| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
12454
|
Tue Aug 30 15:44:28 2016 |
Steve | Update | SUS | wire standoffs update | 100
Sapphire prisms ordered. Delivery date
9-30-2016 |
|
|
12550
|
Tue Oct 11 10:38:51 2016 |
Steve | Update | SUS | wire standoffs update | 100 Sapphire prizms arrived.
|
|
|
12760
|
Fri Jan 27 14:50:04 2017 |
Steve | Update | SUS | wire standoffs update | The 3 pieces of Sapphire
v-groove test cuts are back. They look
good. The suspension wire 0.0017" ( |
|
|
12761
|
Fri Jan 27 15:36:17 2017 |
Koji | Update | SUS | wire standoffs update | Very nice! I got excited.
Don't you ask Calum
and co to check the groove size with their |
|
|
12846
|
Thu Feb 23 09:32:20 2017 |
Koji | Update | SUS | wire standoffs update | Kyle took high quality images of
the three sapphire prisms using the microscope
@Downs. He analyzed the images to see the |
|
|
13030
|
Thu Jun 1 16:21:55 2017 |
Steve | Update | SUS | wire standoffs update | Ruby
wire standoff received from China. I
looked one of them with our small USB camera. |
|
|
1363
|
Fri Mar 6 01:04:49 2009 |
Kiwamu IZUMI | Configuration | IOO | !! lock-in amp disconnected !! | The power supply of a lock-in amp, which
is on the Y-arm side of PSL clean room, was
pulled out by my mistake. |
|
|
4668
|
Mon May 9 16:58:23 2011 |
Jamie | Bureaucracy | CDS | !!!!REMEMBER TO COMMIT YOUR MODIFICATIONS!!!! | Whenever you modify any of the front-end
code in /opt/rtds/caltech/c1/userapps, such
as models, scripts or medm screens, REMEMBER |
|
|
4669
|
Mon May 9 17:21:13 2011 |
Jamie | Bureaucracy | CDS | !!!!REMEMBER TO COMMIT YOUR MODIFICATIONS!!!! | Also, remember to update the svn working
copy before you begin doing any work, to
make sure you're working on the most recent |
|
|
4765
|
Wed May 25 19:19:11 2011 |
Jamie | Configuration | CDS | !!!CHECK IN YOUR MODELS!!! | !!!CHECK
IN MODEL CHANGES!!!
Today
I found three models that were modified, |
|
|
8370
|
Thu Mar 28 23:06:48 2013 |
Annalisa | Update | Auxiliary locking | "Alberto" NPRO laser again on PSL table | "Alberto"NPRO laser has
been moved again on PSL table in order to
make a measurement of the beat note varying |
|
|
5779
|
Tue Nov 1 19:26:38 2011 |
Zach | Update | SUS | "Dr. SUS" progress | EDIT: Ran Jamie's NDS2 reset method and
it's still not serving up MC data. |
|
|
5781
|
Wed Nov 2 01:53:08 2011 |
Zach | Update | SUS | "Dr. SUS" progress | Now that NDS2
is working, I was able to run all parts
of |
|
|
5784
|
Wed Nov 2 11:29:04 2011 |
not Zach | Update | SUS | "Dr. SUS" progress |
|
|
|
412
|
Thu Apr 3 18:46:04 2008 |
Andrey | Configuration | Computers | "Network switch board" and "c1pem1 crate" were touched |
While working with the weather station, I
did two things that potentially (with a very |
|
|
17517
|
Wed Mar 22 18:38:54 2023 |
Paco | Summary | BHD | "On why BH55 senses the LO phase, a finesse adventure of loss and residual DARM offsets" | [Paco, Yehonathan]
I took over the finesse calculations
Yehonathan had set up for BHD. The notebook |
|
|
17518
|
Thu Mar 23 14:20:29 2023 |
Koji | Summary | BHD | "On why BH55 senses the LO phase, a finesse adventure of loss and residual DARM offsets" | This is interesting. With the FPMI, the
DARM phase shift is enhanced by the cavity.
