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  Coating Ring-down Measurement Lab elog, Page 16 of 18  Not logged in ELOG logo
ID Date Author Type Category Subjectup Text Attachments
  455   Tue Jan 30 15:05:34 2018 GabrieleGeneralMeasurementsS1800515 S1800516 S1800517 S18005182018-01-30

50 mm fused silica
disks from University Wafer


2:50pm in chamber

S1800515
  
  595   Thu Nov 29 16:16:24 2018 GabrieleGeneralMeasurementsS1800515 S1800516 S1800519 S18005202018-11-29


In chamber

S1800515
in CR1
S1800516 in CR2
S1800519
in CR3
S1800520 in CR4


roughing
  
  490   Sat Mar 24 17:13:49 2018 GabrieleGeneralMeasurementsS1800515 S18005192018-03-24


5:10pm in
chamber

S1800515 in CR1
S1800519
in CR2


5:13pm
  
  830   Fri Jan 24 15:16:23 2020 GabrieleGeneralMeasurementsS1800515 S18005192020-01-24


3:15pm in
chamber

S1800515 in CR1
S1800519
in CR2


3:16pm
  
  842   Mon Mar 9 08:47:15 2020 GabrieleGeneralMeasurementsS1800515 S18005192020-01-30


8:45 am
in chamber

S1800515 in CR1
S1800519
in CR2


8:46 am
  
  523   Tue May 1 16:25:47 2018 AlenaGeneralMeasurementsS18005162018-05-01


16:10 pm
in chamber

S1800516 in CR0


16:20
pm roughing pump on
16:40 pm turbo
  
  526   Fri May 4 13:54:55 2018 AlenaGeneralMeasurementsS1800516 AK_01 AK_03  2018-05-04


02:21
pm in chamber:

AK_01 in CR1
AK_03
in CR3


02:25 pm
  
  478   Tue Mar 6 16:01:47 2018 GabrieleGeneralMeasurementsS1800516 S1800520 a-Si 2" 2018-03-06

2 inches fused silica
disks with a-Si coating
  
  468   Wed Feb 28 14:10:00 2018 GabrieleGeneralMeasurementsS1800519 S1800515 a-Si 2"2018-02-28

2 inches
fused silica disks with a-Si coating


2:10pm in chamber (not
  
  457   Wed Jan 31 12:38:13 2018 GabrieleGeneralMeasurementsS1800519 S1800520 S1800521 S18005222018-01-31

50 mm fused silica
disks from University Wafer


12:35pm in chamber

S1800519
  
  524   Wed May 2 10:08:20 2018 AlenaGeneralMeasurementsS18005202018-05-02


10:05 am
in chamber

S1800520 in CR0


10:06
am roughing pump on
10:20 am 
  
  525   Thu May 3 17:37:18 2018 AlenaGeneralMeasurementsS18005202018-05-02


17:37 added
ND because QPD was oversaturated. Repeating
the measurement without venting

S1800520
  
  530   Mon May 14 13:42:42 2018 AlenaGeneralMeasurementsS1800520
01:41 pm in chamber

S1800520
in CR0


01:41 pm
roughing pump on
01:59 pm turbo
  
  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
  
  550   Tue Jul 10 13:50:32 2018 GabrieleGeneralMeasurementsS1800614 S1800619 S1600600Measurement for S1600600 started at 11:50am




