| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
4279
|
Sun Feb 13 16:20:53 2011 |
Suresh | Update | Electronics | REFL11 Photodiode replaced | It is 0.375 mW as in the calculation.
The total diode output is just 1mW and it
is divided with a 50/50 beam splitter... |
|
|
4280
|
Sun Feb 13 16:50:17 2011 |
kiwamu | Update | ASC | IP_ANG was at wrong ADC | I found that |
|
|
4281
|
Mon Feb 14 00:39:21 2011 |
rana, suresh | Update | Electronics | VCO Frequency Noise Measurement with the MFD | We hooked up the VCO Driver output to the
MFD. We adjusted the levels with attenuators
to match up to the Level 7 mixer that's being |
|
|
4282
|
Mon Feb 14 01:19:18 2011 |
rana | Update | CDS | Today's CDS problems | This is just a listing of CDS problems
I still notice today:
MC2-MCL |
|
|
4284
|
Mon Feb 14 07:37:13 2011 |
Suresh | Update | Electronics | RF Generation Box: capacitors across power lines |
There were several parts in this
box which did not have shunting capacitors |
|
|
4285
|
Mon Feb 14 07:58:43 2011 |
Suresh | Update | CDS | Today's CDS problems |
I am concentrating on the
RF system just now and will be attending |
|
|
4286
|
Mon Feb 14 11:23:24 2011 |
steve | Update | SAFETY | enclosure door upgrade | The #3 enclosure door was removed for the
carpenter shop this morning. They will make
5 full size doors with window on each. |
|
|
4287
|
Mon Feb 14 12:37:23 2011 |
kiwamu | Update | ASC | no signal from IP_ANG_Seg1 | It turns out there are no reasonable
signal from the segment 1 on the IP_ANG QPD.
|
|
|
4289
|
Mon Feb 14 15:59:49 2011 |
Jenne | Update | IOO | WFS quantum efficiency as a function of angle | [Larisa and Jenne]
A few weeks ago (on the 28th of January)
I had tried to measure the quantum efficiency |
|
|
4290
|
Mon Feb 14 17:16:47 2011 |
steve | Update | General | racks, breakers labeled | The south arm labels were changed from
y to x to reflect reality.
So racks, manual disconnects and |
|
|
4291
|
Mon Feb 14 18:27:39 2011 |
josephb | Update | CDS | Began updating to latest CDS svn, reverted to previous state | [Joe, Alex]
This morning I began the process
of bringing our copy of the CDS code up to |
|
|
4292
|
Mon Feb 14 21:59:35 2011 |
rana | Update | CDS | Updated some DAQ channel names | Although Joe and Kiwamu claim
that they have inserted the correct DAQ names
for the OPLEVs (e.g. PERROR and YERROR) back |
|
|
4295
|
Tue Feb 15 03:10:37 2011 |
kiwamu | Update | ASC | IR beam alignment for Xarm : TRX reduction | I tried aligning the IR beam axis for
the X arm to have good beam centering on
ITMX and ETMX. |
|
|
4296
|
Tue Feb 15 06:15:07 2011 |
Suresh | Update | ASC | no signal from IP_ANG_Seg1 | [Valery, kiwamu, Jenne, Suresh]
I first interchanged
the two QPD's on the Y end table to see if |
|
|
4298
|
Tue Feb 15 11:43:53 2011 |
Jenne | Update | Computers | Occasional error with NDS2 | Just in case anyone has encountered this
/ knows how to fix it....
I'm running NDS2 on Rossa, trying |
|
|
4300
|
Tue Feb 15 11:56:17 2011 |
josephb | Update | CDS | Updated some DAQ channel names | That is my fault for not running the activateDAQ.py
script after a round of rebuilds. I have
run the script this morning, and confirmed |
|
|
4302
|
Tue Feb 15 15:06:25 2011 |
josephb | Update | CDS | CDS todo list for tomorrow morning | Currently, there is a test directory called
/opt/rtcds/caltech/c1/new_core where we have
the latest svn checkout. Tomorrow (after |
|
|
4303
|
Tue Feb 15 17:48:22 2011 |
Jenne | Update | IOO | Mode Cleaner resonating again | [Valera, Jenne]
After Steve and Valera switched out
the PMC, the Mode Cleaner resonance needed |
|
|
4304
|
Tue Feb 15 21:45:08 2011 |
rana | Update | IOO | The MC TRANS Story | I forgot
to elog that last night I touched
up the MC2_TRANS QPD setup |
|
|
4305
|
Wed Feb 16 01:03:59 2011 |
Jenne | Update | IOO | MC alignment work | So.... Kiwamu and I were concerned (still
a little concerned) that ETMY is not damping
as nicely as it should be. (It's fine, |
|
|
4306
|
Wed Feb 16 02:04:11 2011 |
kiwamu | Update | ASC | IR beam alignment | [Jenne and Kiwamu]
This time we aligned the vertical |
|
|
4307
|
Wed Feb 16 10:35:40 2011 |
Larisa Thorne | Update | IOO | WFS quantum efficiency as a function of angle | Here is the followup on Jenne's February
14th, 2011 update on the quantum efficiency
measurements of WFS2. |
|
|
4308
|
Wed Feb 16 12:16:14 2011 |
josephb | Update | CDS | Fixed Optical level SUM channel names | [Joe,Valera]
Valera
pointed out the OPLEV SUM channels were incorrect. |
|
|
4309
|
Wed Feb 16 23:54:34 2011 |
rana | Update | CDS | Today's CDS problems |
ETMX cannot load his filter
coefficients. Even if I change the file,
the load button doesn't work. I tried changing |
|
|
4311
|
Thu Feb 17 11:20:04 2011 |
