| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
745
|
Sun Jul 27 23:06:17 2008 |
rana | Update | PSL | PMC, MZ, MC-MMT, etc. | With the new PMC now in I aligned the MZ to
the new beam (there is sadly no steering
between the PMC and the MZ).
|
|
|
744
|
Sun Jul 27 20:49:21 2008 |
rana | Configuration | Computers | NTP | After Aidan did whatever he did on op440m,
I had to restart ntpd. I noticed it didn't
actually do
|
|
|
743
|
Sun Jul 27 20:25:49 2008 |
rana | Configuration | Environment | Office Temperature increased to 75 F | Since we have the chiller for the PSL chiller
now, [SIZE=2][COLOR=darkred]I've just increased
the office area
|
|
|
742
|
Sat Jul 26 15:09:57 2008 |
Aidan | Update | Computers | Reboot of op440m |
I was reviewing the PSL Overview screen this
afternoon and op440m completely froze when |
|
|
741
|
Fri Jul 25 19:57:18 2008 |
Jenne | Update | PSL | Ref Cav & PMC | "PMC is in, but is still being worked on.
Leave it alone." ---Rana
|
|
|
740
|
Fri Jul 25 17:32:46 2008 |
Sharon | Update | | ASS computer | So, it seems a bit too complicated getting
the coefficients the way I wanted it to happen
(simulink-.ini...).
|
|
|
739
|
Fri Jul 25 13:30:53 2008 |
Sharon | Update | | Changes in ASS computer | I editted the simulink diagram of the ASS
computer so it now has 2 more channels reading
2 sets of the FIR coefficients to match Alex's |
|
|
738
|
Fri Jul 25 10:48:13 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Realignment / beating / PLL trial | Alberto and Koji
o We worked for the abs length measurement |
|
|
737
|
Thu Jul 24 21:53:00 2008 |
rana | Summary | Treasure | High School Tour group and the PMC | There was a tour today of 40 high school kids.
[COLOR=red]I warned them that the lasers
could burn out their
|
|
|
736
|
Thu Jul 24 21:04:58 2008 |
rana | Update | PSL | FSS | Since Jenne and Yoichi are going to finish
up their refcav/FSS work in the morning I
decided to
|
|
|
735
|
Thu Jul 24 19:29:26 2008 |
Yoichi | Configuration | PSL | C1:PSL-STAT_FSS_NOM_C_GAIN is changed from 30 to -0.7 | Koji, Yoichi
Since the light power going to the ref. cavity |
|
|
734
|
Thu Jul 24 11:49:07 2008 |
Masha | Summary | Auxiliary locking | belated weekly summary | I designed a high pass filter to whiten the
spectrum from the Mach Zehnder to optimize
the
|
|
|
733
|
Thu Jul 24 08:09:26 2008 |
Yoichi | Update | LSC | Arm cavity g-factor measurement | [quote]
A-ha! Do you always expect the 30Hz signal,
don't you?
|
|
|
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 |
|