| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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 |
|
|
682
|
Wed Jul 16 16:28:14 2008 |
josephb | Configuration | Computers | Fixed IP address on Switch | Realized today that the change I made back
on June 30th to the switch was to the wrong
switch. I had disabled the DHCP setting |
|
|
681
|
Wed Jul 16 15:59:04 2008 |
josephb, Eric | Configuration | Cameras | PMC trans camera path | In order to reduce saturation, we placed a
Y1 plate (spare from the SP table) in transmission
just before the GC650 camera looking at the |
|
|
680
|
Wed Jul 16 11:26:47 2008 |
Max Jones | Update | | This Week | Baffles.
I got a battery for the magnetometer today |
|
|
679
|
Wed Jul 16 11:00:15 2008 |
Masha | Update | Auxiliary locking | improving ADC input for the mach zehnder setup and completely unrelated happenings | For most of last week, the SURFs + Jenne were
helping Mike and Ken with "stray light control
for
|
|
|
678
|
Wed Jul 16 10:50:55 2008 |
Eric | Summary | Cameras | Weekly Summary | Finished unwrapping, cleaning, baking, wrapping,
wrapping again, packing, and shipping the
baffles.
|
|
|
677
|
Wed Jul 16 09:27:17 2008 |
steve | Update | ALARM | PSL-FSS_RMTEMP alarm is false | Morning alarm sound is good for people who
does not drink coffee.
Our 40m alarm is on every morning.
|
|
|
676
|
Tue Jul 15 19:15:57 2008 |
rana | Summary | SUS | ETMX Dewhitening characterization | Since the boys found that the ETM dewhitening
transient was kicking the IFO out of lock
we
|
|
|
675
|
Tue Jul 15 12:44:08 2008 |
John | Summary | Locking | DRFPMI with DC readout | Rob, John
Last night, despite suspect alignment, we |
|
|
674
|
Tue Jul 15 12:23:22 2008 |
Jenne | Update | General | MC2 Watchdog tripped | Alberto, Jenne
Mode Cleaner was unlocked. We checked, and |
|
|
673
|
Tue Jul 15 11:47:56 2008 |
Jenne | DAQ | PEM | Accelerometer channels in ASS Adapt MEDM screen | Jenne, Sharon
We have traced which accelerometers correspond |
|
|
672
|
Tue Jul 15 10:24:57 2008 |
steve | Update | PSL | PMC temp & pzt voltage | The PMC pzt HV was happy with no HEPA temp
stability.
Can we thermally insulate the pmc ? |
|
|
671
|
Tue Jul 15 10:09:42 2008 |
Eric | DAQ | Cameras | Did anyone kill the picture taking process on Mafalda? | Did anyone kill the process on Mafalda that
was taking pictures of the end mirror of
the x-arm last Friday? I need to know whether |
|
|
670
|
Tue Jul 15 09:47:09 2008 |
steve | Update | PEM | lab temps and particles | All air condtion units were serviced last
Friday.
AC filters are trying to control our particle |
|
|
669
|
Mon Jul 14 21:34:10 2008 |
Alberto | Update | General | abs cavity length measurement experiment | [quote]Lately I've been dealing with the alignment
of the interferometer to have a good beam
spot at the AS port. Today the alignment |
|
|
668
|
Mon Jul 14 19:15:43 2008 |
Alberto | Update | General | abs cavity length measurement experiment | Lately I've been dealing with the alignment
of the interferometer to have a good beam
spot at the AS port. Today the alignment |
|
|
667
|
Mon Jul 14 12:43:07 2008 |
John | Summary | Computers | Restarted fb40m, tpman and c1ass | |
|