| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
802
|
Wed Aug 6 11:43:52 2008 |
Koji | Update | General | Abs. Len. Meas. ~ analysis of the TEM01 scan | [B]Analysis of the data on August 3th ~ Part
2[/B]
|
|
|
801
|
Wed Aug 6 11:10:34 2008 |
Koji | Update | General | Abs. Len. Meas. ~ analysis of the TEM00 scan | [B]Analysis of the data on August 3th ~ Part
1[/B]
|
|
|
794
|
Mon Aug 4 22:31:10 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Simple Test for TEM01/10 split | [B]Work log on August 3rd - Part3[/B]
[B]Question:[/B]
|
|
|
793
|
Mon Aug 4 21:48:24 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Scan for TEM00/01/10 | [B]Work log on August 3rd - Part2[/B]
o I tried to measure the frequency of the |
|
|
776
|
Thu Jul 31 11:19:30 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Resonance search trial | Last night, I tried to find the resonance
of Yarm by sweeping the frequency of the
injection beam.
|
|
|
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 |
|
|
787
|
Mon Aug 4 00:37:58 2008 |
Koji | Update | General | Abs. Len. Meas. ~ RF PD at the Y end / Manual frequency scan | [B]Work log on August 2nd[/B]
o Just remind you:
|
|
|
567
|
Wed Jun 25 13:38:22 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Placement of the 700mW NPRO on the AP table | This morning I have put the 700mW NPRO on
the AP table for the abs length measurement.
|
|
|
599
|
Mon Jun 30 05:33:38 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Optical setup (II) | o The position of the iris was adjusted so
as not to disturub the beam for OMCR CCD.
|
|
|
590
|
Sun Jun 29 02:33:28 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Optical setup (I) | I have constructed the beam injection optics
for the abs length measurement.
|
|
|
796
|
Tue Aug 5 02:39:55 2008 |
Koji | Configuration | General | Abs. Len. Meas. ~ Optical Layout on the AP / PSL table 2008-Aug-05 | Here are the PDF and the PNG of the AP and
PSL table layouts.
After this photo, the squeezing setup at |
|
|
782
|
Sat Aug 2 12:53:43 2008 |
Koji | Update | General | Abs. Len. Meas. ~ New PLL at the PSL table | [B]Report of the work last night:[/B]
The new heterodyne interferometer on the
PSL table was built.
|
|
|
748
|
Mon Jul 28 15:54:04 2008 |
Koji | Update | General | Abs. Len. Meas. ~ More on the beat / the PLL setup | Alberto and Koji,
Last Friday evening, Koji found that the |
|
|
789
|
Mon Aug 4 05:23:57 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Measurement for Y-arm completed | Finally, I have completed the abs length and
g-factor measurements for Y-arm.
[COLOR=green][B]>>>GO FOR THE VENT<<<[/B][/COLOR]
|
|
|
795
|
Tue Aug 5 00:05:57 2008 |
Koji | Update | General | Abs. Len. Meas. ~ IFR2023A calibration | [B]Work log on August 4th[/B]
o IFR2023A (Marconi) was calibrated by the |
|
|
556
|
Tue Jun 24 10:24:43 2008 |
Koji | Update | General | Abs. Len. Meas. ~ Cavity Swing Measurement (2) | At the entry 555, Alberto reported the results
of the cavity length measurement using cavity
sweeping.
|
|
|
788
|
Mon Aug 4 00:56:07 2008 |
Koji | HowTo | General | Abs. Len. Meas. ~ Auto freq scanner with GPIB | [B]Work log on August 3rd - Part1[/B]
o Yesterday I was too much tired of changing |
|
|
1087
|
Fri Oct 24 18:05:01 2008 |
Alberto | Update | General | Abs length: transverse mode spacing measured for the X arm | The ETMX suffers of astigmatism. I measured
the following frequencies for the higher
order modes:
|
|
|
1086
|
Fri Oct 24 17:21:13 2008 |
Alberto | Update | General | Abs length: the right amount of beam clipping | I found the reason why the peak at about 6.3MHz
appeared only on the TEM10 mode: the blade
was clipping the beam too much and it was |
|
|
1084
|
Fri Oct 24 11:42:48 2008 |
Alberto | Update | General | Abs length: locking the X arm cavity in TEM01/10 | I went back to lock the arm cavity in either
TEM01 or TEM10 mode. Attached are the results.
We still have several resonances which we |
|
|
1072
|
Thu Oct 23 15:27:19 2008 |
Alberto | Update | General | Abs length | Here are the measurements I've got yesterday.
The plot shows the transmitted power after
the X arm while sweeping the frequency of |
|
|
1073
|
Thu Oct 23 18:23:47 2008 |
Alberto | Update | General | Abs length | [quote]Here are the measurements I've got
yesterday. The plot shows the transmitted
power after the X arm while sweeping the |
|
|
1074
|
Thu Oct 23 18:27:04 2008 |
Alberto | Update | General | Abs length | [quote]Here are the measurements I've got
yesterday. The plot shows the transmitted
power after the X arm while sweeping the |
|
|
12163
|
Thu Jun 9 18:54:40 2016 |
Aakash | Update | General | About Acromag | SURF 2016 | Today I tried to setup Acromag Busworks
card. I was able to calibrate and test it
over USB but I couldn't test it over |
|
|
12352
|
Fri Jul 29 03:44:04 2016 |
Aakash | Summary | | About Acromag | SURF 2016 | I tried to recompile the modbusApp binary
for linux-arm acrhitecture since I suspected
someting wrong with it. But still the problem |
|
|
6129
|
Sat Dec 17 03:59:32 2011 |
kiwamu | Update | SUS | Aborted Hysteresis test |
|
|
|
6130
|
Sat Dec 17 11:53:46 2011 |
Zach | Update | SUS | Aborted Hysteresis test | Do you guys have timestamps for when you
started/ended the test? I have been trying
to take some long-term RAM data but keep |
|
|
6131
|
Sat Dec 17 12:41:46 2011 |
Koji | Update | SUS | Aborted Hysteresis test | The test was from: 2011-12-17 09:48 to
11:49 (UTC).
