| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
2610
|
Wed Feb 17 12:45:19 2010 |
josephb | Update | Computers | Updated Megatron and its firewall | I updated the IP address on the Cisco Linksys
wireless N router, which we're using to keep
megatron separated from the rest of the network. |
|
|
2609
|
Tue Feb 16 16:24:30 2010 |
kiwamu | Update | Green Locking | Re:Re:take some optics away from the ETM end table | I put the TRY_PD back to the end table
and aligned it. Now it seems to be working
well. |
|
|
2608
|
Tue Feb 16 15:25:00 2010 |
Alberto | Configuration | LSC | Arms and PRC not locking |
|
|
|
2607
|
Tue Feb 16 14:10:06 2010 |
josephb, rob, koji | Configuration | LSC | Arms and PRC not locking |
|
|
|
2606
|
Tue Feb 16 11:12:51 2010 |
kiwamu | Update | Green Locking | Re:take some optics away from the ETM end table |
|
|
|
2605
|
Tue Feb 16 10:01:16 2010 |
Alberto | Configuration | LSC | Arms and PRC not locking | Since last Friday either the arms or the
PRC can't lock.
The montors show the beam flashing |
|
|
2604
|
Tue Feb 16 09:51:22 2010 |
Alberto | Update | Green Locking | take some optics away from the ETM end table |
|
|
|
2603
|
Sat Feb 13 18:58:31 2010 |
josephb, alex | Update | Computers | fb40m testpoints fixed | I received an e-mail from Alex indicating
he found the testpoint problem and fixed
it today: |
|
|
2602
|
Sat Feb 13 13:21:53 2010 |
Koji | Update | Electronics | triple resonant EOM --- liniaryity test | Looks good. I just thought of the idea
that we also can use Alberto's PLL setup
to sense the modulation with more sensitivity. |
|
|
2601
|
Fri Feb 12 18:58:46 2010 |
kiwamu | Update | Green Locking | take some optics away from the ETM end table | In
the last two days Steve and I took some optics
away from the both ETM end table. |
|
|
2599
|
Fri Feb 12 15:59:16 2010 |
josephb | Update | Computers | Testpoints not working | Non-testpoint channels seem to be working
in data viewer, however testpoints are not.
The tpman process is not running on fb40m. |
|
|
2598
|
Fri Feb 12 14:19:28 2010 |
rana, steve | HowTo | lore | International Fax | Steve showed me how to send an international
fax today:
Load paper.
|
|
|
2597
|
Fri Feb 12 13:56:16 2010 |
josephb | Update | Computers | Finishing touches on IP switch over | The GPIB interfaces have been updated to
the new 192.168.113.xxx addresses, with Alberto's
help. |
|
|
2596
|
Fri Feb 12 13:15:41 2010 |
kiwamu | Update | Electronics | triple resonant EOM --- liniaryity test |
I have
measured the linearity of our triple resonant |
|
|
2595
|
Fri Feb 12 11:56:02 2010 |
josephb | Update | Computers | Nodus slow ssh fixed | Koji pointed out that logging into Nodus
was being abnormally slow. I tracked
it down to the fact we had forgotten to update |
|
|
2594
|
Fri Feb 12 11:44:11 2010 |
josephb | Update | Computers | Status of the IP change over |
|
|
|
2593
|
Thu Feb 11 19:20:44 2010 |
rana | Update | Computers | Status of the IP change over | After Joe left:
Turned on op440m and returned him
his keyboard and mouse.
Damped |
|
|
2592
|
Thu Feb 11 18:53:57 2010 |
steve | Configuration | VAC | VAC NORMAL is back |
|
|
|
2591
|
Thu Feb 11 18:33:54 2010 |
josephb, alex | Update | Computers | Status of the IP change over | A few machines have still not been changed
over, including a few laptops, mafalda, ottavia,
and c0rga. |
|
|
2590
|
Thu Feb 11 16:52:53 2010 |
kiwamu | Update | Electronics | triple resonant EOM ---- preliminary result | The commercial resonant EOM of New Focus
has the modulation efficiency of |
|
|
2589
|
Thu Feb 11 15:53:59 2010 |
steve | Configuration | VAC | PSL output shutter is closed | Joe and Alex are working on the computers.
Our vacuum system is temporary "All
off" condition: meaning all valves are |
|
|
2588
|
Wed Feb 10 23:44:56 2010 |
Koji | Summary | COC | Phase Map Analysis | In the middle of the last month, Kiwamu
and I went to Garilynn's lab to measure the
phase maps of the new ITMs and SRMs. |
|
|
2587
|
Wed Feb 10 23:15:37 2010 |
Koji | Update | Electronics | triple resonant EOM ---- preliminary result | Hey, this looks nice, but can you provide
us the comparison of rad/V with the resonant
EOM of New Focus? |
|
|
2586
|
Wed Feb 10 17:28:02 2010 |
kiwamu | Update | Electronics | triple resonant EOM ---- preliminary result | I have made a
prototype circuit of the triple resonant |
|
|
2585
|
Wed Feb 10 16:27:47 2010 |
steve | Configuration | General | IFO beam heights | IN
VACUUM beam heights are ALL 5.5"
This is measured from the top of the |
|
|
2584
|
Tue Feb 9 17:51:48 2010 |
Jenne | Summary | IOO | Input Mode Matching Telescope design is complete | The upgrade's input mode matching telescope
design is complete. A summary document
is on the MMT |
|
|
2583
|
Tue Feb 9 17:18:45 2010 |
josephb | Summary | Computers | Locking Y arm successful with fully replaced front-end for ITMY | We were able to lock the Y-arm using Megatron
and the RCG generated code, with nothing
connected to c1iscey. |
|
|
2582
|
Tue Feb 9 10:10:58 2010 |
Alberto | Update | ABSL | back to analog | I want to try to do the measurement with
the network analyzer used as local oscillator,
instead of the Marconis that I'm using now. |
|
|
2581
|
Tue Feb 9 09:07:06 2010 |
Alberto | Update | ABSL | PLL Characterization |
|
|
|
2580
|
Mon Feb 8 17:00:36 2010 |
josephb | Update | Computers | Megatron ETMY model updated (tst.mdl) | I've added the control logic for the outputs
going to the Contec Digital Output board.
