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ID Date Author Type Category Subject Text   455   Tue Jan 30 15:05:34 2018 Gabriele General Measurements S1800515 S1800516 S1800517 S1800518 2018-01-30 50 mm fused silica disks from University Wafer 2:50pm in chamber S1800515      595   Thu Nov 29 16:16:24 2018 Gabriele General Measurements S1800515 S1800516 S1800519 S1800520 2018-11-29 In chamber S1800515 in CR1 S1800516 in CR2 S1800519 in CR3 S1800520 in CR4 roughing      490   Sat Mar 24 17:13:49 2018 Gabriele General Measurements S1800515 S1800519 2018-03-24 5:10pm in chamber S1800515 in CR1 S1800519 in CR2 5:13pm      830   Fri Jan 24 15:16:23 2020 Gabriele General Measurements S1800515 S1800519 2020-01-24 3:15pm in chamber S1800515 in CR1 S1800519 in CR2 3:16pm      842   Mon Mar 9 08:47:15 2020 Gabriele General Measurements S1800515 S1800519 2020-01-30 8:45 am in chamber S1800515 in CR1 S1800519 in CR2 8:46 am      523   Tue May 1 16:25:47 2018 Alena General Measurements S1800516 2018-05-01 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 Alena General Measurements S1800516 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 Gabriele General Measurements S1800516 S1800520 a-Si 2" 2018-03-06 2 inches fused silica disks with a-Si coating      468   Wed Feb 28 14:10:00 2018 Gabriele General Measurements S1800519 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 Gabriele General Measurements S1800519 S1800520 S1800521 S1800522 2018-01-31 50 mm fused silica disks from University Wafer 12:35pm in chamber S1800519      524   Wed May 2 10:08:20 2018 Alena General Measurements S1800520 2018-05-02 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 Alena General Measurements S1800520 2018-05-02 17:37 added ND because QPD was oversaturated. Repeating the measurement without venting S1800520      530   Mon May 14 13:42:42 2018 Alena General Measurements S1800520 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 Alena General Measurements S1800614 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 Gabriele General Measurements S1800614 S1800619 S1600600 Measurement for S1600600 started at 11:50am      548   Fri Jun 29 10:52:00 2018 Alena General Measurements S1800614 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 Alena General Measurements S1800617 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 Alena General Measurements S1800618 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 Alena General Measurements S1800619 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 Alena General Measurements S1800620 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 Alena General Measurements S1800620 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 Gabriele General Measurements S1800634 2018-04-05 8:35am in chamber S1800634 in CR2 8:39am roughing pump on 7:49pm turbo      514   Sat Apr 7 09:15:56 2018 Gabriele General Measurements S1800634 2018-04-07 9:10am in chamber S1800634 in CR2 9:15am roughing pump on 9:25am turbo      515   Mon Apr 9 15:34:57 2018 Alena General Measurements S1800634 2018-04-09 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 Gabriele General Measurements S1800634 2018-04-12 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 Gabriele General Measurements S1800634 2018-04-14 6:40pm in chamber CR0 6:45pm roughing pump on 6:59pm turbo pump on      597   Fri Dec 7 09:27:26 2018 Gabriele General Measurements S1800634 Zirconia 2018-12-07 in chamber S1800634 in CR1 9:26am roughing pump on 9:36am turbo      599   Thu Dec 13 12:43:06 2018 Gabriele General Measurements S1812071 2018-12-13 S1812071 in chamber CR0 roughing pump on at 12:42pm turbo pump on at 1:07pm      603   Thu Dec 20 16:53:15 2018 Gabriele General Measurements S1812071 2018-12-20 in chamber S1812071 in CR0 4:52pm roughing pump on 5:18pm turbo      596   Fri Nov 30 15:54:04 2018 Gabriele General Measurements S1812071 S1812072 2018-11-30 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 Gabriele General Measurements S1812072 2019-01-30 9:58am in chamber S1812072 in CR0 10:00am roughing pump on 10:25am turbo      620   Tue Feb 12 08:23:00 2019 Alena General Measurements S1900046, S1900047, S1900048, S1900049 2019-02-12 08:45 am in chamber S1900046 in CR1 S1900047 in CR2 S1900048 in CR3 S1900049      651   Thu Apr 4 10:24:55 2019 Gabriele General Measurements S1900046, S1900047, S1900048, S1900049 2019-04-04 10:24 am in chamber S1900046 in CR1 S1900047 in CR2 S1900048 in CR3 S1900049      625   Wed Feb 20 09:08:57 2019 Gabriele General Measurements S1900046, 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 Alena General Measurements S1900071 S1900072 2019-03-20 1:20 pm in chamber S1900071 in CR1 S1900072 in CR2 1:36 pm      637   Mon Mar 11 16:24:02 2019 Gabriele General Measurements S1900072 S1900071 2019-03-11 4:23pm in chamber S1900072 in CR1 S1900071 in CR2 4:25pm      643   Mon Mar 25 08:27:19 2019 Gabriele General Measurements S1900195 2019-03-25 8:20am in chamber CR0 8:22am roughing pump on 8:50am turbo pump on      647   Fri Mar 29 16:26:22 2019 Gabriele General Measurements S1900195 2019-03-29 4:20pm in chamber CR0 4:23pm roughing pump on 4:45pm turbo pump on      655   Tue Apr 9 09:19:39 2019 Gabriele General Measurements S1900198 S1900199 S1900200 S1900201 2019-04-09 9:18 am in chamber S1900198 in CR1 S1900199 in CR2 S1900200 in CR3 S1900201      825   Mon Jan 13 12:40:56 2020 Gabriele General Measurements S2000085 S2000086 S2000087 S2000088 2020-01-13 12:40pm in chamber S2000085 in CR1 S2000086 in CR2 S2000087 in CR3 S2000088      826   Tue Jan 14 10:10:25 2020 Seth Linker General Measurements S2000089, S2000090, S2000091, S2000092 2020-01-14 10:10 am in chamber S2000089 in CR1 S2000090 in CR2 S2000091 in CR3 S2000092      828   Fri Jan 17 09:16:45 2020 Seth Linker General Measurements S2000093, S2000094 2020-01-17 9:16 am in chamber S2000093 in CR1 S2000094 in CR2 9:17 am      419   Fri Aug 18 14:15:47 2017 Zach Electronics Modeling Same Voltage ESD Sweep 2017-08-18 I ran a sweep of the central position in the two ESD setup with both set at the same voltage.      135   Tue Oct 18 16:52:16 2016 Gabriele General Measurements Sample inspections from annealing run 10/10/2016 LIGO-T1600466 S1600432 shows some residual on face, close to the edge, probably from      139   Thu Oct 20 11:04:03 2016 Gabriele General Measurements Sample with flame polished edges Sample 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 Calum General Daily Progress Second vacuum chamber Cleaning and baking (200 C air foe SS and 120 for Al) parts for the new vacuum chamber      120   Wed Sep 21 14:42:47 2016 Gabriele General General Serialized (etched) disk installed Just 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 Gabriele Optics Configuration Setup for 50mm disks I 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 Gabriele Optics Configuration Setup resigned for 75mm disks        373   Fri Jul 21 14:55:02 2017 Gabriele General Measurements Shear and bulk losses in annealed tantala I repeated the analysis for bulk and shear losses described in an early elog entry, with the same coating, but  8x

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