| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
9037
|
Tue Aug 20 00:19:23 2013 |
rana | Update | LSC | PRMI / DRMI investigations | While Jenne was plotting, I locked and
aligned the MICH with AS55_Q. Then I aligned
the PRM and locked PRMI using REFL55_I/Q |
6x |
|
9036
|
Mon Aug 19 23:08:31 2013 |
Jenne | Update | LSC | DRMI sensing signals | Here are a bunch of sensing signals.
The configuration is always DRMI. Except
for the optic noted in the title and the |
11x |
|
9035
|
Mon Aug 19 19:08:35 2013 |
Koji | Update | Green Locking | Xend green layout corrections | - An Aluminum mirror instead of 2"
unknown mirror for the pick-off for the rejected
beam from the green faraday isolator (Steve) |
|
|
9034
|
Mon Aug 19 17:40:32 2013 |
Steve | Update | Green Locking | Xend green layout corrections | Shutter moved, no more clipping.
Pick-off mirror 2" replaced
by 1" one. Laseroptik HR 532nm, incident |
|
|
9033
|
Mon Aug 19 16:18:56 2013 |
manasa | Update | Green Locking | Xend green aligned | ASX scripts for PZT dither have been fixed
appropriately. Script resides in |
|
|
9032
|
Mon Aug 19 15:23:07 2013 |
Koji | Update | IOO | MC mirrors' ASC has non-zero inputs | [Jenne, Koji]
This disturbance in the MC ASC channels
were fixed. |
|
|
9031
|
Mon Aug 19 14:22:36 2013 |
rana | Update | Green Locking | Xend green aligned | |
|
|
9030
|
Mon Aug 19 11:30:20 2013 |
Jenne | Update | IOO | MC mirrors' ASC has non-zero inputs | [Masayuki, Jenne]
When I came in this morning, I noticed
that the Mode Cleaner had not been locked |
|
|
9029
|
Mon Aug 19 11:12:54 2013 |
Steve | Update | VAC | RGA scan at day 13 |
|
|
|
9028
|
Mon Aug 19 10:16:15 2013 |
Picasso | Metaphysics | Treasure | outsider art | |
|
|
9027
|
Mon Aug 19 10:03:17 2013 |
Steve | HowTo | General | how not to leave a cable | We can not leave cables connected like
this. This is a burned toast award. |
|
|
9026
|
Mon Aug 19 09:54:13 2013 |
Steve | Update | safety | Masayuki receives safety training | Masayuki Nakano, a student of Seiji's from
ICRR / U Tokyo, is visiting us here at the
40m lab for the next couple months. |
|
|
9025
|
Mon Aug 19 09:36:32 2013 |
Koji | Update | Green Locking | Xend green aligned | [Rana Koji]
This is an elog about the activity
on Friday night. |
|
|
9024
|
Mon Aug 19 07:53:48 2013 |
Steve | Update | SUS | ETMX damping restored | ETMX sus damping restored |
|
|
9023
|
Sun Aug 18 20:07:41 2013 |
rana | Update | Computer Scripts / Programs | userapps SVN up | JoeB and JamieR are working somewhat coherently
on a set of python libraries to fulfill all
of our command line CDS wants. This is being |
|
|
9022
|
Sun Aug 18 17:56:16 2013 |
rana | Summary | CDS | MEDM Screen CPU Usages | I noticed at LLO (?) that the LSC screen
there uses up ~25-30% of the CPU time on
a single core for the control room iMac workstations |
|
|
9021
|
Sun Aug 18 16:04:07 2013 |
rana | Summary | CDS | FB lights all RED: mxstream restart | Sun Aug 18 15:52:50 2013
Found the FB lights (C1:FEC-NN_FB_NET_STATUS
and C1:DAQ-DC0_C1XXX_STATUS) RED for everything |
|
|
9020
|
Fri Aug 16 21:15:04 2013 |
rana | Update | CDS | New/old CDS laptop for X-End | I took the "aso-laptop" and made
it into Ubuntu a couple months ago. Today
I added it to the Martian network and then |
|
|
9019
|
Fri Aug 16 19:36:49 2013 |
Charles | Update | PSL | PMC_trans Channel | Rana and I connected the PMC_trans output
to the BNC connector board on the west end
of the PSL table (the channel is labeled). |
|
|
9018
|
Fri Aug 16 13:25:50 2013 |
Koji | Update | ASS | ASX model/screen cleaning up | [Koji Manasa]
Yesterday we cleaned up the ASX model
and screens to have more straight forward |
|
|
9017
|
Fri Aug 16 09:35:18 2013 |
Steve | Update | VAC | Vacuum Normal state recognition is back |
|
|
|
9016
|
Thu Aug 15 21:42:53 2013 |
Charles | Update | ISS | ISS - Schematic + PCB Layout | After many, many moons of getting
to know exactly how frustrating Altium can
be, I have completed the PCB layout for my |
|
|
9015
|
Thu Aug 15 19:05:07 2013 |
manasa | Update | Green Locking | ALS out of loop noise | Beat notes were recovered for both the
arms.
I locked the arms to IR using PDH |
|
|
9014
|
Thu Aug 15 12:30:17 2013 |
manasa | Update | Green Locking | Lost beat notes | [Koji, Nic, Manasa]
Update from last night.
