ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
2873
|
Mon May 3 17:49:41 2010 |
rana | Configuration | PSL | RC Temperature Servo Turned OFF temporarily |
|
|
2875
|
Tue May 4 02:28:38 2010 |
rana | Configuration | PSL | RC Temperature Servo Turned OFF temporarily |
My attempt to passively measure |
|
2876
|
Tue May 4 06:32:58 2010 |
alberto | Configuration | PSL | RC Temperature Servo Turned OFF temporarily |
|
|
2881
|
Wed May 5 02:37:55 2010 |
rana | Configuration | PSL | RC Temperature Servo Turned OFF temporarily |
|
|
2901
|
Sun May 9 20:02:23 2010 |
rana | Configuration | SUS | SUS filters deleted again to reduce CPU load on c1susvme2 again | On Friday, I deleted a bunch of filters
from the c1susvme2 optics' screens (MC1,2,3
+ SRM) so as to reduce the CPU load and keep |
 |
2922
|
Wed May 12 12:32:04 2010 |
josephb | Configuration | CDS | Modified /etc/rc.d/rc.local on megatron | I modified the /etc/rc.d/rc.local file
on megatron removing a bunch of the old test
module names and added the new lsc and lsp |
|
2923
|
Wed May 12 12:58:26 2010 |
josephb | Configuration | CDS | Setup fb to handle lsc, lsp models on megatron | I modified /cvs/cds/caltech/target/fb and
changed the line "set controller_dcu=10"
to "set controller_dcu=13" (where |
|
2938
|
Mon May 17 02:10:10 2010 |
Koji | Configuration | IOO | How to lock / align the MC | Let
me remind you how to lock and align the IMC
To lock |
|
2939
|
Mon May 17 10:57:16 2010 |
steve | Configuration | SUS | damping restored to ETMYs | ETMY-south sus damping was restored |
|
2943
|
Tue May 18 11:54:29 2010 |
steve | Configuration | SAFETY | psl mechanical shutter is not working | As we learned yesterday, the PSL laser
power out put mechanical shutter is not working
in the remote mode. It only works in local |
|
2947
|
Tue May 18 15:09:02 2010 |
steve | Configuration | SAFETY | PSL output shutter in order again |
|
|
2957
|
Thu May 20 12:34:46 2010 |
kiwamu | Configuration | 40m Upgrading | optical breadboards with legs | Yesterday Steve and I revived two legs
to mount some optical breadboards outside
of the end table. |
 |
2965
|
Fri May 21 08:28:29 2010 |
steve | Configuration | VAC | TP3 turned off |
|
|
2970
|
Fri May 21 16:37:35 2010 |
steve | Configuration | VAC | tp3's drypump replaced | Bob replaced the tipseal in an other drypump
and I swapped it in. TP3 turbo is running
again, it's foreline pressure is 40 mTorr. |
|
2972
|
Mon May 24 07:53:57 2010 |
steve | Configuration | PEM | air cond. just turned ON | IFO room temp 27.5C , Please remember to
turn AC back on ! |
|
2980
|
Tue May 25 09:12:46 2010 |
kiwamu | Configuration | Green Locking | effect from air conditioner | We should
completely turn off the air conditioner when |
|
2996
|
Wed May 26 22:22:03 2010 |
Alberto | Configuration | 40m Upgrading | Arm cavity length | The second sideband is resonant in the
arms for a cavity length of 37.9299m.
The nearest antiresonant arm lengths |
 |
3015
|
Sun May 30 15:33:21 2010 |
Alberto | Configuration | IOO | mode cleaner and air conditioning | The mode cleaner is locked and the air
conditioning is full on. So the the air conditioning
doesn't seem to be so important for the lock |
|
3016
|
Sun May 30 15:36:22 2010 |
Alberto | Configuration | PSL | IMC periscope shutter | Two days ago I opened the PSL shutter by
switching the switch on the shutter driver.
That caused the shutter's switch on the medm |
|
3023
|
Tue Jun 1 06:30:38 2010 |
Koji | Configuration | 40m Upgrading | effect of the arm length | I checked the effect of the arm length
to the reflectance of the f2(=5*f1) sidebands.
Conclusion: If we choose L_arm |
  |
3081
|
Wed Jun 16 18:12:16 2010 |
nancy | Configuration | Computers | 40MARS | i added my laptop's mac address to teh
martian at port 13 today.
|
|
3083
|
Wed Jun 16 18:44:07 2010 |
Alberto | Configuration | Computers | 40MARS |
|
|
3109
|
Wed Jun 23 18:05:00 2010 |
Koji | Configuration | PSL | FSS SLOWDC should be ~-4.0 | FSS SLOWDC slider is at around 0.
