| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
7537
|
Fri Oct 12 15:31:03 2012 |
Rijuparna | Configuration | | cavitymode scan | Rijuparna, Manasa
Today I have checked the optical
layout of the MC transmission RFPD table |
|
|
7704
|
Tue Nov 13 11:30:54 2012 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser | I'm set on the mission to get the new bigger endtables setup |
|
|
7705
|
Tue Nov 13 16:18:51 2012 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : Circularize the 1W NPRO beam profile | With reference to measurements made earlier: elog,
Beam parameters for Innolight 1W |
|
|
7706
|
Tue Nov 13 20:13:07 2012 |
Koji | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : Circularize the 1W NPRO beam profile | These fs are too short.
|
|
|
7726
|
Mon Nov 19 20:03:53 2012 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : ETMX layout on new table | I have attached the possible layout of
the optics on the new ETMX endtable. More
optics have been added when compared to the |
|
|
7727
|
Mon Nov 19 20:17:53 2012 |
Jenne | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : ETMX layout on new table |
For convenience, I would include
a steering mirror in front of the TRX PD. |
|
|
7728
|
Mon Nov 19 22:42:14 2012 |
Koji | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : ETMX layout on new table |
I don't like the idea to
place the cylindrical lenses right in front
of the laser. |
|
|
7731
|
Tue Nov 20 11:40:19 2012 |
rana | Configuration | Green Locking | End table upgrade for auxiliary green laser : ETMX layout on new table |
Mounts:
No more mounts using the |
|
|
7813
|
Wed Dec 12 11:04:45 2012 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : ETMX layout on new table | I have updated the layout to fix all the
issues brought up. The last couple of 2"
green steering mirrors will hold the PZTs |
|
|
7815
|
Wed Dec 12 14:59:49 2012 |
Manasa | Configuration | 40m Upgrading | New tip-tilts layout in BSC | I have updated the BSC layout to include
the new tip-tilts. The bigger footprints
of the tiptilts are on in |
|
|
7866
|
Thu Dec 20 19:46:20 2012 |
rana | Configuration | Environment | Control Room Projector | Needs
|
|
|
7889
|
Thu Jan 10 12:41:06 2013 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : wiki page |
I have created a wiki page linked here with |
|
|
8228
|
Tue Mar 5 00:24:52 2013 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : customized mount | Drawing of customized mount for endtable
doubler crystal (PV40+PVP2+NP9071) modified
and updated on the endtable upgrade wiki |
|
|
8303
|
Mon Mar 18 12:02:12 2013 |
Annalisa | Configuration | ABSL | ABSL setup for g-factor measurement of PRC | Motivations
The ABSL
technique has been already used in the past
to measure the |
|
|
8379
|
Mon Apr 1 09:05:09 2013 |
Jenne, Gabriele | Configuration | LSC | POP22 configuration | On Friday we modified the POP22 set up:
now the PD output goes to a bias tee. The
DC output goes to the ADC board, while the |
|
|
8404
|
Wed Apr 3 17:40:18 2013 |
Jamie | Configuration | Electronics | putting together a 110 MHz LSC demod board | I started to look into putting together
a 110 MHz demod board to be used as POP110
(see #8399). |
|
|
8407
|
Wed Apr 3 18:41:22 2013 |
Jamie | Configuration | Electronics | putting together a 110 MHz LSC demod board | This SCPQ-150+,
which is surface mount, might also work in
place of the PSCQ-2-120, which is through-mount. |
|
|
8409
|
Wed Apr 3 22:26:51 2013 |
rana | Configuration | Electronics | putting together a 110 MHz LSC demod board | For the 110 MHz demod boards, we
would ideally have a plugin bandpass filter.
If you have some specs in mind, you can email |
|
|
8415
|
Thu Apr 4 14:37:15 2013 |
Jamie | Configuration | Electronics | putting together a 110 MHz LSC demod board | I'm having Steve order the following:
2x SXBP-100+
2x SCLF-135+ |
|
|
8426
|
Tue Apr 9 00:32:39 2013 |
rana | Configuration | IOO | Turn on MCL | Listening to the free swinging Y-arm,
its clear that the fringe velocity is higher
with the MCL path off, than on. I checked |
|
|
8434
|
Wed Apr 10 03:59:41 2013 |
Den | Configuration | IOO | Turn on MCL |
|
|
|
8437
|
Wed Apr 10 15:49:22 2013 |
Annalisa | Configuration | COMSOL Tips | Yend table eigenfrequency simulation with COMSOL | I made a Simulation with COMSOL for
the Yend table. Mainly, I tried to see how
the lower eigenmode changes with the number |
|
|
8468
|
Mon Apr 22 11:26:25 2013 |
Koji | Configuration | CDS | some RT processes restarted | When I came to the 40m, I found most of
the FB signals are dead.
The suspensions were not dumped but |
|
|
8478
|
Tue Apr 23 16:31:13 2013 |
Eric | Configuration | | PD frequency response | [Eric, Riju]
Summary: Routing Fibers on AP table
for Photo Diode Frequency Response Measurement |
|
|
8480
|
Tue Apr 23 22:59:05 2013 |
rana | Configuration | SUS | Optical Lever Gains normalized | Due to the recent addition |
|
|
8487
|
Wed Apr 24 18:51:12 2013 |
Koji | Configuration | optical tables | PD frequency response | The fibers should be routed beneath the
electrical cables.
