Day operations

Trigger fiber issue

  • skype con with Norm. Trigger fiber connected in Upper-Left Tree-House, LIU0602, blade 4, position 2. See IssueTrack#2846
  • issue solved. Trigger verified.

Alignment

  • Alignment of the day:
    • Hexpod:
x y z Rx Ry Rz
mm mm mm as as as
0.661 3.101 3.633 -581.697 106.989 0.0
    • M3 (no changed)
tip tilt pist sel.
as as mm deg
-612.1 739.8 0.0 8.5987
  • 4D meas end of alignment: D:\4d\flattening\20100920\20100920_175000_alignment.h5

Test Flattening software and procedure

  • 20100920_182525: HBS on, URTH off.
    • i4d_opt_int_mat(0,30)
    • if_redux('20100920_182525', /MODAL):
      • Modes ## 0 30
      • Modes Type Mirror
      • Modes Amp 1.50000e-07
      • Num +- applic 3
      • ovs 0.00800000
      • dec_factor 5
      • trigmode_amp 8.00000e-06
    • build_int_mat('20100920_182525')
    • opt_int_mat_reduce2(7,TRACK='20100920_182525',/CHECK)
    • 4D measure before flattening: D:\4d\flattening\20100920\20100920_190000_before_flattening.h5
    • 4D measure after flattening: D:\4d\flattening\20100920\20100920_190000_flat_result_7modes_astigm.h5
    • WARNING: Correction showed a factor 2 overestimation of command: fixed by software
    • Test done, new FF matrix needed before proceed with final flattening

FF matrix acquisition

  • 20100920_202543:
    • .r ff_acquire_v2
  • 20100920_215100:
    • .r ff_reduce_v2
    • Normalized Chi^2 ff_matrix: 191.48491 DOF: 3697929
    • no evident features in the residuals
  • selected as default (in data copied as 20100920_202543_ff_matrix.sav)

Alignment

  • Alignment at 22:45UT
    • Hexpod:
x y z Rx Ry Rz
mm mm mm as as as
0.659 3.144 3.639 -583.567 107.063 0.0
    • M3 (no changed)
  • 4D meas end of alignment: D:\4d\flattening\20100920\20100920_224500_alignment.h5

Flattening

  • 20100920_224948: HBS on, URTH off.
    • i4d_opt_int_mat(0,10)
    • if_redux('20100920_224948', /MODAL):
      • Modes ## 0 10
      • Modes Type Mirror
      • Modes Amp 1.50000e-07
      • Num +- applic 3
      • ovs 0.00800000
      • dec_factor 5
      • trigmode_amp 8.00000e-06
    • build_int_mat('20100920_224948')
    • opt_int_mat_reduce2(7,TRACK='20100920_182525',/CHECK)
    • 4D measure before flattening: D:\4d\flattening\20100920\20100920_230114_before_flat.h5
    • 4D measure after flattening: D:\4d\flattening\20100920\20100920_230114_after_flat.h5

Alignment

  • Alignment at 23:45UT
    • Hexpod:
x y z Rx Ry Rz
mm mm mm as as as
0.662 3.136 3.635 -581.942 107.771 0.0
    • M3 (no changed)
  • 4D meas end of alignment: D:\4d\flattening\20100920\20100920_235000_alignment.h5

Flattening

  • 20100920_234841, 20100921_000357:
    • i4d_opt_int_mat(0,100)
    • if_redux('20100921_234841', /MODAL):
      • Modes ## 0 100
      • Modes Type Mirror RESULT: the mask intersection wa a bit poor, starting from mode 50. hence a better flattening is required to sample modes above #50!!

  • 20100921_000357: flattening 40 modes:
  • print, opt_int_mat_reduce2(40, track='20100921_000357')
  • interferogram acquired, 20100921_000300_before_flat and 20100921_000300_after_flat

  • 20100921_000730:
    • i4d_opt_int_mat(0,100)
    • if_redux('20100921_000730', /MODAL):
      • Modes ## 0 100
      • Modes Type Mirror
  • 20100921_001818: flattening 100 modes:
  • print, opt_int_mat_reduce2(100, track='20100921_001818')
  • interferogram acquired, 20100921_001818_before_flat and 20100921_001818_after_flat
  • 20100921_001910
    • i4d_opt_int_mat(0,200)
    • if_redux('20100921_001910', /MODAL):
      • Modes ## 0 200
      • Modes Type Mirror

-- ArmandoRiccardi - 20 Sep 2010
Topic revision: r4 - 21 Sep 2010, RunaBriguglio
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