| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
7809
|
Tue Dec 11 10:09:04 2012 |
Ayaka | HowTo | PEM | cables needs care |
|
|
|
7808
|
Tue Dec 11 09:31:47 2012 |
Ayaka | Update | LSC | Oplev update for improving sensitivity | Motivation
We observed that oplev servos affect |
7x |
|
7807
|
Tue Dec 11 08:53:52 2012 |
Steve | HowTo | PEM | cables needs care | How NOT
to:
The |
|
|
7806
|
Mon Dec 10 22:34:34 2012 |
Den | Update | LSC | beam inside DRMI is clipping on PR3 Tip-Tilt |
|
|
|
7805
|
Mon Dec 10 16:28:13 2012 |
jamie | Omnistructure | Computers | progressive retrieval of online data now possible with the new NDS2 client | Leo fixed an issue with the new nds2-client
packages that was preventing it from retrieving
online data. It's working now from |
|
|
7804
|
Mon Dec 10 10:13:41 2012 |
Den | Update | LSC | beam inside DRMI is clipping on PR3 Tip-Tilt |
That's OK, but its best to use standard
notation. The power recycling gain is defined |
|
|
7803
|
Mon Dec 10 03:02:03 2012 |
Den | Update | LSC | beam inside DRMI is clipping on PR3 Tip-Tilt |
|
|
|
7802
|
Sun Dec 9 17:51:53 2012 |
rana | Update | LSC | beam inside DRMI is clipping on PR3 Tip-Tilt |
Some explanation of how you
define power buildup please. Also some plots |
|
|
7801
|
Sun Dec 9 01:21:51 2012 |
Den | Update | LSC | beam inside DRMI is clipping on PR3 Tip-Tilt |
|
6x |
|
7800
|
Sat Dec 8 04:12:38 2012 |
Den | Update | LSC | prcl | Today I wanted to check that AS and
REFL beams are real and contain proper information
about interferometer. For this I locked YARM |
|
|
7799
|
Fri Dec 7 20:34:31 2012 |
Ayaka | Update | SUS | oplevs as acoustic and seismic noise couplers at high frequencies | I will
just leave the picture of spectrum that shows
the injected acoustic sound effects due to |
|
|
7798
|
Fri Dec 7 19:24:43 2012 |
Den, Ayaka | Update | SUS | oplevs as acoustic and seismic noise couplers at high frequencies | We've provided acoustic excitation using
speakers on the AS table and saw that PSD
of YARM feedback signal increased in the |
|
|
7797
|
Fri Dec 7 02:02:23 2012 |
Den | Update | Alignment | c1ass |
|
|
|
7796
|
Fri Dec 7 00:08:39 2012 |
rana | Update | Alignment | c1ass |
This looks like a good performance
tuning for these. It would be good if you |
|
|
7795
|
Thu Dec 6 02:55:46 2012 |
Den | Update | Alignment | c1ass | Today I've set c1ass model to improve alignment
of X and Y arms. I've added all measured
parameters to ASS scripts. I've also added |
|
|
7794
|
Wed Dec 5 17:38:41 2012 |
Riju | HowTo | | Photodiode transimpedance | I have started making the circuit to measure
the transimpedance for the photodiode PDA10CF
using Jenne's laser. I will continue it tomorrow. |
|
|
7793
|
Wed Dec 5 16:54:29 2012 |
jamie | Omnistructure | Computers | new (beta) version of NDS2 installed on control room machines |
|
|
|
7792
|
Wed Dec 5 09:53:01 2012 |
rana | Update | WienerFiltering | The microphones and the speaker on the AP table | Don't
try to re-invent the mic mount: just copy
the LIGO mic mount for the first version. |
|
|
7791
|
Wed Dec 5 09:42:46 2012 |
rana | Omnistructure | Computers | new (beta) version of NDS2 installed on control room machines | NDS2 is not designed for non DQ channels
- it gets data from the frames, not through
NDS1. |
|
|
7790
|
Wed Dec 5 03:25:32 2012 |
Den | Update | ASC | dithering | I wanted to center beams on the XARM cavity
mirrors using c1ass model. I've run XARM
setup script and then turned dithering on. |
|
|
7789
|
Wed Dec 5 01:06:22 2012 |
Ayaka | Update | WienerFiltering | The microphones and the speaker on the AP table | In order to see the acoustic coupling
on arm signals, I set 6 microphones and the
speaker on the AP table. The microphones |
|
|
7788
|
Tue Dec 4 23:08:46 2012 |
Den | Omnistructure | Computers | new (beta) version of nds2 installed on control room machines |
|
|
|
7787
|
Tue Dec 4 21:57:04 2012 |
Den | Update | SUS | TTs are ready |
|
|
|
7786
|
Tue Dec 4 20:38:51 2012 |
jamie | Omnistructure | Computers | new (beta) version of nds2 installed on control room machines | I've installed the new nds2 packages on
the control room machines.