Please someone relock this at ~-4.0 to exploit |
|
3110
|
Wed Jun 23 23:08:30 2010 |
rana | Configuration | PSL | FSS SLOWDC should be ~-4.0 |
|
|
3133
|
Tue Jun 29 11:48:17 2010 |
Jenne | Configuration | SAFETY | Back in LASER HAZARD mode. | [Steve, Kiwamu, Jenne]
The 40m is now |
|
3135
|
Tue Jun 29 14:16:35 2010 |
Koji | Configuration | SAFETY | Back in LASER HAZARD mode. | The insects and the laser trouble... Strange
coincidences with LHO surprised me, but now
I have been relieved. |
|
3151
|
Wed Jun 30 23:03:46 2010 |
rana | Configuration | IOO | Power into MC restored to max | Kiwamu, Nancy, and I restored the power
into the MC today:
Changed the 2" dia. |
|
3152
|
Thu Jul 1 10:26:34 2010 |
steve | Configuration | VAC | pd68 at vacuum normal state | Slow pump down _pd68 has reached the vacuum
normal state. CC4_Rga region is pumped
now. The RGA is still off. |
 |
3170
|
Wed Jul 7 17:18:57 2010 |
Alberto | Configuration | Electronics | Stochmon and LSC AM Stabilizer Decomissioned | Today I disconnected and removed the
Stochmon box from the 1Y2 rack.
I
also removed the amplifiers that were sitting |
|
3173
|
Wed Jul 7 22:52:38 2010 |
rana, nancy | Configuration | IOO | bad length control offset for the MC | Rana found out that a connection was bad
in the shown place, due to which the MEDM
screen was showing bad offset for length |
 |
3178
|
Thu Jul 8 15:19:27 2010 |
josephb, koji | Configuration | Computers | Added Zonet camera to IP table on linux1 | We gave the Zonet camera the IP 192.168.113.26
and the name Zonet1.
We did this by modifying the /var/named/chroot/var/named/113.168.192.in-addr.arpa.zone |
|
3191
|
Mon Jul 12 02:21:01 2010 |
Koji | Configuration | ASC | Resurrection of MC WFS | I have resurrected the MC WFS on Friday
night.
I have uncommented the WFS part of |
|
3206
|
Tue Jul 13 13:56:29 2010 |
Gopal | Configuration | Optic Stacks | Vitol Material Properties | Viton flouroelastomers have somewhat variable
material properties. The following parameters
are being used for eigenfrequency analysis. |
|
3222
|
Wed Jul 14 19:00:56 2010 |
Gopal | Configuration | Optic Stacks | Vitol Material Properties, REVISED |
|
|
3227
|
Thu Jul 15 12:21:08 2010 |
Alberto | Configuration | LSC | PRC and SRC length adjustements | Lately I've been trying to calculate the
corrections to the recycling cavity lengths
that would compensate for the phase that |
8x |
3228
|
Thu Jul 15 15:57:10 2010 |
Koji | Configuration | LSC | PRC and SRC length adjustements | Tell me whether it is correct or not. Otherwise
I won't be able to sleep tonight.
|
|
3229
|
Thu Jul 15 16:16:51 2010 |
Alberto | Configuration | LSC | PRC and SRC length adjustements |
|
|
3239
|
Fri Jul 16 16:12:31 2010 |
Alberto | Configuration | Computers | c1susvme1/2 rebooted | Today I noticed that the FE SYNC counters
of c1susvme1/2 on the RFM network screen
were stuck at 16384. I tried to reboot the |
|
3242
|
Sun Jul 18 20:50:03 2010 |
rana | Configuration | IOO | MC TRANS optics changed | To make the beam on the MC trans camera
bigger, I removed the lens + ND filter that
was in that path. |
|
3248
|
Tue Jul 20 08:04:31 2010 |
steve | Configuration | VAC | slow vent has started | The PSL shutter was closed. The beam path
blocked two places. High voltage power supplies
to IOO and OMC PZT were checked to be off. |
|
3252
|
Tue Jul 20 17:38:16 2010 |
Gopal | Configuration | Optic Stacks | Stack Type Clarifications | Some clarification is warranted regarding
the different shapes of stacks. Corrections |
|
3261
|
Wed Jul 21 17:41:17 2010 |
Gopal | Configuration | Optic Stacks | Pictures of Stacks | Now that venting is complete, this is a
request for anyone who opens any chamber:
1) Please notify me immediately |
|
3331
|
Fri Jul 30 09:55:34 2010 |
steve | Configuration | VAC | slow pumpdown has started | Bob and Steve closed BS chamber with the
help of the manual Genie lift and the pump
down started. The PSL shutter was closed |
|
3332
|
Fri Jul 30 12:46:38 2010 |
Koji | Configuration | 40m Upgrading | BS chamber status | |
|
3335
|
Fri Jul 30 17:52:12 2010 |
Koji | Configuration | General | Jacket | Jenne and I need our jackets. We removed
them from the Rb clock.
Thanks for making them warm. Probably |
|
3337
|
Fri Jul 30 19:20:15 2010 |
Alastair | Configuration | General | Jacket |
|
|
3347
|
Mon Aug 2 10:26:15 2010 |
steve | Configuration | VAC | very slow pumpdown completed |
|
|
3355
|
Wed Aug 4 01:44:56 2010 |
Koji | Configuration | PEM | Accelerometer located on and below the PSL table | [Jenne and Koji]
In order to characterize the seismic vibration |
  |
3361
|
Wed Aug 4 19:50:58 2010 |
rana | Configuration | Electronics | Rubidium clocks too hot: hut removed | Alastair found that the foam hut that he
and Jan put on top of the Rb clocks to temperature
stabilize them was too good of an insulator. |
|
3383
|
Sat Aug 7 11:07:44 2010 |
Koji | Configuration | PSL | MC kept locked / PMC control gain reduced to +13dB | Jenne asked us to keep th MC locked
and let the seismometers happy through this
weekend. |
|