi-Pixel Photon Counter

  9. MCP-Photomultiplier Tubes • From 115 nm to 1.7 µm • 150 ps rise time typical. • 25 ps Time Transit Spread Max

  10. MCP-Photomultiplier Tubes • Custom multi-pixel products available on request. • Up to 10x10 pixels

  11. MCP-Photomultiplier Tubes • Applications : • Molecular Science Analysis • Medical Science OCT • Biochemistry Fast Gene Sequencing • Time Resolved Analysis • Material Engineering Semiconductor Analysis • P/N R3809U or R5916U

  12. Contents • Microchannel Plates • MCP-Photomultipliers • Flat Panel PMT • Hybrid Photo-Detector • Phototubes • Ultrafast MSM detectors • Multi-Pixel Photon Counter

  13. Flat Panel PMT • H9500 • 16x16 multianode • H8500 • 8x8 multianode • Small dead space • Fast time response (0.8 ns rise time) • Low cross-talk (3 to 5 %) • Good uniformity

  14. Flat Panel PMT • Applications • Small Animal Imaging • Compact Gamma Camera • Scinti-mammography • 2D Radiation Monitor Effective area ratio 89%!

  15. Contents • Microchannel Plates • MCP-Photomultipliers • Flat Panel PMT • Hybrid Photo-Detector • Phototubes • Ultrafast MSM detectors • Multi-Pixel Photon Counter

  16. Hybrid Photo-Detector (HPD) • Features (P/N R10647) • Fast time response (400 ps rise time) • Excellent Timing Resolution (110 ps FWHM) • Capable of Photon Counting • Applications : • HEP • Biology, Medical • LIDAR • TCSPC

  17. Hybrid Photo-Detector (HPD) • R&D large format HPD for next generation water Cherenkov detector • P/N HY0010

  18. Hybrid Photo-Detector (HPD) • Timing resolution for multi-photoelectrons

  19. Contents • Microchannel Plates • MCP-Photomultipliers • Flat Panel PMT • Hybrid Photo-Detector • Phototubes • Ultrafast MSM detectors • Multi-Pixel Photon Counter

  20. Phototubes Features • High speed : 60 ps rise time • Large photosensitive area • Large spectral response : VUV to NIR (115 nm to 1,1 µm) • High stability and wide dynamic range

  21. Contents • Microchannel Plates • MCP-Photomultipliers • Photomultipliers • Flat Panel PMT • Hybrid Photo-Detector • Phototubes • Ultrafast MSM detectors • Multi-Pixel Photon Counter

  22. MSM Detectors • Metal-Semiconductor-Metal • GaAs & InGaAs • Features • Ultrafast response : 30 ps rise time (GaAs) 40 ps rise time (InGaAs) • Low dark current : 100 pA at 25°C (GaAs) 5 µA at 25°C (InGaAs) • Large photosensitive area : 200 µm

  23. Contents • Microchannel Plates • MCP-Photomultipliers • Flat Panel PMT • Hybrid Photo-Detector • Phototubes • Ultrafast MSM detectors • Multi-Pixel Photon Counter

  24. Multi Pixel Photon Counter • What is MPPC? • Solid state photon counter using Geiger mode APD and self quenching resistance • Competitors and customers use the term SiPM for Silicon Photo-Multiplier • MPPC advantages • Compact size • Low reverse voltage operation • Insensitive to magnetic fields • Lower cost vs. PMT’s • Good timing resolution

  25. MPPC features • Line up of MPPC (1 mm²) • 1600 pixel-type • 25 µm pixel pitch, 40 x 40 pixels • 400 pixel-type • 50 µm pixel pitch, 20 x 20 pixels • 100 pixel-type • 100 µm pixel pitch, 10 x 10 pixels • Time resolution : 250 ps max FWHM • PDE = QE x fill factor x avalanche probability

  26. MPPC Applications • Nuclear Medicine • PET/MRI, TOF-PET • HEP • Calorimeter • Homeland security • Fluorescence, chemiluminescence • Flow cytometry, micro-fluidics

  27. MPPC’s future plan • 3 mm² active area • 900 and 3600 pixels (100 & 50 µm) • MPPC module • Signal readout • Temperature control • USB interface

  28. Thank you! • Feel free to ask us for more information • Visit our website • www.hamamatsu.com • www.hamamatsu.fr W. Vogel

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