ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
732
|
Thu Jul 24 03:08:20 2008 |
rob | Update | Locking | +f2 DRMI+2ARMS |
rob, john, yoichi
|
|
|
731
|
Thu Jul 24 02:57:26 2008 |
rob | Update | LSC | Arm cavity g-factor measurement | [quote]
So, now I feel that the method for the TEM01
quest should be reconsidered.
|
|
|
730
|
Thu Jul 24 01:27:00 2008 |
Koji | Update | LSC | Arm cavity g-factor measurement | [quote]I locked the Y-arm and mis-aligned
the end mirror in Yaw until the transmission
power gets half.
|
|
|
729
|
Thu Jul 24 01:04:01 2008 |
rob | Configuration | LSC | IFR2023A (aka MARCONI) settings | [quote]
P.S.: We made a test by changing the frequency |
|
|
728
|
Wed Jul 23 22:34:07 2008 |
Yoichi | Update | LSC | Arm cavity g-factor measurement | I tried the same thing as the X-arm to the
Y-arm.
I'm puzzled. I found exactly the same behavior |
|
|
727
|
Wed Jul 23 21:48:30 2008 |
rob | Configuration | General | restore IFO when you're done with it |
[SIZE=3][B]when you are done with the IFO,
please click "Restore last auto-alignment"[/B][/SIZE] |
|
|
726
|
Wed Jul 23 18:42:18 2008 |
Jenne | Update | PSL | Alignment of AOM | [Rana, Yoichi, Jenne]
Short Version: We are selecting the wrong |
|
|
725
|
Wed Jul 23 17:19:48 2008 |
Alberto | Configuration | Computers | Megatron connected | We changed the IP address. Ther new one is
131.215.113.95.
|
|
|
724
|
Wed Jul 23 16:31:02 2008 |
Alberto | Configuration | Computers | Megatron connected | Joe, Rana, Alberto,
we found out the password for Megatron so |
|
|
723
|
Wed Jul 23 13:52:26 2008 |
Sharon | Update | | MEDM changes | There is a new MEDM screen now when you go
from c1ass>top>pem.
Instead of having 12 "mini filters" screens |
|
|
722
|
Wed Jul 23 12:42:23 2008 |
Eric | Summary | Cameras | Weekly Summary | I finally got the ezcaPut command working.
The camera code can now talk directly to
the EPICS channels. However, after repeated |
|
|
721
|
Wed Jul 23 10:49:37 2008 |
Max | Update | Computer Scripts / Programs | Weekly Progress Report | This week I installed the magnetometer. The
channels seem to be reading correctly. I'm
back to working on noise budget and have |
|
|
720
|
Wed Jul 23 10:47:05 2008 |
Sharon | Update | | Weekly update | This week I spent some time with Alex who
updated the adaptive code to save the filter's
coeffs all the time, stop when I open the |
|
|
719
|
Wed Jul 23 01:42:26 2008 |
rana | Configuration | PSL | FSS RFPD: Examined, "repaired", and re-installed | [U]Rob said that there might be something
wrong with the FSS RFPD since the loop gain
is so low.[/U]
|
|
|
718
|
Tue Jul 22 22:25:31 2008 |
rana | Update | LSC | Looptickle for existing 40m | John and I have adapted the Stefan-Looptickle
model of the 40m upgrade to have the parameters
of the old one.
|
|
|
717
|
Tue Jul 22 22:11:58 2008 |
Yoichi | Update | LSC | X-arm g factor measurement | Alberto, Yoichi
We measured the g factor of the X-arm by |
|
|
716
|
Tue Jul 22 16:50:09 2008 |
steve | Metaphysics | Environment | professorial clean up of work bench | Atm1: is showing the spiritual satisfaction
after work bench clean up by the professor
himself.
|
|
|
715
|
Tue Jul 22 13:16:09 2008 |
John, Rob | Update | PSL | FSS open loop transfer function | [quote]With the common gain slider maxed out
the unity gain frequency is 58kHz.
|
|
|
714
|
Tue Jul 22 13:15:14 2008 |
rob | Update | PSL | Note from R. Abbott re: the PMC | [quote]an email from Rich:
[CODE]Your PZT is broken.
|
|
|
713
|
Tue Jul 22 11:55:22 2008 |
rana | Update | PSL | Note from R. Abbott re: the PMC | an email from Rich:
[CODE]Your PZT is broken.
|
|
|
712
|
Tue Jul 22 09:24:17 2008 |
steve | Update | PSL | laser power | Laser power reality of 120 days |
|
|
711
|
Tue Jul 22 03:03:22 2008 |
John, Rob | Update | PSL | FSS open loop transfer function | With the common gain slider maxed out the
unity gain frequency is 58kHz.
|
|
|
710
|
Mon Jul 21 19:55:16 2008 |
rana,jenne | Configuration | IOO | Noise in MC_F | [COLOR=darkgreen]Jenne put the MC board on
extender today - its still that way but everything
is probably connected (check AO).[/COLOR]
|
|
|
709
|
Mon Jul 21 19:48:57 2008 |
Sharon | Update | | how tp restart C1ASS | How to restart C1ASS:
1. reboot
|
|
|
708
|
Mon Jul 21 15:52:22 2008 |
steve | Bureaucracy | SAFETY | fire alarms test | The fire alarm test and evacuation drill was
successfully completed at 13:45 Wednesday,
July 16, 2008
|
|
|
707
|
Mon Jul 21 14:26:11 2008 |
Max | Summary | PEM | Added Channels | The following channels have been added.
