| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
8814
|
Tue Jul 9 18:44:37 2013 |
gautam | Update | CDS | DAC Interface Board-Pin Outs | Summary:
The pin-outs for the DAC interface
board have been determined. |
|
|
8815
|
Tue Jul 9 20:09:53 2013 |
Koji | Update | IOO | WFS debugging | The low UGFs of the MC WFS servos made
the MC insane thesedays:
The servos are too slow and we kept |
|
|
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 |
|
|
8818
|
Wed Jul 10 02:10:41 2013 |
manasa | Update | Green Locking | Beatbox gets a makeover |
|
|
|
8819
|
Wed Jul 10 02:28:04 2013 |
Annalisa | Update | Green Locking | Beat notes lost! | [Manasa, Jenne, Annalisa]
I was going to find the beat note
to start the cavity scan, but I couldn't. |
|
|
8820
|
Wed Jul 10 11:27:02 2013 |
manasa | Update | Green Locking | X arm beatnote found | I found the beat note for X arm. I did
not change anything this morning (to the
best of my knowledge). Hooking up the spectrum |
|
|
8821
|
Wed Jul 10 11:44:02 2013 |
Annalisa | Update | Green Locking | Y beat note found! | I found the beat note for the Y arm. Nothing
was changed with respect to yesterday night,
but the beat is back! |
|
|
8822
|
Wed Jul 10 14:49:00 2013 |
Steve | Update | Green Locking | more fiber protective tubing layed |
|
|
|
8824
|
Thu Jul 11 00:30:27 2013 |
manasa | Update | Green Locking | X arm ALS post-beatbox makeover | I ran a series of diagnostics on the X
arm ALS to look at how the beatbox behaves
after the makeover. |
|
|
8825
|
Thu Jul 11 03:14:19 2013 |
Jenne | Update | LSC | Yarm held nicely on IR resonance with ALS, PRMI+arm attempt | [Annalisa, Jenne, Nic]
After having troubles with the Xarm
earlier (maybe Manasa can write/say something |
|
|
8826
|
Thu Jul 11 07:34:42 2013 |
manasa | Update | LSC | Yarm held nicely on IR resonance with ALS, PRMI+arm attempt |
|
|
|
8827
|
Thu Jul 11 09:15:10 2013 |
Steve | Update | endtable upgrade | ETMY optable grounded | ETMY optical table top was grounded to
the ETMY chamber through 1 Mohms this morning.
I also strain releifed |
|
|
8828
|
Thu Jul 11 09:24:03 2013 |
Steve | Update | General | there should be nothing left on optable tops | There are 4 oscilloscopes left on the AP
optical table top.... It's only 25 lbs...
|
|
|
8829
|
Thu Jul 11 12:00:50 2013 |
Alex | Update | | Planned rack additions | [Eric, Alex]
We mounted our Laser Module and Laser
Power Source in rack 1y1. We plan to add |
|
|
8830
|
Thu Jul 11 13:52:51 2013 |
Charles | Update | ISS | RMS threshold detection and triggering | There are essentially two major portions
of the ISS I am designing. One system has
the voltage reference, differential amplifier |
|
|
8831
|
Thu Jul 11 14:38:38 2013 |
Annalisa | Update | Green Locking | Y arm cavity scan | Yesterday I did a cavity scan with IR while
holding the Yarm with green.
ALS |
|
|
8833
|
Fri Jul 12 00:12:41 2013 |
Koji | Update | LSC | PRMI + Y arm trial | [Koji, Manasa, Annalisa]
I made several trials to scan the
arm on the IR TEM00 resonance while the PRMI |
|
|
8834
|
Fri Jul 12 09:00:10 2013 |
Steve | Update | General | Halogen illumination cables disconnected | Alex and Steve,
Old halogen chamber illuminator cabling
disconnected and potenciometer board removed |
|
|
8835
|
Fri Jul 12 12:30:47 2013 |
manasa | Update | General | Halogen illumination cables disconnected |
|
|
|
8836
|
Fri Jul 12 12:51:13 2013 |
Charles | Update | ISS | RMS Noise from PMC Transmission | I went out on the floor to look at the
transmitted signal from the PMC to get a
rough idea of the noise of the unstabilized |
|
|
8837
|
Fri Jul 12 12:51:16 2013 |
manasa | Update | LSC | PRMI + ALS automation |
|
|
|
8838
|
Fri Jul 12 13:15:43 2013 |
Koji | Update | ISS | RMS Noise from PMC Transmission | It would be better to measure the power
spectrum density of the fluctuation.
The RMS does not tell enough information |
|
|
8839
|
Fri Jul 12 18:30:20 2013 |
Charles | Update | ISS | RMS Noise from PMC Transmission |
|
|
|
8840
|
Fri Jul 12 21:23:42 2013 |
Jenne | Update | ASC | POP QPD calibration attempt | These are the data, one plot for when the
vertical QPD position was changed, and one
for when the horizontal (yaw) QPD position |
|
|
8841
|
Fri Jul 12 23:13:32 2013 |
manasa | Update | Green Locking | ALS sensor noise | [Annalisa, Koji, Manasa]
In order to improve the ALS stability |
|
|
8842
|
Sat Jul 13 03:27:20 2013 |
Annalisa | Update | Green Locking | Y arm caity scan | I started doing a scan of the Y arm cavity
with IR with ALS enabled.
