| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
9597
|
Tue Feb 4 17:40:19 2014 |
manasa | Update | General | Ready for pump down?? |
|
|
|
9596
|
Tue Feb 4 16:43:50 2014 |
manasa | Update | General | IFO alignment update | [EricQ, Manasa]
We are close to the end of the vent
except for a couple of issues. |
|
|
9595
|
Tue Feb 4 01:02:03 2014 |
Koji | Update | Green Locking | ETMX green power | Manasa, Steve: Please revisit the Xend
oven temperature again.
|
|
|
9594
|
Tue Feb 4 00:42:18 2014 |
Koji | Update | General | X arm aligned for IR/GR | The
X arm was also aligned for the IR by hand
and ASS. Also the X end green PZT was aligned |
|
|
9593
|
Mon Feb 3 23:31:33 2014 |
Manasa | Update | General | Alignment update / Y arm locked | [EricQ, Manasa, Koji]
We measured the spot positions on
the MC mirrors and redid the MC alignment |
|
|
9592
|
Mon Feb 3 15:57:52 2014 |
Steve | Update | Green Locking | ETMX green power | There was 0.2 mW green at the X end.
The doubling oven temp was changed
from 37.5 to 36 degrees C |
|
|
9591
|
Mon Feb 3 10:17:14 2014 |
Steve | Update | PEM | dusty surfaces | Please wet WIPE |
|
|
9590
|
Fri Jan 31 19:29:36 2014 |
Gabriele | Summary | LSC | PRC and SRC lengths | Today we measured the missing distance
to reconstruct SRC length.
I also changed the way the mirror |
|
|
9589
|
Fri Jan 31 18:41:25 2014 |
manasa | Update | General | IFO alignment update | [EricQ, Gabriele, Manasa]
We found we had lost the Y arm pointing
from yesterday. We tried to recover the pointing |
|
|
9588
|
Thu Jan 30 19:00:25 2014 |
Gabriele | Summary | LSC | PRC length changed | [Manasa,
EricQ, Gabriele]
Today |
|
|
9587
|
Thu Jan 30 11:59:03 2014 |
manasa | Update | CDS | fb timing was off |
|
|
|
9586
|
Wed Jan 29 21:01:03 2014 |
Gabriele | Summary | LSC | PRC length measurement analysis | [Manasa,
EricQ, Gabriele]
We |
|
|
9585
|
Wed Jan 29 16:36:37 2014 |
Koji | Summary | General | High power beam blasting of the aLIGO RFPD | [Rich, Jay, Koji]
We blasted the aLIGO RF PD with a
1W IR beam. We did not find any obvious damage. |
|
|
9584
|
Tue Jan 28 23:32:12 2014 |
Koji | Update | General | X/Y arm locked with the IR beam | [Koji EricQ]
The both arms have been locked
with IR and aligned by ASS. |
|
|
9583
|
Tue Jan 28 22:24:46 2014 |
ericq | Update | General | Further Alignment | [Masasa, ericq]
Having no luck doing things remotely,
we went into the ITMX chamber and roughly |
|
|
9582
|
Tue Jan 28 16:26:40 2014 |
Steve | Update | VAC | vacuum computers are back without safety |
|
|
|
9581
|
Tue Jan 28 11:13:50 2014 |
Koji | Update | VAC | vacuum monitor is still blank | [Steve Koji]
We
pushed the reset button of c1vac1 and c1vac2 |
|
|
9580
|
Tue Jan 28 09:51:47 2014 |
Steve | Update | IOO | low power pointing |
PSL output is stable. |
|
|
9579
|
Mon Jan 27 21:36:35 2014 |
ericq | Update | General | Vent so far | After turning the slow FSS threshold down,
the mode cleaner stays locked enough to do
other things. We were able to align the tip |
|
|
9578
|
Mon Jan 27 17:49:46 2014 |
rana | HowTo | Computer Scripts / Programs | sendmail started on nodus: fixing SwiftMail on Dokuwiki | Since the recent filesystem fracas, the
new accounts could not be created on nodus
/ dokuwiki (for the controls workshop, for |
|
|
9577
|
Mon Jan 27 12:26:00 2014 |
Koji | Update | IOO | IOO Slow Actuator Servo threshold changed | In order to activate the slow actuator
servo for the MC locking,
the threshold level for this servo |
|
|
9576
|
Mon Jan 27 09:08:00 2014 |
Steve | Update | VAC | 4 days at atmosphere |
|
|
|
9575
|
Sat Jan 25 21:09:16 2014 |
gabriele | HowTo | LSC | Procedure to measure PRC length | I know the drawing is wrong.