Channel Name DAQ port
|
|
|
706
|
Mon Jul 21 11:54:00 2008 |
Jenne | Update | General | MC Servo Board | I pulled the MC Servo Board again, to check
the components that are on the board, and
compare them with the schematics. The filters |
|
|
705
|
Mon Jul 21 10:00:42 2008 |
steve | Update | PEM | ifo room temp | Five years of temp trend with 5 C fluctuation.
The campus chilled water supply was upgraded
~ 1 year ago.
|
|
|
704
|
Mon Jul 21 09:52:05 2008 |
Sharon | Update | | Adaptive code changes | Thanks to Alex, we now save the coefficients
of the adaptive filter every cycle. When
we choose ENABLE: OFF on the MEDM screen, |
|
|
703
|
Sat Jul 19 19:41:56 2008 |
Yoichi | AoG | PSL | The author of the entry 702 is Yoichi not Rob | I made a mistake. |
|
|
702
|
Sat Jul 19 19:39:44 2008 |
rob | Update | PSL | PMC PZT investigation | [quote][quote] The 64k is the series resistor
after the PA85, not the modeled resistance
of the PZT itself.[/quote]
|
|
|
701
|
Fri Jul 18 23:24:24 2008 |
rob | Update | PSL | PMC PZT investigation | [quote]I measured the HV coming to the PMC
PZT by plugging it off from the PZT and hooking
it up to a DVM.
|
|
|
700
|
Fri Jul 18 19:43:55 2008 |
Yoichi | DAQ | Computers | PSL fast channels cannot be read by dataviewer | At this moment only the PSL fast channels
have trouble.
Rob restarted fb40m, c1IOVME, but no effect. |
|
|
699
|
Fri Jul 18 19:41:09 2008 |
Yoichi | Update | PSL | PMC PZT investigation | I measured the HV coming to the PMC PZT by
plugging it off from the PZT and hooking
it up to a DVM.
|
|
|
698
|
Fri Jul 18 19:30:20 2008 |
Masha | Update | Auxiliary locking | moving from 40m | I will be working in the basement of Bridge
probably starting next week; I moved the
NPRO laser and some of the optics from my |
|
|
697
|
Fri Jul 18 19:15:15 2008 |
Jenne | Update | IOO | Checking out the MC Servo Board | [quote][Jenne, Max]
I haven't checked to ensure that the MC still |
|
|
696
|
Fri Jul 18 17:12:35 2008 |
Jenne | Update | IOO | Checking out the MC Servo Board | [Jenne, Max]
One of the things that Rana thinks that might |
|
|
695
|
Fri Jul 18 17:06:20 2008 |
Jenne | Update | Computers | Computers down for most of the day, but back up now | [Sharon, Alex, Rob, Alberto, Jenne]
Sharon and I have been having trouble with |
|
|
694
|
Fri Jul 18 16:57:37 2008 |
Jenne | Update | IOO | Calibrated MC_F | I have calibrated MC_F. The conversion factor
is 137.49 MHz/count.
|
|
|
693
|
Fri Jul 18 12:24:15 2008 |
josephb, Eric | Configuration | Cameras | Changed Lenses on GC750 at ETMX | We removed the giant TV zoom lens and replaced
it with a much smaller fixed zoom lens.
Currently it views the entire optic. We |
|
|
692
|
Thu Jul 17 20:13:34 2008 |
Yoichi | Update | PSL | PMC alignment/mode matching effort | I'm working to improve the mode matching of
PMC.
Because I noticed that the beam was hitting |
|
|
691
|
Thu Jul 17 16:39:58 2008 |
Max Jones | Update | DAQ | Magnetometer Installed | Today I installed the magnetometer near the
beam splitter chamber. It is located on the
BSC chamber at head height on the inner part |
|
|
690
|
Thu Jul 17 13:08:37 2008 |
John | Summary | LSC | HOM resonances in the arms | On Tuesday night we attempted to lock the
full DRFPMI in the optical spring configuration
with the +f2 sideband resonant in the SRC.
|
|
|
689
|
Thu Jul 17 12:15:21 2008 |
Eric | Update | PSL | Swept PMC PZT voltage range | I unlocked the PMC and swept over C1:PSL-PMC_RAMP's
full range a couple of times this morning.
The PMC should now be relocked and returned |
|
|
688
|
Thu Jul 17 08:30:15 2008 |
steve | Update | PSL | PMC relocked manually | The PMC pzt HV and the servo gain adj. are
railing at max this morning
|
|
|
687
|
Thu Jul 17 00:59:18 2008 |
Jenne | Summary | General | Funny signal coming out of VCO | While working on calibrating the MC_F signal,
Rana and I noticed a funny signal coming
out of the VCO. We expect the output to |
|
|
686
|
Wed Jul 16 22:29:05 2008 |
Masha | Update | Auxiliary locking | long measurement | [quote]I'm taking a measurement on the SR785
spectrum analyzer at low frequencies, so
I'm going to leave it by the symmetric port |
|
|
685
|
Wed Jul 16 17:51:58 2008 |
Masha | Update | Auxiliary locking | long measurement | I'm taking a measurement on the SR785 spectrum
analyzer at low frequencies, so I'm going
to leave it by the symmetric port table for |
|
|
684
|
Wed Jul 16 17:36:51 2008 |
John | DAQ | PSL | FSS input offset | I changed the nominal FSS input offset to
0 from 0.3. Tolerance remains unchanged at
+/-0.05. |
|
|
683
|
Wed Jul 16 16:59:07 2008 |
Alberto | Update | General | Aligment | I think the two beams are aligned again -
they both pass the Faraday, they match at
the irises and all along the optical path |
|