ALS |
|
|
8843
|
Sun Jul 14 17:47:28 2013 |
Koji | Update | IOO | MC WFS maintenance | Annalisa notified me that the MC autolocker
could not keep the MC locked.
I found the initial alignment was |
|
|
8844
|
Sun Jul 14 18:19:00 2013 |
Annalisa | Update | Green Locking | Arm cavity scan | Yesterday evening Nic and me were in the
lab. The Mode Cleaner was unlocked, but after
many attempt we could fix it and we did many |
|
|
8847
|
Mon Jul 15 14:12:15 2013 |
Steve | Update | VAC | RGA scan at day 144 | Pumpdown 75, vacuum normal condition
at day 144
|
|
|
8849
|
Mon Jul 15 16:44:46 2013 |
Alex | Update | OMC | OMC North Safety | [Eric Alex]
We are planning on testing our laser
module soon, so we have added aluminum foil |
|
|
8851
|
Mon Jul 15 17:16:59 2013 |
Jenne | Update | ASC | POP QPD calibration attempt | I tried to retake POP QPD calibration data
again today. The MC was mostly fine,
but whenever the PRMI unlocked, both ITM |
|
|
8854
|
Tue Jul 16 01:17:21 2013 |
Jenne | Update | ASC | POP QPD calibration attempt | [Rana, Jenne]
I took POP QPD calibration data with
a new method, on Rana's suggestion. |
|
|
8855
|
Tue Jul 16 10:16:23 2013 |
Koji | Update | | Beatbox XARM whitening modified | The
X arm whitening filters of the beatbox were
modified. |
|
|
8856
|
Tue Jul 16 13:48:26 2013 |
Steve | Update | PEM | cranes cleaned | Keven and Steve,
The 3 cranes tested and wiped
off as preparation for upcoming vent. |
|
|
8858
|
Tue Jul 16 15:22:27 2013 |
manasa | Update | CDS | Front ends back up | c1sus, c1ioo, c1iscex and c1iscey were
down. Why? I was trying to lock the arm and
I found that around this time, several computers |
|
|
8860
|
Tue Jul 16 18:20:25 2013 |
Jenne | Update | CDS | Proto-ASC implemented in ASS model | The proto-ASC now includes triggering.
I have updated the hacky temp ASC screen
to show the DoF triggering. I have |
|
|
8861
|
Tue Jul 16 19:16:12 2013 |
rana | Update | DAQ | NDS2 Status | I have
modified the settings on the router that |
|
|
8864
|
Wed Jul 17 22:49:37 2013 |
Koji | Update | Green Locking | ALS Y whitening filter change | [Koji Annalisa]
We did the same mod of the beatbox
for the Y arm too. See |
|
|
8865
|
Wed Jul 17 22:51:50 2013 |
Koji | Update | Green Locking | ALS Y performance with the new whitening filter | [Manasa Koji]
Summary:
The new whitening filters improved |
|
|
8866
|
Thu Jul 18 01:10:00 2013 |
kiwamu | Update | Green Locking | ALS Y performance with the new whitening filter |
|
|
|
8867
|
Thu Jul 18 02:21:41 2013 |
Koji | Update | LSC | PRMI+Y arm ALS success! | [Koji, Jenne, Manasa, Annalisa, Rana,
Nic]
|
|
|
8868
|
Thu Jul 18 10:47:21 2013 |
Jamie | Update | LSC | PRMI+Y arm ALS success! | AWESOME! You guys rock. |
|
|
8869
|
Thu Jul 18 10:50:54 2013 |
Lisa | Update | LSC | PRMI+Y arm ALS success! |
|
|
|
8870
|
Thu Jul 18 15:34:15 2013 |
Alex Cole | Update | Electronics | PD Frequency Response Update | [Eric, Alex]
Our RF Switch arrived today, and
we mounted it in rack 1Y1 (1st attachment). |
|
|
8871
|
Thu Jul 18 15:55:31 2013 |
Jenne | Update | LSC | PRMI+Y arm ALS Sensing Matrices | Last
night, I took sensing matrix data at various
different offsets for the Yarm. |
|
|
8872
|
Thu Jul 18 16:30:08 2013 |
Koji | Update | LSC | PRMI+Y arm ALS Sensing Matrices | Hmm. I agree that something was funny.
Let's take the matrix without the |
|
|
8876
|
Thu Jul 18 21:45:36 2013 |
Charles | Update | ISS | ISS - Full Schematic | Here I have included the full schematic
(so far) of the proposed ISS. There are two
sheets: the first schematic details the filter |
|
|
8878
|
Fri Jul 19 12:00:12 2013 |
manasa | Update | Green Locking | ALS Y performance with the new whitening filter |
|
|
|
8879
|
Fri Jul 19 12:02:18 2013 |
manasa | Update | LSC | PRMI+Y arm ALS success! | Data retrieved using getdata (30 minutes
trend) saved at
|
|
|
8880
|
Fri Jul 19 12:23:34 2013 |
manasa | Update | CDS | CDS FE not happy | I found CDS rt processes in red. I did 'mxstreamrestart' |
|