| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
4481
|
Fri Apr 1 18:54:41 2011 |
Bryan | Configuration | Green Locking | Y end doubling oven | The doubling oven is now ready to go for
the Y arm. The PPKTP crystal is mounted in
the oven: |
|
|
5929
|
Thu Nov 17 17:21:22 2011 |
kiwamu | Update | Green Locking | Y end green PDH servo : it's okay |
|
|
|
5945
|
Fri Nov 18 11:28:39 2011 |
rana | Update | Green Locking | Y end green PDH servo : it's okay |
|
|
|
5946
|
Fri Nov 18 12:11:24 2011 |
Zach | Update | Green Locking | Y end green PDH servo : it's okay |
|
|
|
11865
|
Tue Dec 8 23:24:08 2015 |
gautam | Update | Green Locking | Y end laser (Lightwave) PZT calibration | Summary:
I
measured the PZT actuator gain for the Lightwave |
|
|
11877
|
Sun Dec 13 21:55:28 2015 |
gautam | Update | Green Locking | Y end laser (Lightwave) PZT calibration | Summary:
After
the discussions at the Wednesday meeting, |
|
|
11906
|
Mon Jan 4 16:09:54 2016 |
gautam | Update | Green Locking | Y end laser (Lightwave) PZT calibration | Summary:
I
redid this measurement and have now determined |
|
|
5852
|
Wed Nov 9 16:49:17 2011 |
kiwamu | Update | Green Locking | Y end laser temperature with slow input connected | Indeed it is strange. I took a quick look
at it.
In |
|
|
2791
|
Mon Apr 12 17:37:52 2010 |
josephb | Update | Computers | Y end simulated plant progress | Currently, the y end plant is yep.mdl.
In order to compile it |
|
|
2798
|
Tue Apr 13 12:49:35 2010 |
josephb | Update | Computers | Y end simulated plant progress |
|
|
|
14205
|
Fri Sep 21 09:59:09 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | [Yuki, Gautam]
Attachments #1 is the current setup
of AUX Y Green locking and it has |
|
|
14212
|
Sun Sep 23 19:32:23 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | [ Yuki, Gautam ]
The setup I designed before has
abrupt gouy phase shift between two steering |
|
|
14214
|
Mon Sep 24 11:09:05 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | [ Yuki, Steve ]
With Steve's help, we checked
a new lens can be set soon after dichroic |
|
|
14216
|
Tue Sep 25 18:08:50 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | [ Yuki, Gautam ]
We want to remotely control steeing
PZT mirrors so its driver is needed. |
|
|
14226
|
Wed Oct 3 14:24:40 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | Interim Procedure Report:
Purpose
The current setup of AUX Y-arm |
|
|
14257
|
Mon Oct 15 20:11:56 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | Final Procedure Report for Green Locking
in YARM:
Purpose |
|
|
14260
|
Wed Oct 17 20:46:24 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | To do for Green Locking in YARM:
The auto-alignment servo should
be completed. This servo requires many parameters |
|
|
9844
|
Wed Apr 23 23:48:30 2014 |
manasa | Update | LSC | Y end whitening board | The MON outputs of the Y end QPD whitening
board were hot earlier today while pulling
it out of the crate. After swapping |
|
|
9849
|
Thu Apr 24 14:23:09 2014 |
not manasa | Update | LSC | Y end whitening board |
maybe the tantalum caps on
the daughter board power supply lines are |
|
|
9852
|
Thu Apr 24 23:55:31 2014 |
Koji | Update | LSC | Y end whitening board | The main problem was a panel fixing bolt
that caused the short circuits between power |
|
|
10444
|
Wed Sep 3 04:17:21 2014 |
Jenne | Update | LSC | Y green ALS (not PDH) needs investigation | Q put the X PDH box back, so that I could
try locking, and remember which end is up
after a week away. |
|
|
6775
|
Thu Jun 7 01:46:05 2012 |
yuta | Summary | Green Locking | Y green beat - found it!! | I found the big big Y green beat. Details
will be posted later.
|
|
|
6777
|
Thu Jun 7 02:59:31 2012 |
yuta | Update | Green Locking | Y green beat - found it!! | Summary:
I found the big green beat
note for the Y arm. The alignment of the |
|
|
6746
|
Sat Jun 2 03:19:37 2012 |
yuta | Update | Green Locking | Y green beat note found? - too small | Summary:
I tried to find Y arm green
beat in order to do the mode scan. |
|
|
11464
|
Thu Jul 30 10:38:18 2015 |
Steve | Update | PEM | Y sesimostation is back on | Koji soldered new 50" long cable for
the Y station.
|
|
|
11466
|
Thu Jul 30 13:34:52 2015 |
Koji | Update | PEM | Y sesimostation is back on | Please check the spectra. If something
is wrong, please swap the cables between
X and Y in order to see if the cable is still |
|
|
11469
|
Thu Jul 30 15:24:54 2015 |
Steve | Update | PEM | Y sesimostation is back on | Atm1, New short-50" long cable
was installed at ETMY end ( Y-station ) between
Guralp-B ( MIT ) and granite base. |
|
|
5066
|
Sat Jul 30 05:11:45 2011 |
Suresh | Update | Green Locking | Y- end table clean-up | The optics on the Y-end table which required
to be moved have been repositioned. |
|
|
4520
|
Wed Apr 13 16:56:08 2011 |
Bryan | Configuration | Green Locking | Y-ARM Green-Locked! | Locked!
