5th Modulator-Klystron Workshop
for Future Linear Colliders

CERN, PS Division, Geneva, 26-27 April 2001

Workshop timetable

Workshop registration is on Wednesday 25 April from 18:00 to 19:00 where a welcome drink will be offered at 19:00 ("Pas Perdus", bldg. 503 1st floor), There will be another registration session for latecomers on Thursday 26 April, from 07:00 to 08:00 (also in building 503). An Open Poster Session for all attendees and companies will run continuously throughout the workshop.

Session 1-1
RF Systems & Components
Session 2-1
Measurement, Protection and Controls
Session 1-2
Klystron Technology
Session 2-2
Klystron-Modulator Design-1
Session 1-3
Switching Technology
Session 2-3
Klystron-Modulator Design-2
Session 1-4
High Voltage and Energy Storage
Open Poster Session

printable version of the program


Thursday 26 April

08:00-08:10 Opening of workshop by the Workshop Chairman P. Pearce
08:10-08:30 Welcome speech by K. Hubner (the Director of CERN Accelerators)

Session 1-1 RF Systems & Components - chairman : H. Braun (CERN)
08.30-08:50 Choroba S. DESY The TESLA RF System
08:50-09:10 Corsini R. CERN The CLIC Test Facility (CTF3) - An Overview
09:10-09:30 Syratchev I. CERN RF Pulse Compressors systems for CTF3
09:30-09:50 Pearce P. CERN Klystron-Modulators for the 3 TeV CLIC Scheme - An Overview
09:50-10:00 Chairman's review/discussion and questions
Coffee/tea break+ exhibits
Session 1-2 Klystron Technology - chairman G. Caryotakis (SLAC)
10:20-10:40 Caryotakis G. SLAC A paper design for a Sheet-Beam Klystron and its Modulator
10:40-11:00 Beunas A. THALES A High Power Long Pulse High Efficiency Multi Beam Klystron
11:00-11:20 Eisen E. CPI Pulse Klystrons for Next Generation Neutron Sources
11:20-11:40 Phillips G. TMD A 500 kW L-Band Klystron with Broad Bandwidth for Sub-harmonic Bunching in The CLIC Test Facility
11:40-12:10 Chairman's review/discussion and questions
12:10-13:30 Lunch Break
Session 1-3 Switching Technology - chairman E. Vossenberg (CERN)
13:30-13:50 Gaudreau M Diversified
A Solid State Opening Switch for Crowbar Replacement
13:50-14:10 Sheldrake R. Marconi A Thyratron for the NLC Baseline Modulator.
14:10-14:30 Glidden C. APP Inc. High Voltage, High Current, High di/dt Solid State Switch
14:30-14:50 Welleman A. ABB Semiconductor Switches replace Thyratrons & Ignitrons
14:50-15:20 Chairman's review/discussion and questions
15:20-15:50 Coffee/tea break+ exhibits
Session 1-4 High Voltage and Energy Storage - chairman H.U. Boksberger (PSI)
15:50-16:10 Eckoldt H. DESY Power Supplies for TESLA Modulators
16:10-16:30 Heidbrook N DESY Digital Regulation for TESLA Modulator Power Supplies
16:30-16:50 Woodburn D. D. Woodburn & Co Ltd. Design requirements for the various types of Capacitor used in Modulators
16:50-17:10 Reass W.A. LANL First Results of the Los Alamos Polyphase Boost Converter-Modulator
17:10-17:40 Chairman's review/discussion and questions
19:15 Bus leaves for Restaurant

Friday 27 April

08:00-08:10 Start up of Day 2 by the Workshop Chairman

Session 2-1 Measurement, Protection and Controls - chairman B. Frammery (CERN)
08:10-08:30 Kahl J. DESY A new interlock system for the TESLA RF-system
08:30-08:50 Prieto P. Fermilab Muon Collider Test Facility New PFN, Interlocks and Controls
08:50-09:10 Gold S. SLAC Klystron Gun Arcing and Modulator Protection
09:10-09:30 Bartholomé B. CERN Development of the new CTF3 Klystron-Modulator Controls Interface System
09:30-10:00 Chairman's review/discussion and questions
10:00-10:20 Coffee/tea break+ exhibits
Session 2-2 Klystron-Modulator Design-1 - chairman R. Koontz (SLAC)
10:20-10:40 Koontz R. SLAC The progress of SBIR Supported R&D of Solid State pulse modulators
10:40-11:00 Gaudreau M. Diversified
Solid State Pulsed Power Systems for the Next Linear Collider
11:00-11:20 Pappas Ch. SLAC A Solid State Induction Modulator for the NLC
11:20-11:40 Adler R. North Star
Research Corp.
Pulsed Switch Modulator Technology for Fast Pulse Generation
11:40-12:10 Chairman's review/discussion and questions
12:10:13:30 Lunch break
Session 2-3 Klystron-Modulator Design-2 - chairman S. Choroba (DESY)
13:30-13:50 Crewson W. Crewson
Engineering Ltd.
A New Solid State High Power Pulsed Modulator
13:50-14:10 Juengst K. ITP 25 MW SMES-based long-pulse klystron modulator
14:10-14:30 Cassel R.L. SLAC A Solid State Induction Modulator for Long Pulse Applications
14:30-14:50 Akemoto M KEK Solid-State Switching Modulator R&D for Klystron
14:50-15:20 Coffee/tea break+ exhibits
15:20-15:40 Kaesler W. PPT 20-MW Long-Pulse-Klystron Modulator
15:40-16:00 Gold S. SLAC Test Results of a Compact Conventional Modulator for Two-Klystron Operation
16:00-17:30 Chairman & Session chairmen’s discussion and review of the Workshop

Escorted Visit to the CTF2 accelerator facility
(please register for this visit during the workshop)
Open Poster Session
Cordingley B. Lilco Ltd. Some Observations on the Performance of Modern Wideband Current Transformers in Pulse Current Measurement Applications
Dunlop A. Dynex Solid State Thyratron Replacement
Shidara T. KEK Klystron operation statistics at KEK electron/positron injector linac.
Vincent C. TPC FIM Technology
Vossenberg E. CERN Modular solid-state switch for the SPS and LHC beam dump systems

Last updated by tk on Tuesday, April 24, 2001
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