| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
207
|
Thu Dec 20 19:10:03 2007 |
waldman | Update | OMC | Stressful reattachment of heater | Photos may follow eventually, but for now
here's the rundown. I scraped the heater
clean of the thermal epoxy using a clean |
|
|
208
|
Thu Dec 20 21:57:34 2007 |
Andrey | Update | Computer Scripts / Programs | Measurements in XARM today |
Today at 2PM I started a program, it should
change the suspension gains in the interval |
|
|
210
|
Fri Dec 21 20:32:25 2007 |
tobin | Update | Photos | GigE camera | I couldn't resist any longer: I plugged in
the Prosilica GC 750 GigE camera and took
it for a spin. This is the little CMOS camera |
|
|
213
|
Wed Dec 26 15:00:06 2007 |
rana | Update | SUS | ETMY tripping | Steve mentioned to me that ETMY is still tripping
more than ETMX. The attached DV plot
shows the trend of the watchdog sensors; |
|
|
214
|
Wed Dec 26 15:12:48 2007 |
rana | Update | SUS | ETMY tripping | It turned out that the ETMY POS damping gain
was set to 1.0 while the ETMX had 3.8.
|
|
|
215
|
Thu Dec 27 12:12:02 2007 |
pkp | Update | | Update on GigE Camera | So I finally got the linux software to compile
on mafalda. I got the software to dump all
the information regarding the camera onto |
|
|
216
|
Thu Dec 27 13:08:04 2007 |
rana | Update | SUS | ETMY tripping | Here's a trend from the last 2 days of ETMX
and ETMY. You can see that the damping gain
increase
|
|
|
217
|
Thu Dec 27 18:18:56 2007 |
rana | Update | Computers | Update on GigE Camera | [quote]So I finally got the linux software
to compile on mafalda. I got the software
to dump all the information regarding the |
|
|
218
|
Sun Dec 30 02:36:35 2007 |
pkp | Update | General | Another update | So I followed suggestions 1 and 3 so far and
have started writing up what all needs to
be done in order to compile and use the camera. |
|
|
220
|
Thu Jan 3 08:53:55 2008 |
steve | Update | SUS | etmy vs etmx | Rana have corrected sus gain damping setting
of ETMY 8 days ago
|
|
|
221
|
Thu Jan 3 09:12:59 2008 |
steve | Update | PSL | MZ servo | Here is MZ trend for one year and 40 days.
Now days it runs out of range on the low
side.
|
|
|
222
|
Thu Jan 3 09:55:11 2008 |
steve | Update | SUS | etmy sus damping restored | ETMY watch dog was lost at midnight |
|
|
225
|
Fri Jan 4 08:42:03 2008 |
steve | Update | SUS | etmy trips again | ETMY sus damping tripped at 6am this morning
It was reset. We should put an accelerometer
to the south end to see
|
|
|
226
|
Mon Jan 7 09:01:39 2008 |
steve | Update | SUS | BS sus damping restored | The BS sus damping was lost at 8am Sunday
morning. |
|
|
227
|
Tue Jan 8 15:20:17 2008 |
Pkp | Update | Cameras | GigE update | [Tobin , Pinkesh]
Finally we got the camera doing something |
|
|
228
|
Wed Jan 9 10:47:15 2008 |
fricke | Update | Computers | ethernet wiring in office/control room | The electrical people have been here for three
days, installing ethernet cables and drops
in the 40m office area, in the old conduits |
|
|
230
|
Wed Jan 9 20:36:42 2008 |
Go | Update | Treasure | Money in lab | Go's Desk. |
|
|
232
|
Thu Jan 10 10:38:02 2008 |
steve | Update | SUS | etmy damping restored | The IST building onstruction has really started
yesterday and continuing today with big heavy
ground breaking
|
|
|
233
|
Thu Jan 10 12:08:23 2008 |
steve | Update | SUS | why did the BS move? | |
|
|
234
|
Thu Jan 10 13:45:52 2008 |
Pkp | Update | Cameras | GLIBC Error | So, I have tried to compile the camera files
which are in /cvs/cds/caltech/target/Prosilica/examples
for the past 2 days now and have been unable |
|
|
235
|
Thu Jan 10 15:04:04 2008 |
steve | Update | SUS | illuminator light effect on BS position | The bs chamber illuminator light was turned
on this morning and left on.
Earlier on Rana noticed that the bs moved.
|
|
|
236
|
Fri Jan 11 17:01:51 2008 |
pkp | Update | Cameras | GigE again | So, here I detail all the efforts on the GigE
so far
|
|
|
237
|
Mon Jan 14 14:41:09 2008 |
steve | Update | SUS | etmy sus damping restored & mz relocked | Tree days trend of MZ HV drift is typical
these days.
So as the etmy sus inability to hold damping |
|
|
239
|
Tue Jan 15 13:15:27 2008 |
tobin | Update | Environment | lots of noise | They're throwing concrete around at the construction
site. |
|
|
240
|
Wed Jan 16 14:06:24 2008 |
rob | Update | LSC | monday's locking | rob, tobin, johnnie
We did some locking work monday night, with |
|
|
241
|
Wed Jan 16 14:09:45 2008 |
rob | Update | LSC | tuesday's locking |
I got a little further with the locking (PRFPMI)
last night, after discovering that the cable |
|
|
242
|
Wed Jan 16 18:24:41 2008 |
rana | Update | SUS | ETMY Watchdog | Because [COLOR=purple][B]Steve keeps complaining
about ETMY[/B][/COLOR], I looked at some
minute trend to see if there was something |
|
|
244
|
Thu Jan 17 14:13:20 2008 |
rob | Update | LSC | Wednesday's locking | Incremental progress on locking yet again.
