VISA Schedule
Page updated on June 18, 2001

Also Check the ATF Operations Schedule

June 7, 2001 End of the VISA Collaboration. VISA to Remain Installed at the ATF for Use by ATF Staff.
April 30, 2001 Fifth Meeting of the VISA Collaboration.
March 16, 2001 Measurement of SASE Saturation at 830 nm at a gain of 2.2×107.
February  2001 First measurement of gain of up to 106.
January  2001 Alignment Correction.
August 2000 Start of Complete undulator realignment.
May 2000 First Gain (70) Measurement.
Spring 2000 First Experimental Period.
February 19-21, 2000 Installation of OTR screens for all 8 pop-ins.
December 7-10, 1999 Installation of all 8 pop-in BPMs with silicon mirrors polished to lambda/10 by LLNL. BPMs 1, 4 and 5 are equipped with OTR-screens the others with YAG crystals.
December 3-6, 1999 Alignment of the VISA experimental components in the ATF area.
December 1, 1999 Set up of the alignment system.
November 29 1999 Installation of the undulator into the vacuum vessel. BPMs ready.
November 22-28 1999 Survey of the vacuum vessel in place in the ATF area. In-situ backout over the Thanksgiving weekend.
November 15-19 1999 Preparation and installation of the vacuum vessel with undulator, the Faraday Cup and additional hardware to the ATF.
November 7, 1999 Alignment of the undulator in pre-assembly area. Installation of the undulator sections 3 and 4 in vacuum chamber.
November 1, 1999 Test of the pop-in monitors.
November 1, 1999 Installation of undulator sections 1 and 2 in vacuum chamber.
November 1-2, 1999 Fourth Meeting of the VISA Collaboration.
October 18-25, 1999 Measurement of undulator sections 3 and 4.
October 25-29,1999 Measurement of undulator sections 1 and 2.
October 18, 1999 Fidutialization of undulator sections 2 and 3 completed.
September 27, 1999 Experiment, conducted at the Compton beamline at the ATF, indicates that YAG crystals are not suitable as beam profile monitors for VISA. OTR screens perform significantly better.
Spring 1999 Completion of VISA Undulator.
December 22-23, 1998 Third Meeting of the VISA Collaboration.
June 1998 Permanent magnet material ordered.
April 1998 ATF magnet power supply upgrade; order two 166 A and 20 V power supplies.
March 1998 Order of 30 M W klystron. Place bid for permanent magnets.
February 17, 1998 Second meeting of the VISA collaboration and initial design of the experiment, including wavelength range, electron energy, type of undulator.
January 14, 1998 First meeting of the VISA collaboration.