| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
10172
|
Thu Jul 10 01:02:13 2014 |
rana | Update | PSL | more PMC science | Increased gain
and SNR in PMC LO monitor circuit. |
|
|
10171
|
Thu Jul 10 00:38:20 2014 |
manasa | Update | General | AOM and PSL Ringdown |
|
|
|
10170
|
Wed Jul 9 23:02:33 2014 |
Harry | Update | General | Beam Waists via Beamscan | Today, I borrowed the beam profiler
from Brian (another SURF) in order to double
check my razor blade measurement figures, |
|
|
10169
|
Wed Jul 9 21:43:41 2014 |
Jenne | Update | Electronics | PMC servo card modifications in DCC | [Rana, Jenne]
We have decided to keep better |
|
|
10168
|
Wed Jul 9 21:05:31 2014 |
manasa | Update | General | AOM and PSL Ringdown | After the fits, here are the numbers!
|
|
|
10167
|
Wed Jul 9 19:53:34 2014 |
rana | Update | PSL | PMC LO monitor trend (5 years) | |
|
|
10166
|
Wed Jul 9 17:34:11 2014 |
Nichin | Update | Electronics | PDFR: Beam pointing adjustments and DC measurements | [Nichin, Manasa]
AIM: |
|
|
10165
|
Wed Jul 9 17:08:29 2014 |
Jenne | Update | CDS | c1auxex "Unknown Host" | c1auxex has forgotten who it is.
Slow sliders for the QPD head were not responding,
so I did a soft reboot from telnet. The machine |
|
|
10164
|
Wed Jul 9 16:33:05 2014 |
manasa | Update | PSL | PMC ringdown setup |
|
|
|
10163
|
Wed Jul 9 12:01:43 2014 |
Akhil | Configuration | Electronics | Setup Plan for placing the Frequency Counter inside the lab | Today, me and Manasa went inside the lab
to figure out a place for the place for the
FC. The whole setup will be placed in a chassis |
|
|
10162
|
Wed Jul 9 11:41:12 2014 |
Koushik | Update | PSL | PMC local oscillator is going wonky |
|
|
|
10161
|
Wed Jul 9 08:50:30 2014 |
Akhil | Update | General | Weekly Update |
Last
Week's Work |
|
|
10160
|
Wed Jul 9 00:59:09 2014 |
rana | Update | PSL | PMC local oscillator is going wonky |
|
|
|
10159
|
Wed Jul 9 00:47:22 2014 |
Koji | Update | PSL | PMC local oscillator is going wonky | Koushik replaced an ERA-5 in the PC path.
We put the module back to the rack and found
no change. |
|
|
10158
|
Tue Jul 8 23:59:49 2014 |
Harry | Update | General | Weekly Plan (7.8.14) | Last Week:
-I continued to struggle with the
razorblade beam analysis, though after a |
|
|
10157
|
Tue Jul 8 22:53:02 2014 |
Jenne, Rana | Update | Electronics | Transmon QPD / whitening | We need to work farther on checking
out the end transmission QPD electronics
situation. |
|
|
10156
|
Tue Jul 8 18:20:15 2014 |
jamie | Omnistructure | Electronics | Jamie 1811 power supply fixed! | Placed in PD cabinet in Y arm, next
to the OTHER Jamie-made 1811 power supply
from 1998. |
|
|
10155
|
Tue Jul 8 17:59:12 2014 |
jamie | Omnistructure | Electronics | Jamie 1811 power supply fixed! | I finally made good on the LIFE TIME WARRANTY
on the ancient, Jamie-made 1811 power supply
with the faulty switch: |
|
|
10154
|
Tue Jul 8 16:45:15 2014 |
Nichin | Update | General | Weekly plan | My plan for next week is...
|
|
|
10153
|
Tue Jul 8 15:28:32 2014 |
Koji | Update | PSL | PMC local oscillator is going wonky | Koushik and Koji try to fix the PMC oscillator
issue. So we remove the module from the rack.
This means we don't have the PMC transmission |
|
|
10152
|
Tue Jul 8 15:07:24 2014 |
Nichin | HowTo | Electronics | RF Multiplexer in rack 1Y1 | The RF
multiplexer is configured as shown in the
figure. It is now effectively a 15x1 RF mux. |
|
|
10151
|
Tue Jul 8 09:02:02 2014 |
Akhil | Update | Electronics | PSD Plots for different sampling times of the Frequency Counter | Although there were few timing issues
with the FC and the Raspberry Pi at the lowest
sampling time of the FC (0.1s) even after |
7x |
|
10150
|
Tue Jul 8 01:55:21 2014 |
Jenne | Update | SUS | ETMX glitching | [Jenne, Rana]
A few times this evening, I had been
having trouble locking CARM and DARM with |
|
|
10149
|
Mon Jul 7 23:19:55 2014 |
rana | Update | PSL | PMC ringdown setup |
|
|
|
10148
|
Mon Jul 7 22:18:26 2014 |
Koji | Update | PSL | PMC local oscillator is going wonky | It seems that there is no better chip in
MiniCircuits line-up with the same form factor.
|
|
|
10147
|
Mon Jul 7 22:07:29 2014 |
rana | Update | Electronics | RF cables rerouted | This Red Ladder movement also probably
included some bumping of the MC2 stack ( |
|
|
10146
|
Mon Jul 7 21:36:33 2014 |
Jenne, rana | Update | PSL | PMC local oscillator is going wonky | The PMC local oscillator is going
a little weird dying.