josephb | Update | CDS | start scripts no longer need sudo | I've modified the rc.local file to run
the IOC codes as controls, which means they
no longer write root permission log files |
|
|
4312
|
Thu Feb 17 11:49:48 2011 |
josephb | Update | CDS | Front end start/stop scripts go to /scripts/FE again | I modified the core/advLigoRTS/Makefile
to once again place the startc1SYS and killc1SYS
scripts in the scripts/FE/ directory. |
|
|
4313
|
Thu Feb 17 11:51:14 2011 |
josephb | Update | CDS | Lockin filter names too long - broke loading | Problem:
Could not load filters into the C1:SUS-ETMX_LOCKIN1_SIG
filter bank. |
|
|
4314
|
Thu Feb 17 13:20:06 2011 |
Suresh | Update | VIDEO | Some more labels | [Larisa, Kiwamu, Steve and Suresh]
We continued the labeling |
|
|
4315
|
Thu Feb 17 14:17:27 2011 |
Suresh | Update | Electronics | RF Distribution box and REFL11 |
The Distribution box is several steps
nearer to completion. |
|
|
4316
|
Thu Feb 17 14:52:27 2011 |
Jenne | Update | IOO | MC alignment work | I worked a little bit more on optimizing
the mode matching to the MC, but it's still
not great. I've only gotten a visibility |
|
|
4318
|
Thu Feb 17 23:11:40 2011 |
rana | Update | Electronics | VCO Frequency Noise Measurement with the MFD | This is the 140 ft. MFD measurement of
the VCO phase noise. It is open loop
and so should be a good measurement. The |
|
|
4320
|
Thu Feb 17 23:56:53 2011 |
josephb | Update | CDS | Daqd was rebuilt, now reverted. | As one of the trouble shooting steps for
the daqd (i.e. framebuilder) I rebuilt the
daqd executable. My guess is somewhere |
|
|
4321
|
Fri Feb 18 00:13:55 2011 |
kiwamu | Update | CDS | Re:Daqd was rebuilt, now reverted. | THANK
YOU, JOE !!! |
|
|
4323
|
Fri Feb 18 13:41:22 2011 |
josephb | Update | CDS | CDS fixes | I talked to Alex today and had two things
fixed:
First the maximum length of filter |
|
|
4324
|
Fri Feb 18 15:05:49 2011 |
kiwamu | Update | Green Locking | transfer function of angle to beat note (length) | [Koji and Kiwamu]
We |
|
|
4325
|
Fri Feb 18 17:52:25 2011 |
josephb, valera | Update | CDS | c1ass updated | We updated
the c1ass model to include the BS.
We removed the dither excitation of the PZTs. |
|
|
4330
|
Sat Feb 19 05:25:20 2011 |
Suresh | Update | Electronics | RF: Distribution box | Most of the RF cables required for the
box are done. There are two remaining
and we will attend to these tonight. |
|
|
4332
|
Mon Feb 21 11:05:51 2011 |
Zach | Update | elog | restarted | I restarted the elog using the script. |
|
|
4336
|
Tue Feb 22 00:41:34 2011 |
Suresh | Update | Electronics | RF Distribution box: assembly completed | The mechanical assembly of RF distribution
box is 99% complete. Some of the components
may be bolted to the teflon base plate if |
|
|
4337
|
Tue Feb 22 11:53:38 2011 |
steve | Update | Electronics | RF Distribution box: assembly completed |
|
|
|
4338
|
Tue Feb 22 14:37:24 2011 |
steve | Update | SAFETY | Larisa received 40m safety training | Larisa Thorne received 40m lab specific,
basic safety training. She will attend P.
King's Basic Laser Safety Training Session |
|
|
4339
|
Tue Feb 22 23:11:42 2011 |
valera | Update | | new medm screens: C1ASS.adl and C1MCASS.adl | |
|
|
4340
|
Tue Feb 22 23:40:31 2011 |
Koji | Update | IOO | MC mode mach improvement | As per Kiwamu's request I made a light
touch to the input steering and the mode
matching lens. |
|
|
4341
|
Wed Feb 23 04:56:59 2011 |
kiwamu | Update | Green Locking | noise curve update | New
noise spectra of the green locking have been
updated. |
|
|
4342
|
Wed Feb 23 08:53:58 2011 |
Suresh | Update | Electronics | RF Distribution box: Output power levels | We wish to have roughly 2 dBm of output
power on each line coming out of the RF distribution
box. So I adjusted the attenuators |
|
|
4344
|
Wed Feb 23 11:53:30 2011 |
josephb | Update | CDS | Updated mx drivers | Alex and I updated the open mx drivers
from 1.3.3 to 1.3.901 (1.4 release candidate).
We downloaded the drivers from: |
|
|
4346
|
Wed Feb 23 16:56:17 2011 |
Larisa Thorne | Update | VIDEO | Cable laying...continued | Having finished labeling the existing cables
to match their new names, we (Steve, Kiwamu
and Larisa) moved on to start laying new |
|
|
4347
|
Thu Feb 24 00:54:33 2011 |
Kevin | Update | Electronics | Calculated Dark Noise for POX and POY | [Kevin, Rana, Koji]
I calculated the dark noise of POX
and POY due to Johnson noise and voltage |
|
|
4348
|
Thu Feb 24 10:56:04 2011 |
Jenne | Update | WienerFiltering | One month of H1 S5 data is now on Rossa | Just in case anyone else wants to access
it, we now have 30 days of H1 S5 DARM data
sitting on Rossa's harddrive. It's |
|
|
4349
|
Thu Feb 24 11:18:08 2011 |
steve | Update | SUS | SRM sus-cables | Cheater cables for SRM sus
tied up. They were dangling aimlessly on
the floor. |
|