These new packages include some new |
|
|
7785
|
Tue Dec 4 20:13:55 2012 |
Koji | Update | SUS | TTs are ready | Please
leave here what was the instruction by Bran |
|
|
7784
|
Tue Dec 4 18:53:50 2012 |
Ayaka | Update | Alignment | BS chamber | BS chamber seemed to be kicked again around
10:00 am today.
I moved PZT mainly in YAW and locked |
|
|
7783
|
Tue Dec 4 18:06:35 2012 |
Den | Update | SUS | TTs are ready | Using instructions from Bram and
Suresh, I was able to plug in connectors
to BOSEMs. Today I've tested electronics, |
|
|
7782
|
Tue Dec 4 11:30:36 2012 |
Zach | Update | PSL | PMC calibration for MC_F calibration | In order to have less unknown, you can
calibrate the PMC PZT separately. Lock the
PMC and take a transfer function from either |
|
|
7781
|
Tue Dec 4 10:51:10 2012 |
Steve | Update | SUS | PRM damping restored | PRM oplev gains set to zero from PIT 0.15
and YAW -0.3 and damping restored |
|
|
7780
|
Tue Dec 4 10:44:36 2012 |
Steve | Update | PEM | short power outage | |
|
|
7779
|
Tue Dec 4 01:43:37 2012 |
rana | Update | PSL | PMC calibration for MC_F calibration | If you can't find the PMC sidebands
in the transmission, its because the SNR
is too small. |
|
|
7778
|
Mon Dec 3 17:04:12 2012 |
Ayaka | Update | PSL | PMC calibration for MC_F calibration | In order to calibrate MC_F signal, I need
to know the calibration value from thorlab's
PZT driver to laser frequency. |
|
|
7777
|
Mon Dec 3 16:37:09 2012 |
Steve | Update | PEM | EM 172 microphones ordered |
|
|
|
7776
|
Mon Dec 3 07:40:00 2012 |
Steve | HowTo | Alignment | how was the BS chamber misalinged |
|
|
|
7775
|
Sun Dec 2 00:37:49 2012 |
Den | Update | SUS | TT cable problem | This week I've got all TT stuff baked
and today was testing eddy current damping
and electronics. |
6x |
|
7774
|
Sat Dec 1 16:58:14 2012 |
Manasa | Update | WIKI-40M Update | Optical tables | I have updated the wiki with the layout
of the out-of-vac optical tables: Updated |
|
|
7773
|
Sat Dec 1 13:56:38 2012 |
rana | Update | Alignment | BS chamber |
Whoever was working
around the BS chamber at 11 AM on Friday |
|
|
7772
|
Sat Dec 1 00:24:37 2012 |
Den, Ayaka | Update | Alignment | BS chamber | Today at 11:13 AM the stack of invacuum
BS table was kicked and IFO misaligned. We
adjusted PZT2 voltage by ~20 V in yaw such |
|
|
7771
|
Sat Dec 1 00:13:16 2012 |
Den | Update | Adaptive Filtering | ARMS and MC |
|
|
|
7770
|
Fri Nov 30 23:10:36 2012 |
Charles | Update | Electronics | Vertex Illuminators | 3 of the 4 remote controlled illuminators
at the vertex are installed and can now be
turned on via sitemap. There are a total |
|
|
7769
|
Fri Nov 30 22:11:50 2012 |
Den | Update | Adaptive Filtering | ARMS |
|
|
|
7768
|
Fri Nov 30 14:21:18 2012 |
rana | HowTo | Computer Scripts / Programs | The mystery of PDFs and you. As deep as the mystery of Rasputin. | |
|
|
7767
|
Fri Nov 30 11:49:24 2012 |
Koji | Update | Adaptive Filtering | YARM | This is interesting. I suppose you are
acting on the ETMY.
Can you construct the compensation |
|
|
7766
|
Fri Nov 30 11:38:35 2012 |
Steve | Update | PSL | foil removed from enclosure | Aluminum foil replaced by sheet metal on
Enclosure and AP table. |
|
|
7765
|
Fri Nov 30 09:59:53 2012 |
Steve | HowTo | General | How not to | Clean cabinet S15 doors were left open.
You have to lock it up! |
|
|
7764
|
Fri Nov 30 02:40:44 2012 |
Den | Update | Adaptive Filtering | YARM | I've applied FIR adaptive filter to YARM
control. Feedback signal of the closed loop
was used as adaptive filter error signal |
|
|
7763
|
Thu Nov 29 09:58:06 2012 |
Den | Update | PEM | Decreased RMS in Seismometers |
|
|
|
7762
|
Thu Nov 29 02:43:48 2012 |
Ayaka | Update | PEM | Decreased RMS in Seismometers |
|
|
|
7761
|
Thu Nov 29 00:15:13 2012 |
Den, Koji | Update | IOO | MC WFS work |
|
|
|
7760
|
Wed Nov 28 23:55:13 2012 |
Ayaka | Update | WienerFiltering | Sound on PSL | I have been searching for the way
we can subtract signal better since I could
see the acoustic coupling signal remains |
|