| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
10141
|
Mon Jul 7 16:39:26 2014 |
Steve | Update | PEM | ants on the PSL table |
|
|
|
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 |
|
|
10143
|
Mon Jul 7 17:20:09 2014 |
Nichin | Update | Electronics | RF PDs needed |
|
|
|
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 |
|
|
10145
|
Mon Jul 7 18:38:27 2014 |
Nichin | Update | Electronics | RF cables rerouted |
|
|
|
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 |
|
|
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 ( |
|
|
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.
|
|
|
10149
|
Mon Jul 7 23:19:55 2014 |
rana | Update | PSL | PMC ringdown setup |
|
|
|
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 |
|
|
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 |
|
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 |
|
|
10154
|
Tue Jul 8 16:45:15 2014 |
Nichin | Update | General | Weekly plan | My plan for next week is...
|
|
|
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. |
|
|
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 |
|
|
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. |
|
|
10160
|
Wed Jul 9 00:59:09 2014 |
rana | 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 |
|
|
10162
|
Wed Jul 9 11:41:12 2014 |
Koushik | Update | PSL | PMC local oscillator is going wonky |
|
|
|
10164
|
Wed Jul 9 16:33:05 2014 |
manasa | Update | PSL | PMC ringdown setup |
|
|
|
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 |
|
|
10166
|
Wed Jul 9 17:34:11 2014 |
Nichin | Update | Electronics | PDFR: Beam pointing adjustments and DC measurements | [Nichin, Manasa]
AIM: |
|
|
10167
|
Wed Jul 9 19:53:34 2014 |
rana | Update | PSL | PMC LO monitor trend (5 years) | |
|
|
10168
|
Wed Jul 9 21:05:31 2014 |
manasa | Update | General | AOM and PSL Ringdown | After the fits, here are the numbers!
|
|
|
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 |
|
|
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, |
|
|
10171
|
Thu Jul 10 00:38:20 2014 |
manasa | Update | General | AOM and PSL Ringdown |
|
|
|
10172
|
Thu Jul 10 01:02:13 2014 |
rana | Update | PSL | more PMC science | Increased gain
and SNR in PMC LO monitor circuit. |
|
|
10173
|
Thu Jul 10 02:09:20 2014 |
Jenne | Update | PSL | FSS Fast gain set | I have put in a new nominal value for the
FSS fast gain: 21.5 dB.
There is an oscillation peak in the |
|
|
10174
|
Thu Jul 10 02:15:36 2014 |
Jenne | Update | LSC | QPD dark noise checkout | I have put beam dumps in front of both
of the end transmission QPDs so that I could
measure the dark noise. They are still |
|
|
10175
|
Thu Jul 10 15:27:09 2014 |
Harry | Update | General | Coupling telescope design | I designed this telescope to couple
the 1064 NPRO into the PM980 fiber, using
lenses from the Thorlabs LSB04-C kit. |
|
|
10176
|
Thu Jul 10 15:57:00 2014 |
Steve | Update | SUS | flow bench is turned off | Flow
bench effect on oplev error signal
is here. |
|
|
10179
|
Thu Jul 10 18:25:18 2014 |
Koji | Update | General | Coupling telescope design | CFC-2X-C has a FIXED focal length of 2mm,
but the collimator lens position is adjustable.
I'm not yet sure this affects your |
|
|
10180
|
Thu Jul 10 19:37:54 2014 |
Manasa | Update | General | PM980 fiber tested OK | [Harry, Manasa]
This is the update from yesterday
that Harry missed to elog. |
|
|
10181
|
Fri Jul 11 08:11:56 2014 |
Steve | Update | CDS | ETMX needs help | |
|
|
10182
|
Fri Jul 11 09:41:43 2014 |
not Koji | Update | General | Coupling telescope design |
|
|
|
10183
|
Fri Jul 11 11:51:03 2014 |
Nichin | Update | Electronics | PDFR: List of DC transimpedances | The following
values are going to be entered in the param_[PDname].yml
file for each PD. I am elogging them for |
|
|
10185
|
Fri Jul 11 15:29:26 2014 |
Harry | Update | General | Telescope With Collimator | I used a la mode to make a design
for the coupling telescope with a 3.3um target
waist, that included the collimator in the |
|
|
10186
|
Fri Jul 11 17:49:12 2014 |
Nichin | Update | Electronics | New Prologix GPIB-Ethernet controller | I have configured a NEW Prologix GPIB-Ethernet
controller to use with HP8591E Spectrum analyzer
that sits right next to the control room |
|
|
10187
|
Fri Jul 11 20:05:34 2014 |
Jenne | Update | LSC | QPD dark noise checkout | The other day, I took spectra of the Yend
transmission QPD dark noise for several different
configurations of the transimpedance gain |
|
|
10189
|
Fri Jul 11 22:28:34 2014 |
Chris | Update | CDS | c1auxex "Unknown Host" |
|
|
|
10190
|
Sun Jul 13 11:37:36 2014 |
Jamie | Update | Electronics | New Prologix GPIB-Ethernet controller |
|
|
|
10191
|
Sun Jul 13 17:06:35 2014 |
Andres | Update | 40m Xend Table upgrade | Xarm Table Upgrade Calculation and Diagrams of possible new table layout | Current Mode Matching
and Gouy Phase Between Steering Mirrors |
|
|
10192
|
Mon Jul 14 12:49:07 2014 |
Nichin | Update | Electronics | New Prologix GPIB-Ethernet controller |
|
|
|
10195
|
Mon Jul 14 16:19:41 2014 |
Andres | Update | 40m Xend Table upgrade | Took the measurement for the Mode Matching | Nick
and I measured the reflected power of the
green light in locked and unlocked. I'm working |
|
|
10196
|
Mon Jul 14 16:51:07 2014 |
Nichin | Update | Electronics | Martian table updated, Named server restarted | [Nichin, Jenne]
The martian lookup tables are located
at |
|
|
10197
|
Mon Jul 14 17:51:34 2014 |
Nichin | Update | Computer Scripts / Programs | MEDM for PDFR system | A |
|
|
10198
|
Tue Jul 15 00:16:52 2014 |
Jenne | Update | SUS | PRM significantly pitched | I'm starting to lock for the night, and
I noticed that PRM is very, very pitched.
Why? |
|
|
10200
|
Tue Jul 15 01:41:43 2014 |
Jenne | Update | LSC | Data for DARM on sqrtInv investigation | I took some data tonight for a quick look
at what combinations of DC signals might
be good to use for DARM, as an alternative |
|
|
10201
|
Tue Jul 15 11:04:05 2014 |
Steve | Update | safety | safety glasses must be worn all times! | This is the third safety glasses that I
found laying around in the IFO lab lately.
Safety |
|