We need to check out why the level |
|
|
10145
|
Mon Jul 7 18:38:27 2014 |
Nichin | Update | Electronics | RF cables rerouted |
|
|
|
10144
|
Mon Jul 7 18:11:04 2014 |
Koji | Update | General | Beam Waists | -
Plots should be directly attached on the
elog. (Attaching codes in a zip |
|
|
10143
|
Mon Jul 7 17:20:09 2014 |
Nichin | Update | Electronics | RF PDs needed |
|
|
|
10142
|
Mon Jul 7 16:52:02 2014 |
manasa | Update | Electronics | RF cables need to be rerouted | The RF cables have been routed incorrectly.
The cables run to the module from the front
of the rack. We cannot close the doors to |
|
|
10141
|
Mon Jul 7 16:39:26 2014 |
Steve | Update | PEM | ants on the PSL table |
|
|
|
10140
|
Mon Jul 7 16:39:09 2014 |
manasa | Update | PSL | PMC ringdown setup | I moved stuff on the PSL table to accommodate
the PMC ringdown setup.
I used the beam that leaks from the |
|
|
10139
|
Mon Jul 7 14:42:33 2014 |
Harry | Update | General | Beam Waists | I was finally able to get a reasonable
measurement for the beam waist(s) of the
spare NPRO. |
16x |
|
10138
|
Mon Jul 7 14:38:55 2014 |
Steve | Update | safety | safety training | TaraV
- geology major undergrad - of Jenne's |
|
|
10137
|
Mon Jul 7 13:56:13 2014 |
Akhil | Configuration | Electronics | Setup Used for Characterization of Frequency Counter | When I was trying to plot PSD of the measurements,
I still couldn't get better resolution. There
still seems to be a problem with timing and |
|
|
10136
|
Mon Jul 7 13:55:26 2014 |
Jenne | Update | LSC | c1cal model restarted | I'm not sure why the c1cal model didn't
come up the last time c1lsc was rebooted,
but I did an "rtcds start c1cal" |
|
|
10135
|
Mon Jul 7 13:44:21 2014 |
Jenne | Update | CDS | c1sus - bad fb connection |
|
|
|
10134
|
Mon Jul 7 11:02:22 2014 |
manasa | Configuration | General | IFO status post earthquake |
|
|
|
10133
|
Mon Jul 7 10:35:43 2014 |
Jenne | Update | Electronics | RF PDs needed |
|
|
|
10132
|
Mon Jul 7 09:46:00 2014 |
Steve | Configuration | SUS | all sus damping restored | All suspension damping restored. There
had to be an earth quake. |
|
|
10131
|
Mon Jul 7 08:13:41 2014 |
steve | Update | General | yes,there was firework | |
|
|
10130
|
Sat Jul 5 04:18:45 2014 |
Andres | Update | 40m Xend Table upgrade | Adding Two Lenses After the Second Steering Mirror in Order Two Increase the Gouy Phase Difference Between the Sterring Mirrors | I had been working on the Xend table optical
layout update. Since the two steering mirrors
in the Xend green are too close to each, |
7x |
|
10129
|
Fri Jul 4 09:17:13 2014 |
Akhil | Configuration | Electronics | Setup Used for Characterization of Frequency Counter | Goal:
To |
|
|
10128
|
Thu Jul 3 16:28:38 2014 |
Nichin | Update | Electronics | RF cables installed | [ Nichin, Eric G]
RF cables have been installed between
deomodulator output PD RF MON and the RF |
|
|
10126
|
Wed Jul 2 22:58:11 2014 |
Jenne | Update | LSC | Little Bo-Peep has found her phase | Never
mind. This is just the
low pass filter that Den put in to try to |
|
|
10125
|
Wed Jul 2 21:30:42 2014 |
Jenne | Update | LSC | Little Bo-Peep has lost her phase | Little Bo-Peep has lost her phase,
|
|
|
10124
|
Wed Jul 2 16:18:32 2014 |
Jenne | Update | ASC | IFO aligned, PRMI + 2 arms achieved | After the meeting, I aligned the IFO to
the IR, and then I aligned the Ygreen to
the Yarm. I then found the beatnotes |
|
|
10123
|
Wed Jul 2 16:16:45 2014 |
Nichin | Update | General | LAN wire added | [Nichin, Eric Q]
We added a new LAN wire from Rack
1Y4 to 1Y1 to connect the RF switch at 1Y1 |
|
|
10122
|
Wed Jul 2 15:35:34 2014 |
ericq | Update | Computer Scripts / Programs | Local Chiara backups | Koji has provided a 2TB USB3 external hard
drive that will get daily backups of chiara:/home/cds,
the idea being that if the internal HD at |
|