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  Coating Ring-down Measurement Lab elog, Page 7 of 18  Not logged in ELOG logo
ID Date Author Type Category Subject
  581   Fri Oct 5 15:25:47 2018 AlenaGeneralMeasurementsS1800019
  • 15:10 in chamber
    • S1800019in CR0
  • 15:20 roughing pump on
  • 15:41 turbo pump on
  580   Fri Oct 5 14:47:04 2018 AlenaGeneralMeasurementsS1600644, S1600645
  • 14:50 in chamber
    • S1600644 in CR1
    • S1600645 in CR2
  • 15:29 roughing pump on
  • 15:35 turbo pump on
  579   Thu Oct 4 08:30:41 2018 AlenaGeneralMeasurementsS1600637, S1600638, S1600639, S1600640
  • 11:20 in chamber
    • S1600637 in CR1
    • S1600638 in CR2
    • S1600639 in CR3
    • S1600640 in CR4
  • 11:28 roughing pump on
  • 11:36 turbo pump on
  578   Fri Sep 28 18:44:14 2018 AlenaGeneralMeasurementsS1600633, S1600634, S1600635, S1600636

Tried to re-align CR1-4 again

  •  
    • S1600633 in CR1
    • S1600634 in CR2
    • S1600635 in CR3
    • S1600636 in CR4
  • 18:30  roughing pump on
  • 18:40 turbo pump on
  577   Thu Sep 27 15:48:08 2018 AlenaGeneralMeasurementsS1600633, S1600634, S1600635, S1600636
  • 15:30 in chamber
    • S1600633 in CR1
    • S1600634 in CR2
    • S1600635 in CR3
    • S1600636 in CR4
  • 15:45 roughing pump on
  • 15:55  turbo pump on
  576   Tue Sep 25 13:40:05 2018 GabrieleGeneralMeasurementsS1600608

Started measurement for S1600608 in CR3.

Quote:
  • 11:10 in chamber
    • S1600603 in CR1
    • S1600604 in CR2
    • S1600608 in CR3
  • 14:20 roughing pump on
  • 14:29 turbo pump on

Keeping S1800608 in CR3 to be measured later

 

  575   Fri Sep 21 17:55:26 2018 AlenaGeneralMeasurementsS1600603, S1600604

Restarted the previous measurement. Notieced N was 6 instead of 8.

  574   Thu Sep 20 11:49:24 2018 AlenaGeneralMeasurementsS1600603, S1600604, S1600608
  • 11:10 in chamber
    • S1600603 in CR1
    • S1600604 in CR2
    • S1600608 in CR3
  • 14:20 roughing pump on
  • 14:29 turbo pump on

Keeping S1800608 in CR3 to be measured later

  573   Tue Sep 18 11:12:03 2018 AlenaGeneralMeasurementsS1600606, S1600607, S1600608
  • 10:38 in chamber
    • S1600606 in CR1
    • S1600607 in CR2
    • S1600608 in CR3
  • 10:55 roughing pump on
  • 11:09 turbo pump on

Started the measurement for CR1 and CR2 only. CR3 is an uncoated control sample. CR3 is centered and ready to be measured next

  572   Tue Sep 18 10:34:19 2018 AlenaGeneralMeasurementsS1800018
  • 10:30 in chamber
    • S1800018 in CR0
  • 10:34 roughing pump on
  • 10:53 turbo pump on
  571   Fri Sep 14 15:33:42 2018 AlenaGeneralMeasurementsS1600603, S1600604
  • 15:27 in chamber
    • S1600603 in CR3
    • S1600604 in CR4
  • 15:32 roughing pump on
  • 15:42 turbo pump on
  570   Wed Sep 12 11:46:33 2018 AlenaGeneralMeasurementsS1800018
  • 11:30 in chamber
    • S1800018 in CR0
  • 11:40 roughing pump on
  • 12:02 turbo pump on

