Embed Size (px)
DESCRIPTION
Introduction to ET Enterprises Ltd Brief History Product Range Main Applications Recent Developments Current and Past projects Summary of Capability. VLVnT08 – Toulon April 2008. Introduction to ET Enterprises Ltd. ET Enterprises Limited Bury street Ruislip HA4 7TA United Kingdom - PowerPoint PPT Presentation
Citation preview
bbbbb
1. Introduction to ET Enterprises Ltd
2. Brief History
3. Product Range
4. Main Applications
5. Recent Developments
6. Current and Past projects
7. Summary of Capability
VLVnT08 – Toulon April 2008
bbbbb
ET Enterprises LimitedBury streetRuislipHA4 7TAUnited Kingdom
phone: +44 (0)1895 630773fax: +44 (0)1895 631774
web: http://www.et-enterprises.com
e-mail: [email protected]
Introduction to ET Enterprises Ltd
VLVnT08 – Toulon April 2008
bbbbb
ET Enterprises Limited is a newly formed company which has taken over the photomultiplier and accessories business of Electron Tubes Limited and will continue to manufacture, supply and develop the Electron Tubes brand product range.
Introduction to ET Enterprises Ltd
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Ludlum Instruments Inc. Sweetwater, Texas
ADIT PmtsSweetwater
ET Enterprises Ruislip UK
ELJENSweetwater
Introduction to ET Enterprises Ltd
VLVnT08 – Toulon April 2008
bbbbb
• ET Enterprises will benefit from the additional volume production facilities of ADIT.
• The more specialised pmts will continue to be made in the UK at the same location as our Development facility.
Introduction to ET Enterprises Ltd
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Introduction to ET Enterprises Ltd
• Combined resources of the two operations will enable the new company to extend its penetration into higher volume, lower cost markets
• Benefit from ET Enterprises’ knowledge and experience in many different photomultiplier applications worldwide.
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Brief History
As EMI Electron Tubes Ltd: 1940s: First pmt photon counting system
1970s: First large hemispherical pmt (5 inch)
As Thorn EMI Electron Tubes Ltd 1980s: First low background glass pmts
Rugged pmts for space applications
1990s: First small (1 inch) hemispherical pmtsFirst ultra-low background glass pmts
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Brief History
As Electron Tubes Ltd:1995: High performance pmt modules
X-Ray detection systems
2000: Ultra -low temperature pmts
2005: Signal processing electronics
ET Enterprises Ltd – from May 2007
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Product Range
•Photomultipliers
•Voltage Dividers
•Housings
•Photon counting systems
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Product Range
• Diameter: 19mm to 200mm• Spectral Range:110nm to 900nm• Gain: 103 to >108
• Rise Time: down to <2ns• Window profile: various • Rugged• Low temperature• High temperature• Low background glass
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Main Applications
• High energy Physics• Space exploration• Oil exploration• Nuclear radiation monitoring• Bio-technology• Pollution monitoring• Scintillation spectrometry
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Recent Developments
• Ultra-low temperature photocathodes for use down to -180 C
• Ultra-low background glass: ~50 times lower than standard glass
• All Quartz construction: >200 times lower than standard glass
• Range of standard rugged pmts
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Recent Developments
• High blue/green QE combined with low dark count
• Electro-optical designs to optimise collection efficiency
• Low temperature photocathodes with UV windows
• Encapsulated pmts for direct immersion in liquids
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Current and Recent Projects
BaBar DIRC Detector
• 30mm diameter
• QE
• Water resistant glass
• Large quantity
• Customised base
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Current and Recent Projects
BOREXINO
• 200mm hemi-spherical
• Collection Efficiency
• Encapsulated for Immersion in liquid
• Single electron resolution
• Dark count
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Current and Recent Projects
VLVnT08 – Toulon April 2008
Collection Efficiency
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Current and Recent Projects
WARP
• 78 mm domed window
• Timing
• Operation at LAr temperature
• Single electron resolution
• Dark count
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Current and Recent Projects
DAMA
• 78 mm all quartz
• Collection Efficiency
• Fast timing
• Single electron resolution
• Dark count
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Current and Recent Projects
ICARUS
• 200mm hemi-spherical
• QE and collection efficiency
• Operation at LAr temperature
• Single electron resolution
• Dark count
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Current and Recent Projects
MAGIC
• 25 mm & 38 mm hemi-spherical
• QE and collection efficiency
• Fast timing
• Single electron resolution
• Low gain
VLVnT08 – Toulon April 2008
rrrrrrrrrrrrrrrrrrrrrrbbbbb
Summary of Capability
• Difficult environments
• High QE/Low background
• Range of window profiles
• Single photon electron resolution
• Customisation and Application support
VLVnT08 – Toulon April 2008