The Y-arm can |
|
|
7187
|
Wed Aug 15 04:03:55 2012 |
rana | Summary | LSC | Y-Arm Locking | 0) Did a bunch of alignment to get beams
roughly centered on ETMY and ITMY and maximize
power. Adjusted the aperture and focus on |
|
|
5937
|
Fri Nov 18 00:36:23 2011 |
Zach | Update | Green Locking | Y-Arm PDH box modified | I modified the Y-Arm PDH box (S/N 17) |
|
|
5956
|
Sat Nov 19 00:47:24 2011 |
Zach | Update | Green Locking | Y-Arm locked with PDH Box #17 | I installed the newly modified PDH |
|
|
12188
|
Thu Jun 16 11:25:00 2016 |
Johannes | Update | LSC | Y-Arm round-trip loss measurement with ALS | Using the ALS green beat and armlength
feedback I mapped an IR resonance of the
Y-Arm by stepping through a ramp of offset |
|
|
4435
|
Wed Mar 23 19:16:17 2011 |
Aidan | Summary | Green Locking | Y-END green equipment is all available | With the exception of a 2" mirror
mount, I've confirmed that we have everything
for the Y-end green production and mode-matching. |
|
|
4436
|
Thu Mar 24 01:16:19 2011 |
Suresh | Summary | Green Locking | Y-END green equipment is all available | There was a 2" mirror mount among the spares
on the PSL table. It has a window LW-3-2050
UV mounted in it. I
|
|
|
9232
|
Fri Oct 11 00:37:21 2013 |
Masayuki | Update | Green Locking | Y-arm ALS | [Manasa, Masayuki]
-
Motivation |
|
|
9240
|
Tue Oct 15 01:39:07 2013 |
Masayuki | Update | Green Locking | Y-arm ALS |
- Motivation |
|
|
14738
|
Tue Jul 9 18:06:05 2019 |
gautam | Update | LSC | Y-arm ASS in a workable state | The Y-arm ASS was tuned to be in a workable
state. Basically, I followed Koji's recipe. |
|
|
9054
|
Thu Aug 22 20:25:28 2013 |
Masayuki | Summary | Green Locking | Y-arm PDH OLTF measurement | [Manasa, Masayuki]
We measured the the openloop transfer
function of the PDH green lock of the y-arm.The |
|
|
12884
|
Mon Mar 13 16:47:41 2017 |
Steve | Update | PEM | Y-arm air conditon belts replaced | The east end AC unit is arching over and
running rough at CES. Called for mechanic.......
Both belts were replaced and the |
|
|
13048
|
Wed Jun 7 14:11:49 2017 |
gautam | Update | ASS | Y-arm coil driver electronics investigation | Rana suggested taking a look at the Y-arm
test mass actuator TFs (measured by driving
the coils one at a time, with only local |
|
|
13051
|
Wed Jun 7 17:45:11 2017 |
gautam | Update | ASS | Y-arm coil driver electronics investigation | I repeated the test of driving C1:SUS-<Optic>_<coil>_EXC
individually and measuring |
|
|
13052
|
Thu Jun 8 02:11:28 2017 |
gautam | Update | ASS | Y-arm coil driver electronics investigation |
p.p1
{margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px
'Helvetica Neue'; -webkit-text-stroke: #000000}
p.p3 |
|
|
9164
|
Thu Sep 26 10:55:29 2013 |
Steve | Update | General | Y-arm floor space for test | Liyuon will set up a ~5 mW He/Ne
laser for waist measurement |
|
|
11879
|
Mon Dec 14 16:27:11 2015 |
gautam | Update | Green Locking | Y-end AUX PDH noise breakdown | Summary:
I've
attached the results from my measurements |
|
|
11907
|
Mon Jan 4 16:45:11 2016 |
gautam | Update | Green Locking | Y-end AUX PDH noise breakdown | Summary:
I've
re-measured the noise breakdown for the Y-end |
|
|
8817
|
Wed Jul 10 01:27:44 2013 |
gautam | Update | Green Locking | Y-end Green PDH open-loop transfer function | [Annalisa, gautam]
Summary:
We have measured the open-loop transfer |
|
|
14943
|
Sat Oct 5 21:26:34 2019 |
gautam | Update | ALS | Y-end green alignment tweaked | Summary:
I improved the alignment of the
green beam into the Y arm cavity. |
|
|
4994
|
Wed Jul 20 06:17:04 2011 |
Suresh | Update | Green Locking | Y-end green laser power issues | The Y-end green beam power is 0.47 mW.
While
aligning the Y-end aux laser light into the
fiber we noticed that the green power out |
|
|
14230
|
Thu Oct 4 22:15:30 2018 |
yuki | Configuration | ASC | Y-end table upgrade | Before changing setup at Y-end table, I
measured the status value of the former setup
as follows. These values will be compared |
|