They should be fixed on the table |
|
|
8492
|
Thu Apr 25 17:56:28 2013 |
Riju | Configuration | | PD frequency response | [Eric, Riju]
Today we have routed the fibers from
1x16 fiber splitter to POX table for POX11 |
|
|
8493
|
Thu Apr 25 18:58:06 2013 |
Koji | Configuration | | PD frequency response | No.... what I told was to put the roll
next
to the splitter, |
|
|
8497
|
Fri Apr 26 17:08:42 2013 |
Riju | Configuration | | PD frequency response |
|
|
|
8499
|
Fri Apr 26 21:38:06 2013 |
Jenne | Configuration | RF System | PD frequency response | I was sad to see that there wasn't a photo
of the POX situation after the fiber work
was done on Thursday. |
|
|
8506
|
Mon Apr 29 17:26:22 2013 |
Riju | Configuration | RF System | PD frequency response | Today I have rerouted the fibers
on AP table to remove the fiber rolls out
of the AP table. I removed the fibers |
7x |
|
8509
|
Mon Apr 29 23:02:48 2013 |
Koji | Configuration | LSC | Questons | Q. How much Schnupp asymmetry we want in
order to improve the signal ratio between
PRCL/MICH in REFL ports? |
|
|
8512
|
Tue Apr 30 19:39:14 2013 |
Riju | Configuration | RF System | PD frequency response | Today I have rerouted the fibers on POX
table. The aim was to lay it overhead through
the plastic pipe. A pipe ~50ft (~15.5m) long |
|
|
8513
|
Tue Apr 30 21:24:15 2013 |
Jenne | Configuration | RF System | POX fiber laying | Nice work. That was a lot of effort,
but having done it so nicely will definitely
pay off, since it is now much harder to break |
|
|
8515
|
Tue Apr 30 23:04:23 2013 |
Jenne | Configuration | RF System | Only 4 25m cables ordered | I have found in the depths of the elog
the (original?) list of fibers and lengths
that were decided upon: elog |
|
|
8520
|
Wed May 1 17:36:26 2013 |
Riju | Configuration | RF System | PD frequency response | Today I routed fiber from 1x16 splitter
to POY table. Manasa helped me doing that.
The fiber(25m) was laid on overhead |
|
|
8529
|
Sat May 4 00:21:00 2013 |
rana | Configuration | Computers | workstation updates | Koji and I went into "Update
Manager" on several of the Ubuntu workstations
and unselected the "check for updates" |
|
|
8547
|
Tue May 7 23:03:12 2013 |
Koji | Configuration | CDS | CDS work | Summary:
c1rfm / c1lsc / c1ass / c1sus were |
|
|
8549
|
Wed May 8 17:03:35 2013 |
Jamie | Configuration | CDS | make direct IPC connections between c1lsc and c1sus/c1mcs | Previously, for some reason, many IPC connections
were routed through the c1rfm model, even
if a direct IPC connection was possible. |
|
|
8550
|
Wed May 8 17:23:04 2013 |
Jamie | Configuration | CDS | fixed direct IPC connection between c1als and c1mcs | As with the previous post, I eliminated
and unnecessary hop through c1rfm for the
c1als --> c1mcs connection for the ALS |
|
|
8551
|
Wed May 8 17:45:49 2013 |
Jamie | Configuration | CDS | More bypassing c1rfm for c1mcs --> c1ioo IPCs | As with the last two posts, I eliminated
more unnecessary passing through c1rfm for
IPC connections between c1mcs and c1ioo. |
|
|
8553
|
Wed May 8 19:31:17 2013 |
Jamie | Configuration | LSC | LSC: added new SQRT_SWITCH to power normalization DOF outputs | This removes the old sqrt'ing from the
inputs to the POW_NORM matrix (was only on
the POP110 I/Q) and moves it to the DOF outputs. |
|
|
8566
|
Mon May 13 23:05:26 2013 |
Koji | Configuration | LSC | PRMI locking | - Disabled MCL path in mcdown/mcupscript.
Nominal gain in mcdown/mcup was -50
and -100 respectively. |
|
|
8573
|
Tue May 14 19:52:58 2013 |
Riju | Configuration | RF System | PD frequency response | [Eric, Riju, Annalisa]
Today we have cleared up the fiber
spool near AP table. We have put the 1x16 |
|
|
8574
|
Tue May 14 20:27:19 2013 |
Koji | Configuration | LSC | Openloop gain for PRMI lock May 13 | The OLTFs for PRCL and MICH for the last
night's lock were modelled using Yuta's python
script. |
|
|
8577
|
Wed May 15 00:45:28 2013 |
rana | Configuration | LSC | Openloop gain for PRMI lock May 13 |
Pfft. |
|
|
8578
|
Wed May 15 08:29:28 2013 |
Steve | Configuration | RF System | fiber protection at splitter box area | I positioned the fiber loaded protecting
tubing and anchored them so they can do their
job. |
|
|
8591
|
Thu May 16 11:50:25 2013 |
Koji | Configuration | Electronics | Measurement and empirical models of the AI board TFs | Yesterday, I pulled out the AI board
for the PRM/BS SUSs. (After the investigation
it was restored) |
|
|
8592
|
Thu May 16 22:03:16 2013 |
Koji | Configuration | LSC | Y Green BBPD returned to the PSL table | I borrowed the GTRY BBPD for the
REFL165 trial before.
Now the PD is back on the PSL table. |
|
|
8654
|
Thu May 30 10:40:59 2013 |
Jamie | Configuration | CDS | Attempt to cleanup c1ioo ADC connections | I have attempted to reconcile all of the
ADC connections to c1ioo. Upon close
inspection, it appears that there was a lot |
|