increased noise amplitude gain to 0.6

  569   Tue Sep 11 08:07:59 2018 AlenaGeneralMeasurementsS1600601, S1600602, S1600603, S1600604
  • 08:04 in chamber
    • S1600601 in CR1
    • S1600602 in CR2
    • S1600603 in CR3
    • S1600604 in CR4
  • 08:19 roughing pump on
  • 08:24 turbo pump on
  568   Fri Sep 7 13:28:42 2018 AlenaGeneralMeasurementsS1800018
  • 13:10 in chamber
    • S1800018 in CR0
  • 13:17 roughing pump on
  • 13:42 turbo pump on
  567   Thu Sep 6 13:44:13 2018 AlenaGeneralMeasurementsS1600601, S1600602, S1600603, S1600604
  • 13:30 in chamber
    • S1600601 in CR1
    • S1600602 in CR2
    • S1600603 in CR3
    • S1600604 in CR4
  • 13:41 roughing pump on
  • 13:55 turbo pump on
  566   Wed Aug 22 11:55:34 2018 AlenaGeneralMeasurementsS1600606, S1600607, S1600608
  • 11:40 in chamber
    • S1600606 in CR1
    • S1600607 in CR2
    • S1600608 in CR3
  • 11:53 roughing pump on
  • 12:00 turbo pump on
  565   Fri Aug 17 16:48:16 2018 AlenaGeneralMeasurementsS1800022
  • 16:35 in chamber
    • S1800022 in CR0
  • 16:46 roughing pump on
  • 17:02 turbo pump on
  564   Thu Aug 16 18:07:35 2018 AlenaGeneralMeasurementsS1600601, S1600602, S1600603, S1600604
  • 17:48 in chamber
    • S1600601 in CR1
    • S1600602 in CR2
    • S1600603 in CR3
    • S1600604 in CR4
  • 18:05 roughing pump on
  • 18:16 turbo pump on
  563   Thu Aug 16 17:48:54 2018 AlenaGeneralMeasurementsS1800021
  • 17:40 in chamber
    • S1800021 in CR0
  • 17:48 roughing pump on
  • 18:05 turbo pump on
  562   Wed Aug 15 16:21:33 2018 AlenaGeneralMeasurementsS1800020
  • 16:29 in chamber
    • S1800020in CR0
  • 16:36 roughing pump on
  • 16:52 turbo pump on
  561   Tue Aug 14 08:58:34 2018 AlenaGeneralMeasurementsS1800019
  • 08:50 in chamber
    • S1800019 in CR0
  • 08:57 roughing pump on
  • 09:14 turbo pump on
  560   Wed Aug 8 15:10:14 2018 AlenaGeneralMeasurementsS1800018
  • 14:15 in chamber
    • S1800018 in CR0
  • 14:50 roughing pump on
  • 15:12 turbo pump on
  559   Wed Aug 8 13:31:03 2018 AlenaGeneralMeasurementsS1600645, S1600646, S1600647, S1600648
  • 13:35 in chamber
    • S1600645 in CR1
    • S1600646 in CR2
    • S1600647 in CR3
    • S1600648 in CR4
  • 13:58 roughing pump on
  • 14:05 turbo pump on
  558   Mon Aug 6 11:09:41 2018 AlenaGeneralMeasurementsS1600571, S1600572
  • 11:00 in chamber
    • S1600571 in CR1
    • S1600572 in CR2
  • 11:10 roughing pump on
  • 11:15 turbo pump on
  557   Tue Jul 31 11:07:55 2018 AlenaGeneralMeasurementsS1600561, S1600562, S1600563, S1600564
  • 11:15 in chamber
    • S1600561 in CR1
    • S1600562 in CR2
    • S1600563 in CR3
    • S1600564 in CR4
  • 11:39 roughing pump on
  • 11:47 turbo pump on
  556   Fri Jul 27 18:06:49 2018 AlenaGeneralMeasurementsS1600641, S1600642, S1600643, S1600644
  • 17:50 in chamber
    • S1600641 in CR1
    • S1600642 in CR2
    • S1600643 in CR3
    • S1600644 in CR4
  • 18:04 roughing pump on
  • 18:13 turbo pump on
  555   Thu Jul 26 15:35:48 2018 AlenaGeneralMeasurementsS1800620
  • 15:20 in chamber
    • S1800620 in CR0
  • 15:30 roughing pump on
  • 15:45 turbo pump on
  554   Thu Jul 26 15:33:00 2018 AlenaGeneralGeneralNew laser instaled for the old chanber cr0

Installed a new HeNe laser for the old chamber cr0. No major alignement was required. The laser mount restored the alinement. Will run a test measurement now.

