fast detectors for medical and particle physics applications wilfried vogel hamamatsu photonics...
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Fast Detectorsfor Medical and Particle
Physics Applications
Wilfried VogelHamamatsu Photonics
FranceMarch 8, 2007
Contents
• Microchannel Plates
• MCP-Photomultipliers
• Flat Panel PMT
• Hybrid Photo-Detector
• Phototubes
• Ultrafast MSM detectors
• Multi-Pixel Photon Counter
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)
Microchannel Plates (MPC)
Microchannel Plates (MPC)
• g = exp (G. α)
• α = L/d
Microchannel Plates (MPC)
• F4655-13 – 14.5 mm diameter– 4 µm channel
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
Contents
• Microchannel Plates
• MCP-Photomultipliers
• Flat Panel PMT
• Hybrid Photo-Detector
• Phototubes
• Ultrafast MSM detectors
• Multi-Pixel Photon Counter
MCP-Photomultiplier Tubes
• From 115 nm to 1.7 µm• 150 ps rise time typical.• 25 ps Time Transit Spread Max
MCP-Photomultiplier Tubes
• Custom multi-pixel products available on request.
• Up to 10x10 pixels
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
Contents
• Microchannel Plates
• MCP-Photomultipliers
• Flat Panel PMT
• Hybrid Photo-Detector
• Phototubes
• Ultrafast MSM detectors
• Multi-Pixel Photon Counter
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
Flat Panel PMT
• Applications– Small Animal Imaging– Compact Gamma Camera– Scinti-mammography– 2D Radiation Monitor
Effective area ratio 89%!
Contents
• Microchannel Plates
• MCP-Photomultipliers
• Flat Panel PMT
• Hybrid Photo-Detector
• Phototubes
• Ultrafast MSM detectors
• Multi-Pixel Photon Counter
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
Hybrid Photo-Detector (HPD)
• R&D large format HPD for next generation water Cherenkov detector
• P/N HY0010
Hybrid Photo-Detector (HPD)
• Timing resolution for multi-photoelectrons
Contents
• Microchannel Plates
• MCP-Photomultipliers
• Flat Panel PMT
• Hybrid Photo-Detector
• Phototubes
• Ultrafast MSM detectors
• Multi-Pixel Photon Counter
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
Contents
• Microchannel Plates• MCP-Photomultipliers• Photomultipliers• Flat Panel PMT• Hybrid Photo-Detector• Phototubes• Ultrafast MSM detectors• Multi-Pixel Photon Counter
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
Contents
• Microchannel Plates
• MCP-Photomultipliers
• Flat Panel PMT
• Hybrid Photo-Detector
• Phototubes
• Ultrafast MSM detectors
• Multi-Pixel Photon Counter
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
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
MPPC Applications
• Nuclear Medicine– PET/MRI, TOF-PET
• HEP– Calorimeter
• Homeland security• Fluorescence,
chemiluminescence• Flow cytometry, micro-fluidics
MPPC’s future plan
• 3 mm² active area– 900 and 3600 pixels (100 & 50 µm)
• MPPC module– Signal readout– Temperature control– USB interface
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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