Therefore, I suppose the effect on the BH55 |
|
|
17525
|
Mon Mar 27 20:28:57 2023 |
Paco | Summary | BHD | "On why BH55 senses the LO phase, a finesse adventure of loss and residual DARM offsets" | Yuta pointed out that the BH55 signal was
weirdly never going to zero, so I actually
tuned the demod angle and made sure I was |
|
|
17526
|
Tue Mar 28 10:58:03 2023 |
rana | Summary | BHD | "On why BH55 senses the LO phase, a finesse adventure of loss and residual DARM offsets" | but what about including the DC reflectivity
imbalance of the arms? there would be another
BH55 term from that field maybe. |
|
|
17528
|
Wed Mar 29 16:36:04 2023 |
Paco | Summary | BHD | "On why BH55 senses the LO phase, a finesse adventure of loss and residual DARM offsets" | I repeated the calculations but with FPMI
(last
case was all MICH). The qualitative behavior |
|
|
8202
|
Thu Feb 28 14:51:43 2013 |
Jenne | Update | PEM | "Rock Monster" causing low frequency noise | Manasa and I have been wondering why the
low frequency seismic noise has been different
in the last few days/weeks. I went |
|
|
1015
|
Wed Oct 1 12:05:58 2008 |
Alberto | Configuration | Computers | "StochMon" added to the Alarm Handler | John, Alberto,
we added the four channels of the RF Amplitude |
|
|
1016
|
Wed Oct 1 12:09:25 2008 |
Alberto | Configuration | Computers | "StochMon" added to the Alarm Handler | [quote]John, Alberto,
we added the four channels of the RF Amplitude |
|
|
8011
|
Wed Feb 6 15:11:21 2013 |
Jenne | Update | Electronics | "Temporary" power supply situation | [Jenne, Yuta, Rana, Steve, Manasa]
We have taken stock of the lab
"temporary" power supply situation, |
|
|
4642
|
Thu May 5 15:26:52 2011 |
Leo Singer | Configuration | Computers | 'glue' installed on some control room computers | I installed 'glue' on Rossa, Allegra, and
Rosalba. This is a Python module that
includes a facility for LIGO_LW XML files. |
|
|
9289
|
Fri Oct 25 04:03:40 2013 |
Masayuki | Update | LSC | 'scope and spectrum analyser for REFL165 | As Jenne's Elog we want to see Spectrum
and time series of REFL 165 (our PRMI LSC
locking PD) to see if the signal is saturated |
|
|
9295
|
Fri Oct 25 21:36:51 2013 |
Masayuki | Update | LSC | 'scope and spectrum analyser for REFL165 |
|
|
|
9304
|
Mon Oct 28 14:24:01 2013 |
Masayuki | Update | LSC | 'scope and spectrum analyser for REFL165 |
I connected the 'scope between
REFL165 output and demod board input. I split |
|
|
2745
|
Wed Mar 31 19:29:58 2010 |
Hartmut | Update | Electronics | (1cm-) Si PD transfer functions update | Recorded transfer functions for the 1cm
Si-PD as described on p. 2708
for different biases. I put the plots |
|
|
4631
|
Thu May 5 00:08:59 2011 |
Jenne | Update | LSC | (Almost) New Screens for RFPDs | I modified C1LSC.mdl to use the CDSphase
blocks, which automatically calculate the
R and D phase rotation for us. Now |
|
|
2065
|
Wed Oct 7 19:23:49 2009 |
Jenne | Update | Adaptive Filtering | (Final?) PEM cabling changes |
|
|
|
9854
|
Fri Apr 25 10:43:57 2014 |
Koji | Update | LSC | (Fixed) Y end whitening board | I went to WB and found the last spare
module of D990399 revB. We need to thank
Frank for his foresight. |
|
|
10785
|
Thu Dec 11 18:12:46 2014 |
ericq | Update | LSC | (Fixed) Y end whitening board |