  
  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
  
  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
  
  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
  
  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
  
  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
  
  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
  
  512   Thu Apr 5 08:41:10 2018 GabrieleGeneralMeasurementsS18006342018-04-05


8:35am in
chamber

S1800634 in CR2


8:39am
roughing pump on
7:49pm turbo
  
  514   Sat Apr 7 09:15:56 2018 GabrieleGeneralMeasurementsS18006342018-04-07


9:10am in
chamber

S1800634 in CR2


9:15am
roughing pump on
9:25am turbo
  
  515   Mon Apr 9 15:34:57 2018 AlenaGeneralMeasurementsS18006342018-04-09


3:30 pm
in chamber

S1800634 in CR1


3:30
pm roughing pump on
3:45 pm turbo
  
  516   Thu Apr 12 08:36:16 2018 GabrieleGeneralMeasurementsS18006342018-04-12


8:30 am
in chamber

S1800634 in CR1


8:35
am roughing pump on
8:45 pm turbo
  
  520   Sat Apr 14 18:31:25 2018 GabrieleGeneralMeasurementsS18006342018-04-14


6:40pm in
chamber CR0
6:45pm roughing pump
on
6:59pm turbo pump on
  
  597   Fri Dec 7 09:27:26 2018 GabrieleGeneralMeasurementsS1800634 Zirconia2018-12-07


in chamber

S1800634
in CR1


9:26am
roughing pump on
9:36am turbo
  
  599   Thu Dec 13 12:43:06 2018 GabrieleGeneralMeasurementsS18120712018-12-13


S1812071
in chamber CR0
roughing pump on
at 12:42pm
turbo pump on at 1:07pm
  
  603   Thu Dec 20 16:53:15 2018 GabrieleGeneralMeasurementsS18120712018-12-20


in chamber

S1812071
in CR0


4:52pm
roughing pump on
5:18pm turbo
  
  596   Fri Nov 30 15:54:04 2018 GabrieleGeneralMeasurementsS1812071 S18120722018-11-30


in chamber

S1812071
in CR1
S1812072 in CR2


roughing
pump on 3:58pm
turbo pump on 4:07pm
  
  616   Wed Jan 30 10:00:34 2019 GabrieleGeneralMeasurementsS18120722019-01-30


9:58am in
chamber

S1812072 in CR0


10:00am
roughing pump on
10:25am turbo
  
  620   Tue Feb 12 08:23:00 2019 AlenaGeneralMeasurementsS1900046, S1900047, S1900048, S19000492019-02-12


08:45 am
in chamber

S1900046 in CR1
S1900047
in CR2
S1900048 in CR3
S1900049
  
  651   Thu Apr 4 10:24:55 2019 GabrieleGeneralMeasurementsS1900046, S1900047, S1900048, S19000492019-04-04


10:24 am
in chamber

S1900046 in CR1
S1900047
in CR2
S1900048 in CR3
S1900049
  
  625   Wed Feb 20 09:08:57 2019 GabrieleGeneralMeasurementsS1900046, S1900047, S1900048, S1900049 2019-02-12


09:05 am
in chamber

S1900046 in CR1
S1900047
in CR2
S1900048 in CR3
S1900049
  
  640   Wed Mar 20 13:10:01 2019 AlenaGeneralMeasurementsS1900071 S19000722019-03-20


1:20 pm
in chamber

S1900071 in CR1
S1900072
in CR2


1:36 pm
  
  637   Mon Mar 11 16:24:02 2019 GabrieleGeneralMeasurementsS1900072 S19000712019-03-11


4:23pm in
chamber

S1900072 in CR1
S1900071
in CR2


4:25pm
  
  643   Mon Mar 25 08:27:19 2019 GabrieleGeneralMeasurementsS19001952019-03-25


8:20am in
chamber CR0
8:22am roughing pump
on
8:50am turbo pump on
  
  647   Fri Mar 29 16:26:22 2019 GabrieleGeneralMeasurementsS19001952019-03-29


4:20pm in
chamber CR0
4:23pm roughing pump
on
4:45pm turbo pump on
  
  655   Tue Apr 9 09:19:39 2019 GabrieleGeneralMeasurementsS1900198 S1900199 S1900200 S19002012019-04-09


9:18 am
in chamber

S1900198 in CR1
S1900199
in CR2
S1900200 in CR3
S1900201
  
  825   Mon Jan 13 12:40:56 2020 GabrieleGeneralMeasurementsS2000085 S2000086 S2000087 S20000882020-01-13


12:40pm
in chamber

S2000085 in CR1
S2000086
in CR2
S2000087 in CR3
S2000088
  
  826   Tue Jan 14 10:10:25 2020 Seth LinkerGeneralMeasurementsS2000089, S2000090, S2000091, S20000922020-01-14


10:10 am
in chamber

S2000089 in CR1
S2000090
in CR2
S2000091 in CR3
S2000092
  
  828   Fri Jan 17 09:16:45 2020 Seth LinkerGeneralMeasurementsS2000093, S20000942020-01-17


9:16 am
in chamber

S2000093 in CR1
S2000094
in CR2


9:17 am
  
  419   Fri Aug 18 14:15:47 2017 ZachElectronicsModelingSame Voltage ESD Sweep2017-08-18


I ran a
sweep of the central position in the two
ESD setup with both set at the same voltage.
 two_positive_ratio_sweep.pdf-2mm_two_positive.jpg3mm_two_positive.jpg-2mm_two_positive.jpg 
  135   Tue Oct 18 16:52:16 2016 GabrieleGeneralMeasurementsSample inspections from annealing run 10/10/2016LIGO-T1600466


S1600432 shows some residual
on face, close to the edge, probably from
  
  139   Thu Oct 20 11:04:03 2016 GabrieleGeneralMeasurementsSample with flame polished edgesSample with edges flame polished in Glasgow

Installation


into
the chamber and balanced at 11am. Pump down
started at 11:00am.
it looks like
 7x 
  256   Fri Jan 6 12:19:22 2017 Alena, Bob, Stephen and CalumGeneralDaily ProgressSecond vacuum chamberCleaning and baking (200 C air foe SS and
120 for Al) parts for the new vacuum chamber

 bake.jpg 
  120   Wed Sep 21 14:42:47 2016 GabrieleGeneralGeneralSerialized (etched) disk installedJust for fun, I installed the disk thas
has been etched in the center with "1234".
I figured out that the ESD PCB was probably
  
  454   Tue Jan 30 09:19:09 2018 GabrieleOpticsConfigurationSetup for 50mm disksI realigned all optical levers to measure
the 50mm disks. In brief, I moved the input
2" mirrors, the in-vacuum 2" mirrors
  
  459   Tue Feb 13 16:28:49 2018 GabrieleOpticsConfigurationSetup resigned for 75mm disks    
  373   Fri Jul 21 14:55:02 2017 GabrieleGeneralMeasurementsShear and bulk losses in annealed tantalaI repeated the analysis for bulk and shear
losses described in an early
elog entry, with the same coating, but
 8x 
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