Attachment 1: 20180726_152508.jpg
20180726_152508.jpg
Attachment 2: 20180726_152521.jpg
20180726_152521.jpg
Attachment 3: 20180726_152530.jpg
20180726_152530.jpg
Attachment 4: 20180726_154138.jpg
20180726_154138.jpg
  553   Thu Jul 26 14:55:53 2018 AlenaGeneralMeasurementsS1600571, S1600572
  • 14:30 in chamber
    • S1600571 in CR1
    • S1600572 in CR2
  • 14:40 roughing pump on
  • 14:50 turbo pump on
  552   Wed Jul 25 11:24:51 2018 AlenaGeneralMeasurementsS1600561, S1600562, S1600563, S1600564
  • 12:20 pm in chamber
    • S1600561 in CR1
    • S1600562in CR2
    • S1600563 in CR3
    • S160056 in CR4
  • 12:20 pm roughing pump on
  • 12:26 pm turbo pump on
  551   Wed Jul 25 11:23:44 2018 AlenaGeneralGeneralCR14 re-alignement

Aligned CR14 chamber back to 3" disks.

Attachment 1: 20180725_111415.jpg
20180725_111415.jpg
  550   Tue Jul 10 13:50:32 2018 GabrieleGeneralMeasurementsS1800614 S1800619 S1600600

Measurement for S1600600 started at 11:50am

Quote:
  • 19:30 in chamber
    • S1800614 in CR1
    • S1800618 in CR2
    • S1600600 in CR4
  • 19:40 roughing pump on
  • 19:45 turbo pump on

Started a measurement for CR1 and CR2 only. CR4 is instaled, centered and ready to be measured later

 

  549   Fri Jul 6 19:43:54 2018 AlenaGeneralMeasurementsS1800614 S1800619 S1600600
  • 19:30 in chamber
    • S1800614 in CR1
    • S1800618 in CR2
    • S1600600 in CR4
  • 19:40 roughing pump on
  • 19:45 turbo pump on

Started a measurement for CR1 and CR2 only. CR4 is instaled, centered and ready to be measured later

  548   Fri Jun 29 10:52:00 2018 AlenaGeneralMeasurementsS1800614 S1800618 S1800619 S1600600
  • 11:01 in chamber
    • S1800614 in CR1
    • S1800618 in CR2
    • S1800619 in CR3
    • S1600600 in CR4
  • 11:10 roughing pump on
  • 11:20 turbo pump on
  547   Thu Jun 28 17:40:59 2018 AlenaGeneralMeasurementsS1600594, S1600595
  • 18:01 in chamber
    • S1600594 in CR1
    • S1600594 in CR2
  • 18:09 roughing pump on
  • 18:13 turbo pump on
  546   Wed Jun 27 18:27:46 2018 AlenaGeneralMeasurementsS1600597, S1600598, S1600599
  • 18:27 in chamber
    • S1600597 in CR1
    • S1600598 in CR2
    • S1600599 in CR3
  • 18:28 roughing pump on
  • 18:32 turbo pump on
  545   Mon Jun 25 16:17:14 2018 AlenaGeneralMeasurementsS1600584, S1600599, S1600591
  • 16:18 in chamber
    • S1600584 in CR1
    • S1600599 in CR2
    • S1600591 in CR3
  • 16:28 roughing pump on
  • 16:37 turbo pump on
  544   Sun Jun 24 14:47:50 2018 GabrieleGeneralMeasurementsS1600594, S1600595, S1600597, S1600598

Something was not quite right with the last measurement.

I wanted to check the QPD spectra (as explained in the procedure T1700089), but diaggui could not get the data, and failed with a "Timeout" error.

So I logged into the cymac and restarted the daqd process. In case you need to do that, in a terminal write

ssh cymac3 [ENTER]
killall daqd [ENTER]
exit [ENTER]

After this operation diaggui was able to read data and the QPD spectra looked ok. 

So I checked that enabling all fout ESD switches and eabling the ESD output did cause the disks to be excited.

Since everything looks normal, I started a new measurement, same parameters as before.

Quote:

Repeating the previous measurement after correcting the alignement. Did not vent the chamber.