|
|
|
4494
|
Wed Apr 6 19:36:32 2011 |
Aidan | Summary | Green Locking | (In)sanity check of Green PD - some inconsistencies | I moved the Hartmut Green PD to the Jenne
laser bench to try to determine if the response
at RF was reasonable or somehow very much |
|
|
4500
|
Thu Apr 7 16:09:17 2011 |
Aidan | Summary | Green Locking | (In)sanity check of Green PD - some inconsistencies | I think I had underestimated the responsivity
of the Silicon PD at 1064nm. The previous
value was based on a rough search online |
|
|
4501
|
Thu Apr 7 19:28:02 2011 |
Koji | Summary | Green Locking | (In)sanity check of Green PD - some inconsistencies | Responsivity of SGD-444A
|
|
|
3376
|
Fri Aug 6 15:50:29 2010 |
Gopal | Update | Optic Stacks | (Much Better Looking) Displacement-Displacment Transfer Functions | I reran
the FDA in COMSOL on the MC1/MC3 Stack and
produced the following Displacement-Displacement |
|
|
3380
|
Fri Aug 6 19:46:59 2010 |
Gopal | Update | Optic Stacks | (Much Better Looking) Displacement-Displacment Transfer Functions |
|
|
|
14928
|
Thu Oct 3 11:01:18 2019 |
rana | Update | LSC | (PR)FPMI locking | wonder if its possible to do variable finesse
locking
Gabriele mentioned that Virgo used |
|
|
10472
|
Mon Sep 8 15:50:47 2014 |
ericq | Update | Computer Scripts / Programs | +15V PSL Sorensen replaced | We replaced the +15V sorensen at 1X1, and
brought the power supplies back up symmetrically,
and everything seems fine. I noted that a |
|
|
732
|
Thu Jul 24 03:08:20 2008 |
rob | Update | Locking | +f2 DRMI+2ARMS |
rob, john, yoichi
|
|
|
6683
|
Fri May 25 16:58:54 2012 |
Jamie | Configuration | Computers | .bashrc for workstations | I have setup a shared .bashrc for all the
workstations that is symlinked to the normal
location on all machines: |
|
|
583
|
Fri Jun 27 15:20:52 2008 |
rob | DAQ | LSC | .ini file change |
I removed C1:LSC-XARM_CTRL from the frames
and added C1:LSC-CARM_ERR |
|
|
1683
|
Wed Jun 17 01:09:47 2009 |
rob | Update | Computers | /cvs/cds 91% full | In /cvs/cds/caltech
|
|
|
13929
|
Thu Jun 7 20:21:15 2018 |
Koji | Update | Computer Scripts / Programs | /cvs/cds Backup in danger | Local
backup on chiara seems not |
|
|
13963
|
Thu Jun 14 15:21:58 2018 |
gautam | Update | Computer Scripts / Programs | /cvs/cds Backup in danger | I think this is because /cvs/cds is getting
too big. lsblk reveals:
|
|
|
1059
|
Mon Oct 20 15:02:00 2008 |
Yoichi | Configuration | Computers | /cvs/cds restored | I moved missing files in /cvs/cds restored
by Alan and Stuart to the original locations.
I confirmed autoburt runs, and dtt, which |
|
|
1060
|
Mon Oct 20 16:18:00 2008 |
Alan | Configuration | Computers | /cvs/cds restored | [quote]I moved missing files in /cvs/cds restored
by Alan and Stuart to the original locations.
I confirmed autoburt runs, and dtt, which |
|
|
12796
|
Fri Feb 3 11:40:34 2017 |
ericq | Summary | CDS | /cvs/cds/caltech/chans back on svn1.6 | I was able to bring back svn 1.6 formatting
to /cvs/cds/caltech/chans by doing the following
on nodus: |
|
|
12797
|
Sat Feb 4 12:00:59 2017 |
rana | Summary | CDS | /cvs/cds/caltech/chans back on svn1.6 | True - its an issue. Koji and I are updating
zita into Ubuntu16 LTS. If it looks like
its OK with various tools we'll swap |
|