1. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Oct.05 2007 at NNN07 Workshop Hamamatsu Photonics Electron Tube Division Recent Progress in PMTs

2. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Contents in this talk What is Hamamatsu Photonics ? High QE Bialkali Photocathode Available Products (Metal Channel PMTs and others) Developmental Products (Fast PMTs, Large Format PMTs) Combination with Solid State Devices HPD(Hybrid Photo Detector)

3. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. JAPAN Japanese Standard MAP Hamamatsu Sales Office Map Europe USA Southeast Asia (Representatives) (Subsidiaries)

4. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Where is Hamamatsu Photonics Hamamatsu is the name of the city. HONDA, YAMAHA and SUZUKI (famous motorcycle companies) are located in the same area. Population : 820K (as of Jul.07) SSD ETD CRL NNN07 Workshop KRL

5. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Established : Sept 29, 1953 Net Sales : (FY 2006) Yen 87B ($750M) Employees : 4,000 (Group) (As of Jul. 07) Electron Tube Division Solid Sate Division Systems Division Laser Group Research Laboratories Hamamatsu Photonics K.K.

6. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Central Research Lab. Medical Imaging Center (PET Center) Main Research Lab. Material Research Biomedical Research

7. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Kurematsu Research Lab. Training Center HAMANA Lake Main Research Buildings Dormitories

8. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. High QE Bialkali Photocathode Announced at IEEE conference in last Oct. Based on continuous effort for long time

9. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Bialkali QE Comparison Example Data for UBA : R7600-200 SBA : R7600-100 STD : R7600 UBA:43% SBA:35% STD:26% x1.3 x1.6

10. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Definition of SBA/UBA R9880 New TO-8 type Metal Package R7600/R8900 1 inch Square Metal Package

11. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. R7600 & R8900 & R9880 (Metal Package PMTs) Metal Channel Dynodes Micro processing technology Features Compact, Fast Time Response Position Sensitive Immunity to magnetic field Array of Linear Focused Dynode 1 mm R9880 R7600

12. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. R7600 & R8900 Various Anode Types 4 channels M4 (2x2) 16 channels M16 (4x4) 64 channels M64 (8x8) Cross-Plate C12 (6+6) (R7600-M64 only)(R8900-C12 only) X Y Difference of R7600 & R8900 R7600R8900 Multi-anode Fiber Coupling Imaging RICH Focusing Proximity MCD

13. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Latest Data of R7600-200 (UBA) > Typical : 43 % Minimum : 38 % at peak Wavelength Example data with 10 tubes 41%~45%

14. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Conventional PMTs with SBA R6231-100 (2 inch) R3998-100 (1-1/8 inch) R6233-100 (3 inch) For Better Energy Resolution Applications: Radiation detection Gamma Camera Gamma Camera Radiation Probe Radiation Probe

15. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Energy Resolution vs. QE

16. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Developmental Products for High QE Fast Time Response PMTs for HEP experiments & PET Large Format PMTs for Neutrino experiments Flat Panel PMTs for Medical Applications

17. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Fast Time Response PMTs R9779 (2”) TTS: 250 ps Rise: 1.8 ns at 1500V R9420 (1.5”) TTS: 550 ps Rise: 1.6 ns at 1300V R9800 (1”) TTS: 270 ps Rise: 1.0 ns at 1300V For Faster Timing Resolution Simple Structure For Low Cost and Mass Production Applications: TOF-PET and HEP Experiments

18. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Test Setup for CRT

19. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Relation between Timing and QE

20. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. CRT vs. QE (an Example)

21. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. 8 inch 10 inch 13 inch 20 inch 13 inch PMT is very low profile despite its diameter. Large Format PMTs Applications: Neutrino Experiment For Better Detection Efficiency Trial for High QE R7081 R5912 R8055 R3600

22. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Example data R7081 (10 inch) Standard 26% at 380 nm High QE Type Champion Data 35% at 380 nm Samples:22 pcs Average:31.6%

23. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Flat Panel PMTs High Packing Ratio (89% effective area ratio) Applications: Radiation Imaging HEP Experiments For Better Image Quality 2 inch Square3 x 3 array

24. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Example data for H8500 High QE Type Champion Data 35% at 350 nm 33.5% at 420 nm Standard 27.5% at 350 nm 24% at 420 nm

25. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. High Speed HPD KEK (HEP Lab in Japan) SMA Connector Bialkali (8 mm in dia.) Diameter: 33 mm Length: 34 mm Total Gain 200,000 NEW Plano-Concave Small AD R10467U at 8KV at 400V

26. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Timing Resolution with Single p.e. Timing Resolution (FWHM) 1mm dia. : 34 ps 8mm dia. : 50 ps Light Source : PLP Application: HEP Experiments Biomedical, LIDAR, TCSPC R10467U

27. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Large Format HPD  330mm 13 inches 280mm The Univ. of Tokyo and JST (JAPAN SCIENCE AND TECHNOLOGY AGENCY) Development will be finished by Mar.2009 AD Target : 5mm  TTS(FWHM) : 440 ps

28. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. EB Gain and Avalanche Gain 13 inch HPD Total : 2.3e+05

29. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Summary PMTs are getting improved.  High QE Bialkali photocathode is ready for some products  Unique shapes are offered with MCD (MCD:Metal Channel Dynode) HPDs are getting matured.  High Speed HPD  Large Format HPD (13 inch)

30. Copyright © Hamamatsu Photonics K.K. All Rights Reserved. Thank you for your attention !! Any Questions ?