  • 21:15 in chamber
    • S1600594 in CR1
    • S1600595in CR2
    • S1600597 in CR3
    • S1600598 in CR4

 

  543   Sat Jun 23 21:15:15 2018 AlenaGeneralMeasurementsS1600594, S1600595, S1600597, S1600598

Repeating the previous measurement after correcting the alignement. Did not vent the chamber.

  • 21:15 in chamber
    • S1600594 in CR1
    • S1600595in CR2
    • S1600597 in CR3
    • S1600598 in CR4
  542   Fri Jun 22 10:53:06 2018 AlenaGeneralGeneralLaser failure

One of the HeNe lasers died (the one for measuring slots CR2 and CR4). It had no outgoing light when I came in this morning. I connected the laser to another identical power supply. The laser started going on and of and the power supply was making some sparkling noise. I swapped the laser with the test chamber (CR0). No re alignment was required for measurement slots CR1 and CR3. A very slight alignment was done for measuring slots CR2 and CR4 after the laser from the test chamber was installed. So temporary we do not have a setup to measure 2" samples easily. Attaching pictures of the broken laser`s label

Attachment 1: 20180622_112134.jpg
20180622_112134.jpg
Attachment 2: 20180622_112138.jpg
20180622_112138.jpg
  541   Fri Jun 22 10:51:46 2018 AlenaGeneralMeasurementsS1600594, S1600595, S1600597, S1600598
  • 10:50 am in chamber
    • S1600594 in CR1
    • S1600595in CR2
    • S1600597 in CR3
    • S1600598 in CR4
  • 10:50 pm roughing pump on
  • 11:00 pm turbo pump on
  540   Mon Jun 11 14:18:29 2018 AlenaGeneralMeasurementsS1600541
  • 14:18 in chamber
    • S1600541 in CR1
  • 14:18 roughing pump on
  • 14:23 turbo pump on
  539   Thu Jun 7 14:41:53 2018 AlenaGeneralMeasurementsS1800620
  • 14:41 in chamber
    • S1800620 in CR0
  • 14:45 roughing pump on
  • 14:54 turbo pump on
  538   Sun Jun 3 14:45:51 2018 AlenaGeneralMeasurementsS1800619
  • 14:45 in chamber
    • S1800619 in CR0
  • 14:45 roughing pump on
  • 14:55 turbo pump on
  537   Sat Jun 2 16:23:20 2018 AlenaGeneralMeasurementsS1800618
  • 16:20 in chamber
    • S1800618 in CR0
  • 16:20 roughing pump on
  • 16:30 turbo pump on
  536   Fri Jun 1 17:46:19 2018 AlenaGeneralMeasurementsS1800617
  • 17:40 pm in chamber
    • S1800617 in CR0
  • 17:45 roughing pump on
  • 17:57 turbo pump on
  535   Tue May 22 16:11:45 2018 AlenaGeneralMeasurementsS1600526 S1600553 S1600557 S1600558
  • 16:39 in chamber
    • S1600526 in CR1
    • S1600553 in CR2
    • S1600557 in CR3
    • S1600558 in CR4
  • 16:39 roughing pump on
  • 16:46 turbo pump on
  534   Tue May 22 08:40:45 2018 AlenaGeneralMeasurementsS1600587 S1600588 S1600614
  • 09:04 in chamber
    • S1600587 in CR1
    • S1600588 in CR2
    • S1600614 in CR3
  • 09.15 roughing pump on
  • 09:20 turbo pump on
  533   Mon May 21 11:01:36 2018 AlenaGeneralMeasurementsS1600609 S1600611 S1600612 S1600613
  • 11:00 in chamber
    • S1600609in CR1
    • S1600611 in CR2
    • S1600612 in CR3
    • S1600613 in CR4
  • 11:15 roughing pump on
  • 11:26 turbo pump on
  532   Fri May 18 17:06:28 2018 AlenaGeneralMeasurementsS1600528 S1600531 S1600543 S1600544
  • 16:57 in chamber
    • S1600528 in CR1
    • S1600531 in CR2
    • S1600543 in CR3
    • S1600544 in CR4
  • 16:57 roughing pump on
  • 17:06 turbo pump on
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