ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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 |
|
|
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. |
|
|
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 |
|
|
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 |
|
|
2578
|
Mon Feb 8 15:01:46 2010 |
rob | Update | ABSL | Suddenly a much better alignment of PRC |
|
|
|
2579
|
Mon Feb 8 15:41:51 2010 |
Alberto | Update | ABSL | Suddenly a much better alignment of PRC |
|
|
|
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 |
|
|
2581
|
Tue Feb 9 09:07:06 2010 |
Alberto | Update | ABSL | PLL Characterization |
|
|
|
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. |
|
|
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. |
|
|
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 |
|
|
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 |
|
|
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 |
|
|
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? |
|
|
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. |
|
|
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 |
|
|
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 |
|
|
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. |
|
|
2592
|
Thu Feb 11 18:53:57 2010 |
steve | Configuration | VAC | VAC NORMAL is back |
|
|
|
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 |
|
|
2594
|
Fri Feb 12 11:44:11 2010 |
josephb | Update | Computers | Status of the IP change over |
|
|
|
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 |
|
|
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 |
|
|
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. |
|
|
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.
|
|
|
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. |
|
|
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. |
|
|
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. |
|
|
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: |
|
|
2604
|
Tue Feb 16 09:51:22 2010 |
Alberto | Update | Green Locking | 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 |
|
|
2606
|
Tue Feb 16 11:12:51 2010 |
kiwamu | Update | Green Locking | Re:take some optics away from the ETM end table |
|
|
|
2607
|
Tue Feb 16 14:10:06 2010 |
josephb, rob, koji | Configuration | LSC | Arms and PRC not locking |
|
|
|
2608
|
Tue Feb 16 15:25:00 2010 |
Alberto | Configuration | LSC | Arms and PRC not locking |
|
|
|
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. |
|
|
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. |
|
|
2611
|
Wed Feb 17 19:36:05 2010 |
Koji | Update | COC | Arm visibility | I
have measured the arm visibilities.
I did not see any change since the |
|
|
2612
|
Thu Feb 18 10:10:43 2010 |
steve | Configuration | General | 480 V AC power turned off | Only the 40m cranes are running on 480VAC
The electricians are rewiring this transformer
on the mezzanine so it was shut down. |
|
|
2613
|
Thu Feb 18 15:39:16 2010 |
Koji and Steve | Configuration | VAC | valve condition: ALL OFF | As preparation for the upcoming planned
power outage we turned turbos, RGA off and
closed valves. |
|
|
2614
|
Fri Feb 19 00:31:17 2010 |
Jenne | Update | COC | New ITMX guiderods glued | [Jenne, Kiwamu, with moral support from
Koji, and loads of advice from Steve and
Bob] |
|
|
2615
|
Fri Feb 19 02:38:32 2010 |
Koji | Configuration | oplevs | Intsant green oplevs for ITMs shooting from the ends | I
set up instant green oplevs for ITMs.
A green laser pointer has been set |
|
|
2616
|
Fri Feb 19 10:18:19 2010 |
Jenne | Update | VAC | The P1 vac pressure is almost to 3mTorr | The Vac pressure measured at P1 is at 2.5mTorr.
I expect we'll hit 3mTorr sometime this afternoon,
at which point (according to Steve) the interlock |
|
|
2617
|
Fri Feb 19 13:28:44 2010 |
Koji | Update | General | Prep for Power Supply Stop | - ETMX/ETMY oplev paths renewed. The nominal
gain for ETMY YAW was reversed as a steering
mirror has been put. |
|
|
2618
|
Fri Feb 19 15:29:14 2010 |
kiwamu | Update | COC | Gluing dumbbells and magnets | Jenne and kiwamu
We have |
|
|
2619
|
Fri Feb 19 16:40:43 2010 |
kiwamu | Update | Green Locking | rearrange the optics on the end table | Koji and kiwamu
The existing |
|
|
2620
|
Sun Feb 21 17:44:35 2010 |
rana | Update | General | Prep for Power Supply Stop | [LIST]
[*] Turned on the RAID attached to linux1
(its our /cvs/cds disk)
|
|
|
2621
|
Mon Feb 22 07:25:58 2010 |
rana | Update | General | Prep for Power Supply Stop | Autoburts have not been |
|
|
2622
|
Mon Feb 22 09:45:34 2010 |
josephb | Update | General | Prep for Power Supply Stop |
|
|
|
2623
|
Mon Feb 22 10:25:37 2010 |
Jenne | Update | COC | ITMY standoff and guiderod epoxied | This work happened on Friday, after Nodus
and the elog went down....
[Jenne, Kiwamu] |
|
|
2624
|
Mon Feb 22 11:38:05 2010 |
joe, jenne and steve | Configuration | VAC | vacuum is back to normal | Morning condition: vacuum rack power is
still off, no MEDM screen reading.....meaning
unknown vacuum pressure.We closed PSL shutter |
|