| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12094
|
Wed Apr 27 15:04:47 2016 |
Steve | Update | endtable upgrade | Cleaning ETMX vacuum dirty window | It looks very promising.
|
|
|
12095
|
Thu Apr 28 00:41:08 2016 |
gautam | Update | endtable upgrade | more progress - Transmon PD installed | The IR Transmon system is almost completely
laid out, only the QPD remains to be installed.
Some notes: |
|
|
12099
|
Fri Apr 29 00:55:46 2016 |
gautam | Update | endtable upgrade | green PDH locked to Xarm | Using the modulation frequency suggested
here,
I hooked up the PDH setup at the X-end and |
|
|
12100
|
Fri Apr 29 16:05:23 2016 |
gautam | Update | endtable upgrade | Cleaning ETMX vacuum dirty window | After a second round of F.C. application,
I think the window is clean enough and there
are no residual F.C. pieces anywhere near |
|
|
12104
|
Mon May 2 19:14:18 2016 |
gautam | Update | endtable upgrade | Optical layout almost complete | With Steve's help, I installed the
Oplev earlier today. I adjusted the positions
of the two lenses until I deemed the spot |
|
|
12105
|
Thu May 5 03:05:37 2016 |
gautam | Update | endtable upgrade | ALS status update | [ericQ, gautam]
Today we spent some time looking
into the PDH situation at the X end. A summary |
|
|
12108
|
Thu May 5 14:05:01 2016 |
rana | Update | endtable upgrade | ALS status update | All seems very fishy. Its not good to put
attenuators and filters in nilly-willy.
Once the post-PD bandpass |
|
|
12109
|
Thu May 5 21:28:44 2016 |
gautam | Update | endtable upgrade | Innolight PZT capacitance | I suggested
in an earlier elog that after the repair |
|
|
12122
|
Thu May 19 16:29:20 2016 |
Steve | Update | endtable upgrade | Optical layout almost complete |
|
|
|
12526
|
Fri Sep 30 19:53:07 2016 |
gautam | Update | endtable upgrade | X end IR pickoff fiber coupled | [johannes, gautam]
Today we re-installed the fiber
coupler on the X-endtable to couple some |
|
|
12532
|
Wed Oct 5 16:28:10 2016 |
gautam | Update | endtable upgrade | EX laser power monitor PD installed | I installed a 10% BS to pick off some of
the light going to the IR fiber, and have
added a Thorlabs PDA55 PD to the EX table |
|
|
438
|
Tue Apr 22 22:19:02 2008 |
rob | Metaphysics | lore | jiggling sliders |
In the interests of tacit communication of
scientific knowledge, I here reveal a nugget |
|
|
1104
|
Sun Nov 2 20:21:58 2008 |
rana | Configuration | lore | HP 5550dtn (Grazia) set up on allegra | I set up printing to grazia from allegra.
The CUPS interface was not as straightforward
as Tobin had made it seem in the Wiki. I |
|
|
1217
|
Thu Jan 8 16:49:37 2009 |
rana | Configuration | lore | HP 5550dtn (Grazia) set up on allegra | [quote]I set up printing to grazia from allegra.
The CUPS interface was not as straightforward
as Tobin had made it seem in the Wiki. I |
|
|
1579
|
Wed May 13 02:53:12 2009 |
rob | Summary | lore | Channel Hopping: That ancient enemy (MC problems) | We were stymied tonight by a problem which
began late this afternoon. The MC would
periodically go angularly unstable, breaking |
|
|
1582
|
Wed May 13 14:43:29 2009 |
rob | Summary | lore | Channel Hopping: That ancient enemy (MC problems) |
|
|
|
2138
|
Fri Oct 23 15:02:00 2009 |
rob | Update | lore | marconi phase | So, it appears that one doesn't even have
to change the Marconi set frequency to alter
the phase of the output signal. It |
|
|
2139
|
Sat Oct 24 04:57:33 2009 |
rana | Update | lore | marconi phase |
|
|
|
2414
|
Mon Dec 14 15:18:18 2009 |
Jenne | Update | lore | armLoss script ran....results confidential | I ran the armLoss script for both Xarm
and Yarm. The results are confidential,
pending the completion of Alberto's cavity |
|
|
2566
|
Wed Feb 3 09:01:42 2010 |
rob | Update | lore | IFO isn't playing nice tonight |
|
|
|
2598
|
Fri Feb 12 14:19:28 2010 |
rana, steve | HowTo | lore | International Fax | Steve showed me how to send an international
fax today:
Load paper.
|
|
|
3660
|
Wed Oct 6 14:49:54 2010 |
rana | Summary | lore | Steve on the sea | |
|
|
4960
|
Mon Jul 11 14:03:37 2011 |
steve | HowTo | lore | how to visit your old lab | Alberto is visiting us from Australia.
He brought some terrific presents. It is
going to be very demanding task to wait for |
|
|
6694
|
Sun May 27 17:19:27 2012 |
rana | Summary | lore | Strawberries | We have placed some sweet giant strawberries
in the fridge; free for eating for anyone
working in the lab today or tomorrow: |
|
|
8887
|
Mon Jul 22 03:10:41 2013 |
rana | Summary | lore | Angel of the Y End Table? | Trying to take an image or movie
of the ETMY Transmon cam, we got instead
this attached image. |
|
|
8888
|
Mon Jul 22 06:58:17 2013 |
Lisa | Summary | lore | Angel of the Y End Table? |
|
|
|
9966
|
Fri May 16 20:55:18 2014 |
Jamie | Frogs | lore | un-full-screening Ubuntu windows with F11 | Last week Rana and I struggled to figure
out how to un-full-screen windows on the
Ubuntu workstations that appeared to be stuck |
|
|
12915
|
Wed Mar 29 09:24:28 2017 |
Steve | Update | lore | summery pages | The summery pages are working at a slow
motion speed. It's response time 12 minutes. |
|
|
1020
|
Thu Oct 2 16:44:28 2008 |
steve | Summary | oplevs | optical levers | The idea is to push the UGF to 10 Hz of the
TM oplev servos with quiet HeNe laser.
