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    User name X. Zheng

    Log entry time 01:59:26 on August14,2001

    Entry number 70715

    keyword=Laser alignment & power check

    08-13-2001:
    22:00 ~ 23:40 Check transverse lasers alignment, all three lasers were about 2mm off (pointing upstream). This has been corrected by re-alignment. (JP, Xiaochao, Wolfgang);

    08-14-2001:
    1:00~1:50: Check laser power (Xiaochao, JP):
    (with fiber directly pointing to powermeter)

    Coherent #...Slot #.... Diode current (A).... Power (W)
    ..7.(W&M).....7..................36.5......................29.7..
    ..6..(UK)........6....................40........................28.4..
    ..5..(JLab)......5..................36.5.......................30.1..
    ..4..(UVa)......3....................40........................28.5..
    ..3..(UVa)......4....................40........................26.4..
    ..2..(JLab)......2....................37........................27.7..
    ..1..(JLab)......1....................38........................30.2..

    Then check laser power after the last 1/4 plate:

    Coherent#..Slot#..Right(W)..Left(W)*.
    ..4.................3........13.0..........12.3..
    ..2.................2........13.4..........12.2..
    ..1.................1........13.7..........11.9..

    * left/right: viewing from laser hut towards target.

    2:00 ~ leave 3 longitudinal lasers on...