40m QIL Cryo_Lab CTN SUS_Lab CAML OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop

OMC elog, Page 2 of 11  Not logged in

List |  Find |  Login |  Help

Full | Summary | Threaded     -- All entries -- Last day Last 3 Days Last week Last month Last 3 Months Last 6 Months Last Year -- Type -- General Facility Clean Supply Mechanics Optics Electronics  542 Entries

Goto page Previous  1, 2, 3 ... 9, 10, 11   Next

ID Date Author Type Category Subject Text   35   Thu Nov 8 13:24:53 2012 Koji Optics Characterization More wedge measurement A1 Horiz Wedge    0.497    +/-    0.004 deg      36   Thu Nov 8 19:47:55 2012 Koji Electronics Configuration Solder for PZTs Rich saids: I      37   Thu Nov 8 19:52:57 2012 Koji Optics General How to apply UV epoxy KA's question: Do      38   Thu Nov 8 20:12:10 2012 Koji Optics Configuration How many glass components we need for a plate Optical prisms 50pcs (A14+B12+C6+E18) Curved Mirrors 25pcs (C13+D12)      39   Fri Nov 9 00:43:32 2012 Koji Optics Characterization Further more wedge measurement Now it's enough for the first OMC (or even second one too). Today's measurements all distributed      40   Sat Nov 17 02:31:34 2012 Koji Optics Characterization Mirror T test Mirror T test The mirror was misaligned to have ~2deg incident (mistakenly...) angle.      41   Mon Nov 19 13:33:14 2012 Koji Optics Characterization Resuming testing mirror RoCs In order to resume testing the curvatures of the mirrors, the same mirror as the previous one was tested.      42   Mon Nov 26 01:40:00 2012 Koji Optics Characterization More RoC measurement C1: RoC: 2.57845 +/− 4.2e−05m      43   Thu Nov 29 21:18:23 2012 Koji Optics General OMC Mounting Prisms have come        44   Tue Dec 18 20:04:40 2012 Koji Optics Characterization Prism Thickness Measurement The thicknesses of the prism mirrors (A1-A5) were measured with micrometer thickness gauge. Since the thickness of the thinner      45   Wed Dec 19 18:47:03 2012 Koji Clean General First Contact Training with Margot Steve and I visited Margot to have a training session for application of First Contact on optics.      46   Wed Dec 26 14:33:33 2012 Koji Facility General Lase Interlock wired Two switches are connected in series.      47   Mon Dec 31 01:45:04 2012 Koji General General Work completed in Nov and Dec [!] Completed work of the previous months: [Jul] [Aug]      48   Mon Dec 31 03:10:09 2012 Koji Optics General SolidWorks model of the OMC breadboard        49   Mon Dec 31 03:11:45 2012 Koji Optics Characterization Further more RoC measurement Total (excluding C2, C7, C8): 2.575 +/- 0.005 [m] New results      50   Wed Jan 2 07:35:55 2013 Koji Optics Characterization Thickness of a curved mirror Measured the thickness of a curved mirror: Took three points separated by 120 degree.      51   Wed Jan 2 07:45:39 2013 Koji Optics Characterization First Contact test Conclusion: Good. First contact did not damage the coating surface, and reduced the loss      52   Sun Jan 6 23:22:21 2013 Koji Mechanics General SolidWorks model of the OMC suspension        53   Thu Jan 10 18:37:50 2013 Koji Optics Characterization Wedging of the PZTs Yesterday I measured the thickness of the PZTs in order to get an idea how much the PZTs are wedged.      54   Wed Jan 16 14:10:50 2013 Koji Optics Characterization Autocollimator tests of optics perpendicularity/parallelism The items: - Autocollimator (AC) borrowed from      55   Fri Jan 18 13:25:17 2013 Koji Optics Configuration Autocollimator calibration An autocollimator (AC) should show (0,0) if a retroreflector is placed in front of the AC.      56   Sat Jan 19 20:47:41 2013 Koji Optics Characterization Wedge measurement with the autocollimator The wedge angle of the prism "A1" was measured with the autocollimator (AC). The range of the AC is 40 arcmin.      57   Tue Jan 22 11:10:25 2013 Koji Facility General Eyeware storage and hooks for the face shields are installed A carpenter has come to install the eyeware storage and hooks for the face shields.      