ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
6868
|
Mon Jun 25 15:07:49 2012 |
yuta | Update | IOO | MC beam spot trend | I adjusted MC WFS offsets using /opt/rtcds/caltech/c1/scripts/MC/WFS/WFS_FilterBank_offsets.
Beam spot positions on MC mirrors |
|
6867
|
Mon Jun 25 11:27:13 2012 |
Jamie | Summary | Computers | c1ioo is down |
|
|
6866
|
Mon Jun 25 11:23:14 2012 |
Jenne | Update | Computers | tdsavg not working |
|
|
6865
|
Mon Jun 25 10:35:59 2012 |
Jenne | Summary | Computers | c1ioo is down |
|
|
6864
|
Mon Jun 25 08:21:40 2012 |
steve | Update | General | AC power disturbance on Sat |
|
|
6863
|
Sun Jun 24 23:42:31 2012 |
yuta | Update | Computer Scripts / Programs | PMC locker | I made a python script for relocking PMC.
It currently lives in /opt/rtcds/caltech/c1/scripts/PSL/PMC/PMClocker.py. |
|
6862
|
Sun Jun 24 00:10:45 2012 |
yuta | Update | Green Locking | current beat electronics | I moved amplifiers for beat PD at PSL table
to 1X2 rack. Current beat setup from PD to
ADC is shown below. Setup for X beat and |
|
6861
|
Sat Jun 23 19:57:22 2012 |
yuta | Summary | Computers | c1ioo is down | I tried to restart c1ioo becuase I can't
live without him.
|
|
6860
|
Sat Jun 23 18:44:15 2012 |
steve | Update | General | power surge has no effect on the lab | I was notified by CIT Utilities that there
was a power surge or short power outage this
after noon. |
|
6859
|
Sat Jun 23 02:29:18 2012 |
yuta | Update | Green Locking | X arm mode scan results | X
arm finesse is 416 +/- 6, mode-matching ratio
is 91.2 +/- 0.3% |
 |
6858
|
Fri Jun 22 20:58:15 2012 |
Jenne | Update | Green Locking | Calibrated POX spectra - Xarm stabilized by ALS | [Yuta, Jenne, Koji]
We stabilized the Xarm using the
ALS and took a spectrum of POX as our out |
|
6857
|
Fri Jun 22 20:00:14 2012 |
Jamie | Omnistructure | Electronics | two RG-405 cables ran from 1X2 rack to control room | [Yaakov, Eric, Jenne, Yuta]
Two of our surfs, Yaakov and Eric,
pulled two unused RG-405/SMA cables that |
|
6856
|
Fri Jun 22 19:52:47 2012 |
Jamie | Update | Computers | ottavia reconfigured as CDS workstation | ottavia has been reinstalled with Ubuntu
10.04 LTS, and has been configured as a CDS
workstation. |
|
6855
|
Fri Jun 22 17:51:04 2012 |
Jenne | Update | Cameras | Green Trans camera repositioning attempt | [Yuta, Jenne]
We tried to find a different place,
not in the main green transmitted beam path, |
|
6854
|
Fri Jun 22 13:37:17 2012 |
Jenne | Update | Computers | fb lost connection | ...Perhaps related to the fact that Jamie
is copying a lot of stuff over the network
to back up Ottavia before converting her |
|
6853
|
Fri Jun 22 10:52:18 2012 |
yuta | Update | Green Locking | 2 arm ALS - Success!!!! | Answers to questions from Koji.
|
|
6852
|
Fri Jun 22 03:37:42 2012 |
Koji | Update | Green Locking | 2 arm ALS - Success!!!! | Are
these correct?
1. It is a nice work. |
|
6851
|
Fri Jun 22 02:21:57 2012 |
Jenne | Update | Green Locking | 2 arm ALS - Success!!!! | [Yuta, Jenne]
We |
 |
6850
|
Thu Jun 21 20:07:18 2012 |
Jamie | Update | Green Locking | Improved beatbox returns | I've reinstalled the beatbox in the 1X2
rack. This improved version has the
X and Y arm channels stuffed, but just one |
|
6849
|
Thu Jun 21 15:36:51 2012 |
yuta | Update | Locking | X arm alignment | I aligned X arm so that the beam spot comes
roughly on the center.
|
|
6848
|
Thu Jun 21 15:00:55 2012 |
steve | Update | SAFETY | SURFs 2012 safety training | Masha, Eric, Yaakov, Liz and Sasha received
40m specific basic safety training. |
|
6847
|
Thu Jun 21 12:56:49 2012 |
yuta | Update | Locking | ETMX 1064 trans camera |
|
|
6846
|
Thu Jun 21 12:13:35 2012 |
Jenne | Update | PEM | flow bench must be running all times |
|
|
6845
|
Thu Jun 21 09:10:08 2012 |
steve | Update | PEM | flow bench must be running all times | The south end flow bench HEPA filter should
be run all times. You can turn it off for
a measurement or two but remember we are |
|
6844
|
Thu Jun 21 09:01:18 2012 |
steve | Update | STACIS | the resurrection of STACIS -surf | There is a small wood cabinet under the
south end flow bench, labeled STACIS.
