20200205 DX 4D Flattening

Flattening

Had to switch to UAO mode for Interferometerctrl, then took out actuators to match SOUL list.

04:59 Flattening with old reconstructor
  • print,opt_int_mat_reduce2(400,track='20190907_190508') RMS 36.7 nm
  • 20200205_050017.sav
  • Forces -0.16, 0.07
  • images go here
  • print,opt_int_mat_reduce2(600,track='20190907_190508') RMS 36.8 nm
  • 20200205_050900.sav
  • Forces -0.21, 0.11
  • images go here

05:13 Loading saved flats
  • 400 mode flat RMS 43.6nm, 637 modes applied,
  • 600 mode flat RMS 42.3 637 modes, forces -0.21, 0.13,

05:21 Reinstating the 3 bad actuators
  • print,opt_int_mat_reduce2(100,track='20190907_190508')
  • actuator 355 still shows high forces, putting back in bad list and trying again.
  • print,opt_int_mat_reduce2(400,track='20190907_190508') RSM 36.7 nm, forces -0.16, 0.06
  • 20200205_061321.sav
  • print,opt_int_mat_reduce2(600,track='20190907_190508') RSM 33.8 nm, forces -0.19, 0.09
  • 20200205_061652.sav

06:30 Adding previously removed actuators
  • 340 and 470 back in use
  • fsm_load_shape with 30 modes, there was a nasty bump with no fringes at 100 modes.
  • print,opt_int_mat_reduce2(100,track='20190907_190508')
  • print,opt_int_mat_reduce2(400,track='20190907_190508') RMS 29.8 nm, forces -0.12,0.03N
  • 20200205_063219.sav
  • print,opt_int_mat_reduce2(600,track='20190907_190508') RMS 29.0 nm, forces -0.16,0.08N
  • 20200205_064051.sav
  • 400 mode flat is best, much lower forces
  • images go here

06:42 Actuator 355 is still in bad list, 340, 470, 468, 565 are back in use.

07:00 Swtiched back to SOUL, set default.sav to 20200205_063219/flattening_result.sav. Get 641 modes, RMS 34nm, forces -0.13,0.04

07:22 Tip to 65 elevation, shell set. forces -0.32, 0.05N.
  • reapplying default flat - 266 modes, forces -0.29, 0.02N
  • 45 elevation forces -0.45, 0.03. After setting - 141 modes, forces 0.29,0.00N

-- ShaneWalsh - 05 Feb 2020
Topic revision: r1 - 05 Feb 2020, ShaneWalsh
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