| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
6846
|
Thu Jun 21 12:13:35 2012 |
Jenne | Update | PEM | flow bench must be running all times |
|
|
|
6847
|
Thu Jun 21 12:56:49 2012 |
yuta | Update | Locking | ETMX 1064 trans camera |
|
|
|
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. |
|
|
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.
|
|
|
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 |
|
|
6851
|
Fri Jun 22 02:21:57 2012 |
Jenne | Update | Green Locking | 2 arm ALS - Success!!!! | [Yuta, Jenne]
We |
|
|
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. |
|
|
6853
|
Fri Jun 22 10:52:18 2012 |
yuta | Update | Green Locking | 2 arm ALS - Success!!!! | Answers to questions from Koji.
|
|
|
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 |
|
|
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, |
|
|
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. |
|
|
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 |
|
|
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 |
|
|
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% |
|
|
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. |
|
|
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.
|
|
|
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 |
|
|
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. |
|
|
6864
|
Mon Jun 25 08:21:40 2012 |
steve | Update | General | AC power disturbance on Sat |
|
|
|
6865
|
Mon Jun 25 10:35:59 2012 |
Jenne | Summary | Computers | c1ioo is down |
|
|
|
6866
|
Mon Jun 25 11:23:14 2012 |
Jenne | Update | Computers | tdsavg not working |
|
|
|
6867
|
Mon Jun 25 11:27:13 2012 |
Jamie | Summary | Computers | c1ioo is down |
|
|
|
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 |
|
|
6869
|
Mon Jun 25 15:19:07 2012 |
Yaakov | Update | PEM | Added microphone channels, moved accelorometer channels | Jenne and I renamed the mic channels Den
created (elog
6664) to MIC_1, MIC_2, etc from the original |
|
|
6870
|
Mon Jun 25 16:21:10 2012 |
Koji | Summary | IOO | Selection of motorized mirror mounts | I am considering to have 3 to 6 motorized
optical mounts at the PSL and end tables
for remote beam steering. |
|
|
6871
|
Mon Jun 25 17:48:27 2012 |
yuta | Update | Computer Scripts / Programs | script for finding IR resonance using ALS | I made a python script for finding IR resonance
using ALS. It currently lives in /opt/rtcds/caltech/c1/scripts/ALS/findIRresonance.py. |
|
|
6872
|
Mon Jun 25 21:54:52 2012 |
Den | Update | Computer Scripts / Programs | PMC locker |
|
|
|
6873
|
Tue Jun 26 00:52:18 2012 |
yuta | Update | Computer Scripts / Programs | PMC locker |
|
|
|
6874
|
Tue Jun 26 01:30:13 2012 |
yuta | Summary | Green Locking | simultaneous hold and release of the arm (aka two arm ALS) | To get the feeling of the master of IFO,
I;
|
|
|
6875
|
Tue Jun 26 22:37:43 2012 |
yuta | Update | IOO | energized OMC stages | [Koji, Yuta]
We checked that PZTs between SRM and |
|
|
6876
|
Wed Jun 27 03:43:52 2012 |
yuta | Summary | IOO | how to improve mode matching to arms | From the mode scan measurements of the
arms(elog #6859),
~6% of mode-mismatch comes from 2nd-order |
|
|
6877
|
Wed Jun 27 10:27:09 2012 |
rana | Summary | IOO | how to improve mode matching to arms | The MC waist is correct as is the arm RoCs.
Most likely the error is in the telescope
length or its distance from the MC. Jenne |
|
|
6878
|
Wed Jun 27 11:27:49 2012 |
Liz | Update | | First Week Update! | This week, the
other SURF students and I got
|
|
|
6879
|
Wed Jun 27 11:33:28 2012 |
Masha | Update | General | First Week Update | This week I wrote Matlab code, most of
which can be found in /users/masha
First, I wrote a simulation seismicFilter.m |
|
|
6880
|
Wed Jun 27 11:35:06 2012 |
Sasha | Summary | Computer Scripts / Programs | SURF - Week 1 - Summary | I started playing with matlab for the first
time, accurately simulated a coupled harmonic
oscillator (starting from the basic differential |
|
|
6881
|
Wed Jun 27 14:12:44 2012 |
Eric | Summary | General | SURF Week 1 | I started work familiarizing myself with
the ELOG and some of the control systems
at the 40m. I spent a fair bit of time gaining |
|
|
6882
|
Wed Jun 27 14:18:30 2012 |
Yaakov | Summary | STACIS | First week summary | The beginning of my first week was spent
at various orientations and safety meetings,
some for general SURF and some more specific |
|
|
6883
|
Wed Jun 27 15:10:34 2012 |
Jamie | Update | Computer Scripts / Programs | 40m summary webpages move | I have moved the summary pages stuff that
Duncan set up to a new directory that it
accessible to the nodus web server and is |
|
|
6884
|
Wed Jun 27 16:23:12 2012 |
yuta | Update | IOO | AS and REFL on AP table aligned | I touched steering mirrors for AS and REFL
at AP table.
AS beam and REFL beam now hits cameras |
|
|
6885
|
Wed Jun 27 23:54:21 2012 |
yuta | Update | Computer Scripts / Programs | image capturing script | Mike J. came tonight and he fixed Sensoray
(elog #6645).
He recompiled it and fixed it. |
|
|
6886
|
Thu Jun 28 00:50:48 2012 |
yuta | Update | Locking | PRMI work started, commissioning plan | My goal for tonight was to lock PRMI,
grasp the current situation
by my eye, |
|
|
6887
|
Thu Jun 28 01:44:57 2012 |
Koji | Update | Locking | PRMI work started, commissioning plan | To be fair, this is Kiwamu's idea. And
nothing is reasonable before it is confirmed
quantitatively. |
|
|
6888
|
Thu Jun 28 15:21:02 2012 |
rana | Update | Locking | PRMI work started, commissioning plan |
Cycling the vacuum is easy.
Why not vent starting Thursday evening and |
|
|
6889
|
Thu Jun 28 20:59:28 2012 |
yuta | Bureaucracy | Locking | vent for PRC check, TOMORROW! | Koji, Jamie and I talked together and I decided to VENT TOMORROW |
|
|
6890
|
Thu Jun 28 22:08:57 2012 |
Jenne | Bureaucracy | Locking | vent for PRC check, TOMORROW! |
|
|
|
6891
|
Fri Jun 29 01:49:36 2012 |
yuta | Bureaucracy | Locking | vent for PRC check, TOMORROW! |
|
|
|
6892
|
Fri Jun 29 02:17:40 2012 |
yuta | Update | IOO | prep for the vent - beam attenuating | [Koji, Jamie, Yuta]
We attenuated the incident beam (1.2 |
|
|
6893
|
Fri Jun 29 03:21:32 2012 |
yuta | Update | General | prep for the vent - others | 1. Turned off high voltage power supplies
for PZT1/2 (input PZTs) and OMC stage 1/2.
They live in 1Y3 rack and AUX_OMC_NORTH rack. |
|
|
6894
|
Fri Jun 29 11:02:00 2012 |
steve | Update | VAC | the vent is at 500 torr |
|
|
|
6895
|
Fri Jun 29 13:11:31 2012 |
steve | Update | VAC | 40m IFO at atm | The 4 hrs vent plot at 3 torr/min
rate.
Nitrogen was used from 1e-6 torr |
|