58   Tue Jan 22 17:56:32 2013 Koji Mechanics General Rotary stage selection Newport UTR80     Sensitivity: 4 arcsec      59   Mon Feb 4 00:39:08 2013 Koji Optics Characterization Wedge measurement with the autocollimator and the rotation stage Method:     Mount the tombstone prism on the prism mount. The mount is fixed on      60   Wed Feb 6 02:34:10 2013 Koji Optics Characterization Wedge measurement with the autocollimator and the rotation stage Measurement:     A6:   α = 0.665 deg, β = +3.0 arcmin (1.5 div      61   Thu Feb 7 21:35:46 2013 Koji General General Dmass's loan of LB1005 / A2&C2 sent to Fullerton / First Contact @40m Dmass borrowed the LB1005 servo amp from the OMC lab.      62   Thu Feb 7 23:01:45 2013 Koji Optics Characterization UV epoxy gluing test  [Jeff, Yuta, Koji] Gluing test with UV-cure epoxy Optocast 3553-LV-UTF-HM      63   Thu Feb 21 18:44:18 2013 Koji Optics Configuration Perpendicularity test Perpendicularity test of the mounting prisms: The perpendicularity of the prism      64   Wed Feb 27 18:18:48 2013 Koji Optics Configuration More perpendicularity test Mounting Prisms: (criteria: 30arcsec = 145urad => 0.36mm spot shift)      65   Fri Mar 1 23:06:15 2013 Koji Optics Configuration More perpendicularity test final Perpendicularity of the "E" mirror was measured. Mounting Prisms:      66   Fri Mar 1 23:52:18 2013 Koji Optics Characterization Wedge measurement with the autocollimator and the rotation stage Measurement:     E1:   α =  0.672 deg, β = +0.0  arcmin (0 div up)      69   Thu Mar 7 15:53:47 2013 Koji Mechanics General OMC Transportation fixture, OMC PD/QPD mounts        70   Thu Mar 14 17:06:21 2013 Koji Mechanics General OMC SUS work @LLO EDIT (ZK): All photos on Picasa. Also, I discovered that      71   Thu Mar 14 22:18:23 2013 Koji General General New loans for the diode test ALL returned Loan from ATF:      72   Fri Mar 15 02:15:45 2013 Koji Electronics Characterization Diode testing Diode testing o Purpose of the measurement - Test Si QPDs (C30845EH) for ISC      73   Sun Mar 17 21:59:47 2013 Koji Electronics Characterization Diode testing ~ DCPD - For the dark noise measurement, the lid of the die-cast case should also contact to the box for better shielding. This made      75   Sat Mar 23 02:32:23 2013 Koji Facility General N2 cylinder delivered Preparation for ionized N2 blow - 99.9998% N2 cylinder delivered (ALPHAGAZ 2 grade by AIR LIQUIDE) ALPHAGAZ      76   Sat Mar 23 02:41:00 2013 Koji Optics General Black glass beam dumps for the first OMC Received black glass beam dumps from MIT - gluing by EP30-2 looks pretty fine.      77   Sat Mar 23 13:34:14 2013 Koji Optics General PZT assembly prototype glued   Prototype PZT assembly      78   Sat Mar 23 16:36:15 2013 Koji Electronics Characterization Diode QE measurement Quantum efficiencies of the C30665GH diodes were measured.  - The diode was biased by the FEMTO      79   Mon Mar 25 02:04:05 2013 Koji General General OMC building plan / procedure ~ WB18 WB 18 March      Diode test              Dark current      80   Mon Mar 25 18:34:25 2013 Koji General General OMC building plan / procedure ~ Mar 25 Mon 25 March (Mon):  Inspect the test PZT assembly     => Give it to Bob.       81   Mon Mar 25 19:31:16 2013 Koji Optics General OMC Top-side gluing [Koji Jeff Zach]   AAA      82   Tue Mar 26 22:33:07 2013 Koji General General Loan for the OMC building Loan from PSL Lab - 300mm mirror with Ultima mount and pedestal      83   Wed Mar 27 20:54:45 2013 Koji General General OMC building plan / procedure ~ Mar 26 Mon 26 March (Tue): - Curved mirror characterization (Koji, done)      84   Wed Mar 27 20:54:54 2013 Koji General General OMC building plan / procedure ~ Mar 27 Wed 27 March (Wed) - AOM drift investigation (Lisa, Zach)      85   Wed Mar 27 20:55:10 2013 Koji General General OMC building plan / procedure ~ Mar 28 Thu 28 March (Thu):      Rebuild the bottom template in the lab     Place the bottom      88   Mon Apr 1 03:13:41 2013 Koji Optics General Failure of PZT-glass joints [Koji, Jeff, Zach, Lisa] We glued a test PZT-mirror assembly last week in order to make sure the heat      89   Mon Apr 1 03:23:48 2013 Koji Optics General UV power calibration [Koji Lisa Jeff Zach] Eric G bought a UV power meter from American Ultraviolet.

Goto page Previous  1, 2, 3 ... 9, 10, 11   Next

ELOG V3.1.3-