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:

• • M3 (no changed)

• 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:

• • 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:

• • 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