Koji and I realigned the green optics |
|
|
9013
|
Thu Aug 15 09:34:12 2013 |
Steve | Update | General | Wilcoxon cables rescued | Eric and Steve,
We removed Wilcoxon Accelerometer
PS and Amplifier unit under the BS optical |
|
|
9012
|
Thu Aug 15 01:51:50 2013 |
Koji | Summary | General | RFM<->Dolphin bridge distributed to c1rfm and c1mcs | Since the RFM-Dolphin bridges for the ASX
model was added to the c1rfm model, c1rfm
kept timing-out from the single sample time |
|
|
9011
|
Wed Aug 14 08:24:20 2013 |
Steve | Update | VAC | pumpdown at day 8 |
|
|
|
9010
|
Tue Aug 13 22:21:12 2013 |
Koji | Summary | General | Minicircuit Filter TFs (AG4395A test) | As a part of the network analyzer test
in the previous entry, the transfer functions
of Mini-Circuits filters we have at the 40m |
|
|
9009
|
Tue Aug 13 21:49:32 2013 |
Koji | Summary | General | Testing new AG4395A network analyzer | New AG4395, sn MY41101114 for West
Bridge Labs was delivered. For the test purpose
it is at the 40m now. |
|
|
9008
|
Tue Aug 13 21:09:03 2013 |
manasa | Update | Green Locking | Arms ready for ALS | I aligned
both the X and Y end green to the arms.
The transmitted green were aligned |
|
|
9007
|
Tue Aug 13 17:20:54 2013 |
Koji | Update | CDS | [Fixed] c1iscex needs help | c1x01 timing issue was solved. Now all
of the models on c1iscex are nicely running.
Symptons |
|
|
9006
|
Tue Aug 13 13:30:41 2013 |
Alex Cole | Configuration | Electronics | Cable Routing | I routed cables (RG405 SMA-SMA) from
several demodulator boards in rack 1Y2 to
the RF Switch in rack 1Y1 using the overhead |
|
|
9005
|
Tue Aug 13 11:54:40 2013 |
Alex Cole | HowTo | Electronics | RF PD Fiber-Coupled Laser Operation | This post pertains to the fiber-coupled
diode laser mounted in rack 1Y1.
To turn the laser on, first turn |
|
|
9004
|
Tue Aug 13 11:40:19 2013 |
Alex Cole | Summary | Electronics | RFPD Demod Filter Frequency Response Measurement | For the RF PD Frequency Response
Measurement project, we get each PD signal
from the "PD RF Mon" output of |
|
|
9003
|
Tue Aug 13 11:04:44 2013 |
Steve | Update | PEM | fluorecent lights | Our fluorecent
lights became obsolete. We'll have
change fixtures over to some more energy |
|
|
9002
|
Tue Aug 13 07:40:53 2013 |
Steve | Update | CDS | c1iscex needs help |
Sorrensen ps ouput of +15V
at rack 1X9 was current limited to 10.3V |
|
|
9001
|
Mon Aug 12 23:13:14 2013 |
Jenne | Update | ASC | PRCL ASS software in place |
|
|
|
9000
|
Mon Aug 12 21:27:03 2013 |
manasa | Update | CDS | c1iscex needs help | I started to modify the c1asx model to
reduce the RFM model from hitting its max
time. |
|
|
8999
|
Mon Aug 12 17:30:03 2013 |
Koji | Update | ASC | PRCL ASS software in place | Why POPDC??? |
|
|
8998
|
Mon Aug 12 15:39:40 2013 |
Jenne | Update | ASC | PRCL ASS screens in place | I have added the PRCL ASS to the main ASS
screen, and created the servo and lockin
screens. The filters loaded are the |
|
|
8997
|
Mon Aug 12 14:05:34 2013 |
Jenne | Update | ASC | PRCL ASS software in place |
|
|
|
8996
|
Mon Aug 12 13:30:33 2013 |
Jamie | Update | CDS | X-End Green ASS - Roundup |
|
|
|
8995
|
Mon Aug 12 12:57:59 2013 |
Jenne | Update | CDS | X-End Green ASS - Roundup |
|
|
|
8994
|
Mon Aug 12 10:44:22 2013 |
rana | Update | LSC | PRMI(sb) lock recovered | In the past, we used to use
Stefan's 'ezcademod' or Matt's 'ezlockin'
to do auto phase adjustment. |
|
|
8993
|
Sat Aug 10 05:53:51 2013 |
gautam | Update | CDS | X-End Green ASS - Roundup | Over
the last three days, I've had the interferometer
to test and optimize the ASX Servo. Based |
|
|
8992
|
Fri Aug 9 22:51:37 2013 |
Koji | Update | LSC | PRMI(sb) lock recovered | PRMI(sb) lock
was recovered |
|
|
8991
|
Fri Aug 9 21:05:28 2013 |
Koji | Update | SUS | fixed: SRM coils fine - problem with slow bias slider | Now the SRM Yaw bias in yaw is functional
without any strage behavior.
|
|
|
8990
|
Fri Aug 9 16:49:35 2013 |
Jenne, manasa | Update | Electronics | Post-vent alignment cont'd - RFPDs | Notes to the fiber team:
I am aligning beam onto the RFPDs
(I have finished all 4 REFL diodes, and AS55), |
|
|
8989
|
Thu Aug 8 21:25:36 2013 |
Koji | Update | General | Post-vent alignment cont'd | - IPANG aligned on the QPD. The beam seems
to be partially clipped in the chamber.
- Oplev of the IFO mirrors are aligned. |
|
|
8988
|
Thu Aug 8 18:47:41 2013 |
Sujan | Summary | PEM | Using weiner filters for subtracting signals MC_L and GUR2_X | I used MC_L signal from the Mode Cleaner
as the desired signal with GUR2_X as witness
signals. I observed good subtraction where |
|