This time the handoff of DARM to the OMC
worked, and progress halted at handing off |
|
|
245
|
Thu Jan 17 15:11:13 2008 |
josephb | Update | Cameras | Working on Malfalda | 1) I can statically compile the ListCamera
code (which basically just goes out and finds
what cameras are connected to the network) |
|
|
246
|
Thu Jan 17 18:22:14 2008 |
Alberto | Update | Electronics | RF Monitor Band-pass Filter | After we finalized the schematic for the RF
monitor board based on buffered LC resonators,
on Richard Abbott's suggestion to avoid the |
|
|
247
|
Thu Jan 17 20:50:55 2008 |
tobin | Update | General | fiber coupling | Sam, John, and I matched the beam from an
NPRO into a fiber on the SP table today.
In doing so we used our GigE camera for |
|
|
248
|
Fri Jan 18 11:53:50 2008 |
Alberto | Update | Electronics | RF Monitor Band-pass Filter | The response is asymmetric and on the left
side of the peak, we have at least 33dB within
33Mhz, which is enough for all the frequencies. |
|
|
249
|
Fri Jan 18 15:31:47 2008 |
rob | Update | LSC | Thursday's locking |
[I]rob, johnnie, andrey[/I]
|
|
|
251
|
Mon Jan 21 23:30:03 2008 |
Andrey | Update | Computer Scripts / Programs | Matlab Program for Q-factor measurements (XARM -> ITMX and ETMX) |
Finally I overcame difficulties with adapting
Sonia's Matlab programs for XARM (Sonia's |
|
|
252
|
Tue Jan 22 02:33:45 2008 |
rob | Update | LSC | DRMI work |
0) The ETMY oplev needs work/centering
|
|
|
253
|
Tue Jan 22 13:11:03 2008 |
tobin | Update | ASC | ETMY oplev recentered | The light wasn't even on the diode. |
|
|
254
|
Wed Jan 23 09:27:55 2008 |
steve | Update | | etmy sus damping restored | Seismis event trips etmy |
|
|
255
|
Wed Jan 23 11:41:06 2008 |
steve | Update | PEM | sulfur smell in 40m | Led - acid car batteries were overcharged
in the machine shop next door
and sulfuric acid smell is coming over to |
|
|
258
|
Thu Jan 24 11:52:56 2008 |
steve | Update | PEM | the mud is cleaned up & MOPA shutter is opened | Safety glasses are required again!
I have just opened the mopa shutter.
|
|
|
264
|
Fri Jan 25 09:22:21 2008 |
steve | Update | PEM | burned toast award goes to | DYM for collaborating with the enemy.
In order to minimize the number of ants visiting |
|
|
268
|
Fri Jan 25 15:53:59 2008 |
Alberto | Update | Electronics | 40 dB from the 3rd order Chebyschev | I managed to tune the 7 knobs in the 3rd order
Chebyshev bandpass filter obtaining the tranfer
function attached to this entry. We have |
|
|
270
|
Fri Jan 25 21:36:40 2008 |
rana | Update | CDS | mDV / channel issues | [COLOR=orange]Fri Jan 25 21:30:00 2008[/COLOR]
|
|
|
273
|
Sat Jan 26 02:34:34 2008 |
Andrey | Update | Computer Scripts / Programs | Overnight Measuremts in XARM |
I am running the program for measuring RMS
of peaks in XARM tonight. I just started |
|
|
276
|
Sat Jan 26 22:00:03 2008 |
John | Update | General | LSC-TRY_OUT and ETMY-QPD | In the path from the ETM to the trans PD and
QPD at the Y end I have replaced a BS1-1064-10-2037-45P
with a polariser. The power falling on these |
|
|
278
|
Sun Jan 27 21:44:48 2008 |
rana | Update | CDS | Seismic BLRMS on Matlab | I wrote a matlab script to produce band limited
RMS trends from our accelerometers. It mimics
the code written
|
|
|
282
|
Mon Jan 28 18:56:47 2008 |
rana | Update | DMF | seisBLRMS 1.0 | [B]I made all of the updates I aludded to
before:[/B]
|
|
|
284
|
Tue Jan 29 14:56:39 2008 |
rob | Update | DMF | seisBLRMS 1.0 |
The [COLOR=red]seisBLRMS[/COLOR] 1.0 program
crashed at ~7:20 pm last night, so we didn't |
|
|
286
|
Wed Jan 30 13:09:55 2008 |
Andrey | Update | SUS | New results for XARM (pdf) |
See attachments: pdf-presentation with plots
in "true" axes Q_ETMX and Q_ITMX, and seismic |
|
|
287
|
Wed Jan 30 20:39:31 2008 |
rob | Update | DMF | seisBLRMS |
In order to reduce the probability of [COLOR=red]seisBLRMS[/COLOR] |
|
|
290
|
Fri Feb 1 10:43:05 2008 |
John | Update | Environment | Construction work | The boys next door have some [URL=http://dziban.ligo.caltech.edu:40/40m/?mode=full&reverse=0&reverse=1&npp=20&subtext=hammer]bigger
noisier[/URL] toys. |
|