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J. Cook, D. Helms, W. Skinner
Division (M7), FEL Coordination Group
F. Dylla
IR Demo Project Weekly Report, May 18-22, 1998
May 22, 1998
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Management
This week beam commissioning activities were suspended as we replaced the photocathode in the
gun. We used the downtime for installation activities and work on the first light commissioning
procedures. Highlights for the week include:(1)installation of the first user equipment in the
metals lab (Lab 3) and the polymers lab (Lab 1); (2)installation of the last major magnet and
vacuum chamber (the east arc 180 magnet) in the driver accelerator.
The project monthly report for April 1998 was distributed to the DOE and Navy Program Offices
onThursday, May 21.
On Wednesday, May 20, a contingent from Newport News Shipbuilding, led by Marc Pelaez,
Vice President for Engineering, visited the laboratory to discuss interactions with the FEL
Program and the Applied Research Center. Presently, several engineers from NNS are members
of the metals working group.
On Thursday, May 21, Eric Rohlfing from the DOE-BES Divsion of Chemical Sciences visited
the laboratory to dicuss applications of the FEL to chemical physics and presented a seminar to the
group on combustion research topics.
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Installation Activities
The shield blocks on the truck ramp were removed, the last DY 180º Bend Magnet with its
vacuum chamber was installed, and the shield blocks were restacked this week in less than 6
hours. The magnet was aligned and its vacuum flanges are in process of being connected today
(Friday, May 22).
The high power RF tests for injector windows were completed this week. The maximum RF
power achieved by the klystron and successfully transmitted by the test windows for these tests
was 37 kW.
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