We measured good intensity noise of JDS 1103P |
|
|
1245
|
Thu Jan 22 12:08:59 2009 |
pete | Update | oplevs | oplev calibration | Following the procedure described in Royal
Reinecke's 2006 SURF report, I've calibrated
the ETMY yaw oplev DOF. The idea is to sweep |
|
|
1247
|
Thu Jan 22 23:36:50 2009 |
pete | HowTo | oplevs | arm cavity oplev calibration | calibrated the y-arm oplevs. the procedure
is contained in a matlab script. the whereabouts
of this script will be revealed in a future |
|
|
1249
|
Fri Jan 23 12:48:12 2009 |
Kakeru | Update | oplevs | arm cavity oplev calibration | I calibrated optlevs of x and y arm cavity,
indipendently from Peter's work.
|
|
|
1251
|
Fri Jan 23 16:33:27 2009 |
pete | Update | oplevs | x-arm oplev calibrations | ITMXpit 71 microrad/ct
ITMXyaw 77 microrad/ct
ETMXpit 430 microrad/ct
|
|
|
1259
|
Thu Jan 29 17:24:41 2009 |
Kakeru | Update | oplevs | arm cavity oplev calibration | I calibrated optlevs again. My previous work
has a lot of mistakes, so ignore it.
|
|
|
1377
|
Mon Mar 9 17:11:38 2009 |
Alberto | Configuration | oplevs | optical levers centering | Yoichi, Alberto
this afternoon we centered the optical
levers for all the optics. |
|
|
1403
|
Sat Mar 14 22:53:12 2009 |
Kakeru | Update | oplevs | arm cavity oplev calibration | I finished a calibration of optical levers.
To calibrate oplevs, I locked appropriate |
|
|
1413
|
Fri Mar 20 15:37:58 2009 |
Kakeru | Update | oplevs | arm cavity oplev calibration |
I calibrated several oplevs with OSEM signal
as a confirmation of my fitting method the |
|
|
1434
|
Thu Mar 26 09:08:18 2009 |
Kakeru | Update | oplevs | arm cavity oplev calibration | I uploaded a document about my oplev calibration.
/cvs/cds/caltech/users/kakeru/oplev_calibration/oplev.pdf
|
|
|
1563
|
Fri May 8 04:46:01 2009 |
rana, yoichi | Summary | oplevs | BS/PRM/SRM table bad! | We went to center the oplevs because they
were far off and found that (as usual) the
numbers changed
|
|
|
1578
|
Tue May 12 17:26:56 2009 |
pete | Update | oplevs | etmy oplev quad was bad | Pete, Rob
After looking at some oplev noise
spectra in DTT, we discovered that the ETMY |
|
|
1580
|
Wed May 13 03:05:13 2009 |
pete | Update | oplevs | etmy oplev quad was bad |
|
|
|
1644
|
Tue Jun 2 23:55:45 2009 |
Alberto | Update | oplevs | oplevs centerd | Tonight I centered the oplevs for ITMX/Y,
SRM, PRM, BS.
After doing that I noticed that the |
|
|
1662
|
Tue Jun 9 11:29:07 2009 |
Jenne | Update | oplevs | Measured ETMY oplev beam size...put everything back | I measured the ETMY oplev beam size at
a couple different distances away from the
HeNe by taking out the steering mirror and |
|
|
1786
|
Fri Jul 24 17:20:48 2009 |
Jenne | Update | oplevs | ETMY oplev is iffy | ETMY oplev is currently a work in progress.
The HeNe beam is hitting the photodiode,
but the spot size there is pretty much the |
|
|
1798
|
Mon Jul 27 17:48:44 2009 |
Jenne | Update | oplevs | ETMY oplev is still down for the count | ETMY oplev is still out of order.
Hopefully I'll get it under control by tomorrow. |
|
|
2352
|
Fri Dec 4 21:48:01 2009 |
Jenne | Update | oplevs | Oplevs centered, IP_POS and IP_ANG centered | [Jenne Koji]
We aligned the full IFO, and
centered all of the oplevs and the IP_POS |
|
|
2353
|
Fri Dec 4 23:17:55 2009 |
rob | Update | oplevs | Oplevs centered, IP_POS and IP_ANG centered |
|
|
|
2354
|
Sat Dec 5 01:40:11 2009 |
Koji | Update | oplevs | Oplevs centered, IP_POS and IP_ANG centered | We restarted daqd and
it did restored the problem
http://lhocds.ligo-wa.caltech.edu:8000/40m/Computer_Restart_Procedures#fb40m |
|
|
2358
|
Sat Dec 5 18:23:48 2009 |
Koji | Update | oplevs | Oplevs centered, IP_POS and IP_ANG centered | NOTE: HEPA
is on at its full. |
|
|
2615
|
Fri Feb 19 02:38:32 2010 |
Koji | Configuration | oplevs | Intsant green oplevs for ITMs shooting from the ends | I
set up instant green oplevs for ITMs.
A green laser pointer has been set |
|