This corresponds to the period from |
|
|
2249
|
Thu Nov 12 10:45:02 2009 |
Alberto | Update | PSL | Abandoned Frequency Generator | This morning I found a frequency generator
connected to something on the PSL table sitting
on the blue step next to the sliding doors. |
|
|
2251
|
Thu Nov 12 11:19:10 2009 |
Koji | Update | PSL | Abandoned Frequency Generator | Last night there was an activity for a
calibratuon work, which I helped. I can take
care of the FG. |
|
|
10006
|
Fri Jun 6 14:56:09 2014 |
ericq | Update | elog | Aaaaaand we're back! | ELOG is back up and running after last
Friday's disk-crash-a-thon. SVN is still
a work in progress. Jenne and I are now restarting |
|
|
9396
|
Fri Nov 15 13:26:00 2013 |
Jenne | Update | CDS | AUXEY is back |
|
|
|
5600
|
Mon Oct 3 13:04:12 2011 |
Jenne | Update | SUS | AUXEX, AUXEY rebooted |
|
|
|
11944
|
Fri Jan 22 11:33:20 2016 |
gautam | Update | Green Locking | AUX-X AM/PM investigations | I was trying to characterize the AM/PM
response of the X end laser. I tried to measure
the AM response first, as follows: |
|
|
11945
|
Fri Jan 22 13:33:37 2016 |
ericq | Update | Green Locking | AUX-X AM/PM investigations |
|
|
|
11946
|
Fri Jan 22 17:22:06 2016 |
gautam | Update | Green Locking | AUX-X AM/PM investigations | There were a number of directories in /users/OLD/mott/PZT/2NPRO,
I've used the data in Innolight_AM_New.
Also, I am unsure as to what their "calibration" |
|
|
11947
|
Fri Jan 22 18:46:03 2016 |
rana | Update | Green Locking | AUX-X AM/PM investigations | The PDA photodetectors are DC coupled,
so you cannot use them to go directly into
the analyzer. Must use the DC block so that |
|
|
13567
|
Mon Jan 22 20:54:58 2018 |
Koji | Summary | General | AUX-PSL beat setup | The beat setup has been made on the PSL
table. The BS and the PD were setup. The
beat was found at 29.42degC and 50.58degC |
|
|
13814
|
Fri May 4 13:24:56 2018 |
Jon Richardson | Configuration | Electronics | AUX-PSL PLL Implementation & Characterization | Attached are final details of the phase-locked
loop (PLL) implementation we'll
use for slaving the AUX 700 mW NPRO laser |
|
|
13816
|
Fri May 4 19:06:28 2018 |
rana | Configuration | Electronics | AUX-PSL PLL Implementation & Characterization | this doesn't make much sense to me;
the phase to frequency conversion (mixer-demod
to PZT ) should give us a 1/f loop as Johannes |
|
|
13867
|
Fri May 18 19:59:55 2018 |
Jon Richardson | Configuration | Electronics | AUX-PSL PLL Characterization Measurements | Below is analysis of measurements
I had taken of the AUX-PSL PLL using an SR560
as the servo controller (1 Hz single-pole |
|
|
14085
|
Thu Jul 19 01:56:25 2018 |
gautam | Summary | VAC | AUX pump shutdown | [koji,
gautam]
Per Steve's instructions, we |
|
|
13900
|
Thu May 31 02:04:55 2018 |
johannes | Update | PSL | AUX laser state of mind | The AUX laser is down to 5.4 mW output
power |
|
|
13948
|
Tue Jun 12 03:22:25 2018 |
gautam | Update | LSC | AUX laser shuttered | I worked a bit on recovering the DRMI locking
again tonight. I decided to shutter the AUX
laser on the PSL table at least until I figured |
|
|
14501
|
Fri Mar 29 15:47:58 2019 |
gautam | Update | AUX | AUX laser fiber moved from AS table to PSL table | [anjali, gautam]
To facilitate the 1um MZ frequency
stabilization project, I decided that the |
|
|
14504
|
Sun Mar 31 18:39:45 2019 |
Anjali | Update | AUX | AUX laser fiber moved from AS table to PSL table |
Attachment #1 shows the schematic
of the experimental setup for the frequency
noise measurement of 1 um laser source. |
|
|
13834
|
Fri May 11 18:17:07 2018 |
gautam | Update | DetChar | AUX laser PLL setup | [koji,
gautam]
As discussed at the meeting earlier |
|
|
14045
|
Sun Jul 8 22:27:25 2018 |
keerthana | Update | | AUX diagram | (Analisa, Keerthana, Sandrine)
So far we tried four different
techniques to scan the AUX laser. They are, |
|
|
13987
|
Tue Jun 19 18:56:55 2018 |
Jon | Update | General | AUX beam alignment issues | Not much progress today with the AUX cavity
scans. I've determined there still are
some alignment issues. |
|
|
13989
|
Wed Jun 20 00:57:04 2018 |
johannes | Update | General | AUX beam alignment issues | We did swap a lens as discussed in elog 13968,
but they both had f=100mm specified, the
difference being one was AR-coated for 1064 |
|