20190307 DX Flat Measurements with 4D

17:19 Flat ../20190206_102708/flattening_result.sav
  • 2.7 um astigmatism
  • 2 images initial_90el

  • print, opt_int_mat_reduce2(40, track='20190205_063210')
  • /local/aomeas/adsec_calib/flat/20190307_172834/flattening_result.sav

  • print, opt_int_mat_reduce2(200, track='20190205_063210')
  • /local/aomeas/adsec_calib/flat/20190307_173027/flattening_result.sav
  • flat_90el_200

  • print, opt_int_mat_reduce2(400, track='20190205_063210')
  • /local/aomeas/adsec_calib/flat/20190307_173532/flattening_result.sav
  • flat_90el_400

  • print, opt_int_mat_reduce2(400, track='20190205_063210')
  • /local/aomeas/adsec_calib/flat/20190307_173800/flattening_result.sav
  • not as good as flat from 20190206 used above. bump at

  • print, opt_int_mat_reduce2(500, track='20190205_063210')
  • /local/aomeas/adsec_calib/flat/20190307_174027/flattening_result.sav

  • /local/aomeas/adsec_calib/flat/20190307_174416/flattening_result.sav
  • 1 image 90el_600m

17:51 Flat ../20190206_102708/flattening_result.sav
  • 3.0 um astigmatism
  • apply -1.4 Z6
  • 80 nm rms
  • IDL> a=get_img4d()
    • flat_90el_1, _2, _3

17:55 Move to 75 El
  • Delta to hex OK
  • 11.1 um Astig
  • flat_75el_init_1,2,3
  • 5.5 Z6 to 0.5 astig
  • flat_75el_z6_d5.5_1,2,3
  • 164 nm rms
  • 2 images 75el_z6

18:12 Move to 60 El
  • Deltas a bit smaller
  • print, hexalign(/apply)
  • 68 um astig
  • flat_60el_init_1,2,3
  • 3.4 Z6 to 0.5 astig
  • 289 nm rms
  • 2 image 60el_z6_3.4

18:20 move to 45 El
  • delta -0.03, -0.1 0, 20, -8
  • 3.0 um astigmatism
  • 1.5 z6 to 0.8 um
  • 355 nm rms to .7 um
  • flat_45el_z6_1.5_1,2,3
  • 2 image 45el_z6_1.5

18:33 Move to 30 El
  • delta -0.3 -0.1, 0, 15, -8
  • 1.8 um astig
  • flat_30el_z6_1.0_1,2,3
  • 1.0 z6 to 0.9 um astig
  • 425 nm rms
  • 2 images 30el_z6_1.0

19:10 Move to 90 El
  • back to original M2 positions, OK
  • Set Z6 to 0.0
  • print, hexalign(/apply)
  • 3.0 um astigmatism
  • -1.5 z6 to 0.33 astig
  • flat_90_el_z6_m1.6_1,2,hex_3,4
  • 99 nm rms
  • 2 images 90el_z6_m1.6

19:32 Slew to 30, back up to 90
  • 115 nm rms
  • 2 images 90el_30el_back*
  • hexalign()

19:40 Set 90 flat
  • 2 images flat_w_2_bumps
  • 634 modes applied
  • apply flat. bump at 377 gone
  • apply flat. bump at 556, again

20:14 Set correct flat
  • 110 nm rms
  • 2 images 90_el_after_30el
  • flat_90el_after_30el_1, 2, 3

20:20 Slew to 30 El and back to 90 EL
  • 120 nm rms
  • 2 images 90_el_after_30el_2
  • flat_90el_after_30el_2.1, 2, 3

20:30 Rest and Set
  • Still same

20:34 45El and back to 90 El
  • Still same

20:37 Rest and Set
  • Still same

20:29 Power off AdSec and restart
  • Still same
  • 108 nm rms

21:00 flatten
  • AdOpt>print, opt_int_mat_reduce2(400, track='20190205_063210')
  • 42 nm rms
  • 2 images 90el_400m*
  • save flat 20190307_4D_400m_1

21:20 Set flat ../20190206_102708/flattening_result.sav
  • 110 nm rms
  • remove astig to 0.05 um with z5=-0.3 z6=-1.4
  • AdOpt>print, opt_int_mat_reduce2(400, track='20190205_063210')
  • /local/aomeas/adsec_calib/flat/20190307_212957/flattening_result.sav
  • flatten_400m_0.05astig_3
  • 3 images flat_400m_0.05_astig*

-- DougMiller - 07 Mar 2019
Topic revision: r2 - 07 Mar 2019, DougMiller
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