This includes outputs from the QPD filters |
|
|
2579
|
Mon Feb 8 15:41:51 2010 |
Alberto | Update | ABSL | Suddenly a much better alignment of PRC |
|
|
|
2578
|
Mon Feb 8 15:01:46 2010 |
rob | Update | ABSL | Suddenly a much better alignment of PRC |
|
|
|
2577
|
Mon Feb 8 14:56:17 2010 |
Alberto | Update | ABSL | Suddenly a much better alignment of PRC | I just aligned PRM and locked PRC and I
noticed that SPOB is much higehr than it
used to be. It's now about 1800, vs 1200 |
|
|
2576
|
Mon Feb 8 14:13:03 2010 |
Alberto | Update | ABSL | PLL Characterization | Lately I've been trying to improve the
PLL for the AbsL experiment so that it could
handle larger frequency steps and thus speed |
|
|
2575
|
Sat Feb 6 00:10:08 2010 |
Sanjit | Update | Adaptive Filtering | OAF at > 5Hz |
Did some more test to get better
performance at higher frequencies. |
|
|
2574
|
Fri Feb 5 14:31:46 2010 |
Jenne | Update | SUS | 2 SOS towers assembled | [Jenne, Kiwamu]
The 2 SOS towers for the ITMs have
been assembled, and are on the flow bench |
|
|
2573
|
Fri Feb 5 11:01:49 2010 |
steve | Configuration | VAC | slow pumpdown valve | I have installed a slow start throttle
valve in front of V3 This spring loaded
valve will cut down on the flow at high pressures. |
|
|
2572
|
Fri Feb 5 01:04:58 2010 |
Sanjit | Update | Adaptive Filtering | OAF at > 5Hz |
There is lot of coherence between
the error signal and PEM channels at 5-100Hz. |
|
|
2571
|
Fri Feb 5 00:52:55 2010 |
Sanjit | Update | Adaptive Filtering | OAF at 0.1-1.0 Hz |
At 0.1-1.0Hz, there is some coherence
between MC_L and RANGER_Y & GUR_Y, see |
|
|
2570
|
Thu Feb 4 12:29:04 2010 |
josephb | Update | Computers | Martian IP switch over notes | What is the change:
We will be
moving the 131.215.113.XXX ip addresses of
the martian network over to a 192.168.XXX.YYY |
|
|
2569
|
Thu Feb 4 00:59:52 2010 |
rana | Update | elog | elog restarted | I restarted the ELOG on NODUS just
now. Our attempt to set up error logging
worked - it turns out ELOG was choking |
|
|
2568
|
Wed Feb 3 11:13:15 2010 |
steve | Configuration | General | planed power outage for Sat. Feb 20 | The electrical shop has to connect the
new power transformer at CES. This means
we will have no AC power for ~8 hrs on Saturday, |
|
|
2567
|
Wed Feb 3 10:46:12 2010 |
Alberto | Update | elog | elog restarted | Again, this morning Zach told me
that the elog had crashed while he was trying
to post an entry. |
|
|
2566
|
Wed Feb 3 09:01:42 2010 |
rob | Update | lore | IFO isn't playing nice tonight |
|
|
|
2565
|
Wed Feb 3 07:57:01 2010 |
steve | Update | PSL | PMC transmission is low | The low PMC transmission alarm was on this
morning. The PMC alignment needs a touch
up. |
|
|
2564
|
Wed Feb 3 01:17:19 2010 |
Koji | Update | PSL | IFO isn't playing nice tonight | I checked the situation from my home
and the problem was solved. |
|
|
2563
|
Tue Feb 2 22:39:12 2010 |
Jenne | Update | PSL | IFO isn't playing nice tonight | [Jenne, Kiwamu]
It's been an iffy last few hours
here at the 40m. Kiwamu, Koji and I |
|
|
2562
|
Tue Feb 2 18:15:47 2010 |
Alberto | Update | elog | Elog restarted it | Zach made me notice that the elog
had crashed earlier on this afternoon.
I just restarted it with the restarting |
|
|
2561
|
Tue Feb 2 16:10:09 2010 |
steve | Update | PEM | construction progress next door | CES construction is progressing. The 40m
suspensions are bearing well.
atm1, PEM vs sus plots of 120 |
|
|
2560
|
Tue Feb 2 15:30:03 2010 |
Alberto | Frogs | Treasure | Wild Oats | FYI. Sitting on the top shelf of George
I found an opened jar of raspberry jam and
an opened jar of creamy peanut butter. Both |
|