I put random distances, not realistic ones,
and I did not try to get something close |
|
|
9574
|
Fri Jan 24 13:10:12 2014 |
Jamie | HowTo | LSC | Procedure to measure PRC length |
|
|
|
9573
|
Fri Jan 24 12:44:25 2014 |
Gabriele | HowTo | LSC | Procedure to measure PRC length | Here is how to measure the PRC length with
a set of distance measurements in the optical
setup. |
8x |
|
9572
|
Thu Jan 23 23:10:19 2014 |
ericq | Update | General | Vent so far | [ericq, Manasa, Jenne]
Summary: We opened up the
BS and both ITM chambers today, and put the |
|
|
9571
|
Thu Jan 23 13:23:10 2014 |
Steve | Update | VAC | 40m IFO is at atmosphere |
|
|
|
9570
|
Thu Jan 23 08:04:04 2014 |
Steve | Update | VAC | vacuum control screen is blank |
There is |
|
|
9568
|
Wed Jan 22 20:00:41 2014 |
Jenne | Update | General | VENT GO! | Steve, please begin
the vent!! |
|
|
9567
|
Wed Jan 22 18:17:46 2014 |
Jenne | Update | CDS | fb timing was off | Since this morning, the fb's timing has
been off. Steve pointed it out to me
earlier today, but I didn't have a chance |
|
|
9566
|
Wed Jan 22 16:36:45 2014 |
ericq | Update | Electronics | RF distribution box power button fail |
|
|
|
9565
|
Wed Jan 22 15:24:11 2014 |
Steve | Summary | VAC | Rga scan after reboot |
|
|
|
9564
|
Wed Jan 22 09:05:42 2014 |
Gabriele | Configuration | LSC | REFL11 back | Yesterday night I plugged back the
REFL11 RF cable into the corresponding demodulation
board. |
|
|
9563
|
Tue Jan 21 19:41:59 2014 |
Jenne | Update | Electronics | RF distribution box power button fail | Rana, Gabriele and I are trying to measure
the FSR of the PRC (elog about that later),
and we turned off the power to the RF generation |
|
|
9562
|
Tue Jan 21 17:26:59 2014 |
Jenne | Summary | VAC | Rebooted RGA computer and reset RGA settings | [Jenne, Steve]
Steve noticed that the RGA was not
logging data and that not all the correct |
|
|
9561
|
Fri Jan 17 11:44:25 2014 |
Gabriele | Summary | LSC | More length measurements, more confusion | I analyzed the data taken yesterday.
The AS11 data in PRMI configuration
is very bad, while the AS55 seems good enough: |
|
|
9560
|
Thu Jan 16 21:38:13 2014 |
ericq | Update | LSC | Repeat of PRC length measurement | [ericq,Jenne]
Since we don't have agreement between
the measurements we made the other day and |
|
|
9559
|
Thu Jan 16 08:19:29 2014 |
Steve | Update | PEM | 4.4 and 3.8M local earth quakes |
|
|
|
9558
|
Wed Jan 15 18:42:57 2014 |
Jenne | Update | ASC | POP ASC QPD offline for a few hours this afternoon | I was in the lab, near the south end of
the ITMX oplev table, looking for something,
and I bumped the POP ASC QPD's power supply. |
|
|
9557
|
Wed Jan 15 18:18:15 2014 |
Gabriele | Summary | LSC | PRC length measurement analysis | I analyzed the data we took yesterday,
both using AS11 and AS55. For each value
of the phase I estimated the Q/P ratio using |
|
|
9556
|
Wed Jan 15 13:05:30 2014 |
Jenne | Update | PEM | 4.4 EQ in Fontana, CA | It looks like there was a 4.4 magnitude
earthquake near Fontana, CA around 1:30am
today. This tripped all of the suspension |
|
|
9555
|
Tue Jan 14 19:10:51 2014 |
Gabriele | Summary | LSC | PRC length measurement | [EricQ, Gabriele]
We could carry out the measurement
of PRC length. The AS110 photodiode was plugged |
|
|
9554
|
Tue Jan 14 19:05:48 2014 |
Gabriele | Summary | LSC | PRMI locked on sideband | [Gabriele, EricQ]
Finally, we managed to lock PRMI
on sidebands: |
|
|
9553
|
Tue Jan 14 10:34:57 2014 |
Steve | Update | PSL | green transmission measurment | GariLyn is using our green light on the
west side of the PSL table. The green PDA36As
were moved and the HEPA turned up to 60V |
|
|
9552
|
Tue Jan 14 10:12:12 2014 |
Steve | Update | PSL | laser drift monitor set up idea |
|
|
|
9551
|
Mon Jan 13 19:31:04 2014 |
Gabriele | Summary | LSC | PRMI locking | [Gabriele, EricQ]
We wanted to try the PRC length measurement,but
we ended up spending all the afternoon to |
|
|
9550
|
Mon Jan 13 16:50:55 2014 |
Steve | Update | VAC | Maglev controller needs service |
|
|
|
9549
|
Mon Jan 13 11:08:48 2014 |
Steve | Update | PSL | 3 good days of IOO pointing | Three good days of IOO pointing:
Friday, Sat and Sun What
was changed? May be the clamping on |
|
|
9548
|
Sun Jan 12 09:57:24 2014 |
Gabriele | Summary | LSC | Effect of PRC length mismatch on error signals |
|
|
|
9547
|
Fri Jan 10 15:33:02 2014 |
Steve | Update | PSL | laser drift monitor set up idea |
|
|