Unit is complete with extension cards |
|
6843
|
Thu Jun 21 02:57:16 2012 |
Jenne | Bureaucracy | General | 40m Action Items | PRIORITY
ITEMS:
|
|
6842
|
Thu Jun 21 01:58:29 2012 |
Jenne | Update | Green Locking | Xgreen preparations | [Yuta, Koji, Jenne]
Lots
of small things happened tonight, in preparation |
|
6841
|
Wed Jun 20 18:43:57 2012 |
yuta | Update | LSC | calibrated POX error signal | [Jenne, Yuta]
We did the same calibration for POX. |
  |
6840
|
Wed Jun 20 18:09:23 2012 |
yuta | Update | Locking | both arms aligned, ITMX oplev centered | [Jenne, Yuta]
We aligned FPMI. I also centered ITMX |
|
6839
|
Wed Jun 20 18:00:10 2012 |
rana | Summary | PSL | summaries | Nice PSL summaries from LHO:
https://alog.ligo-wa.caltech.edu/aLOG/index.php?callRep=3187 |
|
6838
|
Wed Jun 20 16:37:11 2012 |
yuta | Update | Locking | ETMX 1064 trans camera | [Jenne, Yuta]
We made ETMXT camera working. |
|
6837
|
Wed Jun 20 01:02:20 2012 |
Jamie | Update | Green Locking | RF amp removed from X arm ALS setup | I very badly forgot to log about this in
the crush of surfs.
I removed Koji's proto-beatbox RF |
|
6836
|
Wed Jun 20 00:02:16 2012 |
yuta | Update | Green Locking | slower scan using phase tracking ALS | For those of you who want to see plots
from slower scan.
|
|
6835
|
Wed Jun 20 00:01:04 2012 |
Jenne | Update | LSC | calibrated POY error signal | [Yuta, Jenne]
We have measured the out of loop
residual motion of the Yarm while locked |
 |
6834
|
Tue Jun 19 23:36:19 2012 |
yuta | Update | LSC | calibrated POY error signal | [Jenne, Yuta]
We calibrated POY error signal(C1:LSC-POY11_I_ERR). |
  |
6833
|
Tue Jun 19 20:26:50 2012 |
Jenne | HowTo | Locking | Summer Plan | Jenne and Yuta's
Summer Plan |
|
6832
|
Mon Jun 18 23:54:31 2012 |
yuta | Update | Green Locking | phase tracker for ALS | [Koji, Jenne, Yuta]
Summary: |
  |
6831
|
Mon Jun 18 23:38:39 2012 |
Jenne | Update | LSC | Added LSC channels to frames | Since the .ini files get overwritten every
time a model is compiled now, we need to
put all channels we want saved to frames |
|
6830
|
Mon Jun 18 17:28:03 2012 |
yuta | Summary | Computers | bugs in CDS_PARTS/simLinkParts/Fcn | Fcn module in CDS_PARTS is used to include
a user defined function in a model.
We should be able to use this by entering |
 |
6829
|
Mon Jun 18 16:23:59 2012 |
Jenne | Update | Locking | LSC trigger update | The LSC triggers for the individual filter
modules in a filter bank now works.
This is handy so that boosts can come on |
|
6828
|
Mon Jun 18 02:31:43 2012 |
yuta | Summary | Green Locking | analysis of mode scan data | I analyzed mode scan data from last week.
Mode matching ratio for Y arm is 86.7 |
   |
6827
|
Sat Jun 16 19:32:11 2012 |
yuta | Update | Green Locking | Y arm length using 5FSR scan | I know!
But I think there's some error (~
10% ?) in calibrating the beatbox. In elog |
|
6826
|
Sat Jun 16 18:51:44 2012 |
Koji | Update | Green Locking | Y arm length using 5FSR scan |
|
|
6825
|
Sat Jun 16 18:17:00 2012 |
yuta | Update | Green Locking | Y arm length using 5FSR scan | Calibrating error signal to beat
frequency;
I injected 0 dBm RF sine wave |
 |
6824
|
Sat Jun 16 13:01:17 2012 |
yuta | Update | Green Locking | scanned Y arm for 5FSR |
|
|
6823
|
Sat Jun 16 12:03:41 2012 |
Zach | Update | Green Locking | scanned Y arm for 5FSR | Is that time stamp really correct?
I wanted to look at the signal closely to
see if I could get any feeling for why it |
|
6822
|
Sat Jun 16 01:03:21 2012 |
yuta | Update | Green Locking | used longer delay line for mode scan | [Mengyao, Yuta]
Last night, I used 1.5 m delay line |
|
6821
|
Fri Jun 15 13:33:39 2012 |
yuta | Update | Green Locking | ADC noise contribution to ALS | ADC noise is not a limiting noise source
in a current ALS setup.
|
|
6820
|
Fri Jun 15 01:53:05 2012 |
Koji | Update | Green Locking | scanned Y arm for 5FSR | Interesting.
It seems for me that there is a dependence
of the noisiness as the beat frequency is |
|
6819
|
Fri Jun 15 00:50:54 2012 |
yuta | Update | Green Locking | scanned Y arm for 5FSR | I scanned Y arm for 5FSR (below).
I could done this after I put a whitening
filter. |
|