ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
5545
|
Mon Sep 26 15:15:45 2011 |
Anamaria | Update | LSC | Realignment of REFL / Some 3f PRMI locking / Recycling Gain | A few comments on REFL table alignment
and REFL165.
Last time we realigned the table |
|
6079
|
Wed Dec 7 00:48:58 2011 |
kiwamu | Update | RF System | Realigned incindent pointing to MC | Actually it was already in a good place.
I
just realigned the zig-zag mirrors on the
PLS table to bring the entire beam axis a |
|
8969
|
Tue Aug 6 07:52:58 2013 |
manasa | Update | General | Ready to pump down | I did an alignment check of the IFO before
we start pumping down.
Arms were locked. PRM and SRM were |
   |
11488
|
Mon Aug 10 22:18:19 2015 |
Ignacio | Update | IOO | Ready to do some online mode cleaner subtraction | I'm attaching a SISO IIR Wiener filter
here for reference purposes that will go
online either tonight or tomorrow evening. |
  |
14390
|
Tue Jan 8 19:13:39 2019 |
Jon | Update | Upgrade | Ready for pumpdown tomorrow | Everything is set for a second pumpdown
tomorrow. We'll plan to start pumping
after the 1pm meeting. Since the main volume |
|
9597
|
Tue Feb 4 17:40:19 2014 |
manasa | Update | General | Ready for pump down?? |
|
|
9598
|
Tue Feb 4 23:01:24 2014 |
Jenne | Update | General | Ready for pump down?? |
This sounds great! The only
suggestion that I have is for checking POP. |
|
9601
|
Wed Feb 5 15:26:57 2014 |
manasa | Update | General | Ready for pump down?? |
|
|
889
|
Tue Aug 26 19:07:37 2008 |
Yoichi | HowTo | Computers | Reading data from Agilent 4395A analyzer through GPIB from *Linux* machine | I succeeded in reading data from Agilent 4395A
analyzer, who's floppy is crappy, through
GPIB from a Linux machine using
|
|
2447
|
Tue Dec 22 18:42:40 2009 |
Sanjit, Koji | Configuration | Adaptive Filtering | Readded DAQ channels to active list | Sometimes back we modified /cvs/cds/caltech/chans/daq/C1ASS.ini
to save some of the channels. The file was
reverted to default after the recent changes |
|
3457
|
Mon Aug 23 18:18:22 2010 |
kiwamu | Configuration | SUS | Re:watchdogs off | Now watchdogs
are back. |
|
2606
|
Tue Feb 16 11:12:51 2010 |
kiwamu | Update | Green Locking | Re:take some optics away from the ETM end table |
|
|
4038
|
Thu Dec 9 22:04:40 2010 |
kiwamu | Update | SUS | Re:strange ETMX suspension | [Koji, Osamu and Kiwamu]
We
checked the ETMX suspension and found the |
|
4090
|
Wed Dec 22 21:38:47 2010 |
kiwamu | Configuration | VAC | Re:slow pumpdown at 12 hours | I stopped the pumping at 9:30 pm. Now
we are at 29 torr.
|
|
2740
|
Wed Mar 31 11:52:32 2010 |
kiwamu | Summary | Green Locking | Re:conversion efficiency of PPKTP | Good point. There is a trick
to avoid a divergence.
Actually the radius of the cylindrical |
|
4080
|
Mon Dec 20 23:32:58 2010 |
kiwamu | Update | IOO | Re:checking out & closing the vacuum chambers | |
|
5838
|
Mon Nov 7 22:20:18 2011 |
kiwamu | Update | Green Locking | Re:YARM length fluctuation | A nice plot !
Can you put another y-axis on the
right hand side of the same plot in |
|
3323
|
Thu Jul 29 17:12:48 2010 |
josephb, kiwamu | Update | CDS | Re:Working out ADC/DAC/BO wiring | We
have installed 4 BO boards, 3 DAC boards
and 1 ADC board for new C1SUS.
They |
|
3460
|
Mon Aug 23 22:11:52 2010 |
kiwamu | Update | Treasure | Re:Seriously? | Woops, I am sorry about that. I've just
cleaned them up.
|
|
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. |
|
2533
|
Tue Jan 19 23:26:07 2010 |
kiwamu | Update | Electronics | Re:Re: triple resonant circuit for EOM |
|
  |
5820
|
Sat Nov 5 04:30:21 2011 |
kiwamu | Update | Green Locking | Re:Passive summing box modifications | I think you also should check the PZT's
capacitance of the 700mW LightWave because
2.36 nF is the one for the 1W Innolight laser. |
|
5537
|
Sat Sep 24 02:09:43 2011 |
kiwamu | Update | SUS | Re:Oplev filter optimization for 2 poles and 2 zeros | Good work for the oplev noise simulations.
Here are some comments/questions:
(A) The noise looks suppressed |
|
5540
|
Sat Sep 24 17:45:56 2011 |
Paul | Update | SUS | Re:Oplev filter optimization for 2 poles and 2 zeros |
|
|
5508
|
Wed Sep 21 23:25:51 2011 |
kiwamu | Update | SUS | Re:ITMY and SRM actuator response functions - fitting results | Did you take the 180 deg shift into your
account ?
Since your measurement was done when |
|
5509
|
Wed Sep 21 23:44:45 2011 |
Paul | Update | SUS | Re:ITMY and SRM actuator response functions - fitting results |
|
|
4724
|
Mon May 16 10:05:02 2011 |
kiwamu | Update | Photos | Re:ETMY optical bench | You are right. We should change or rotate
the mirror mount.
Actually when Suresh and I were putting |
|
4321
|
Fri Feb 18 00:13:55 2011 |
kiwamu | Update | CDS | Re:Daqd was rebuilt, now reverted. | THANK
YOU, JOE !!! |
|
3330
|
Fri Jul 30 09:51:58 2010 |
kiwamu | Update | Green Locking | Re: waist positon of Gaussian beam in PPKTP crystals | Okay, I guess I understand what you want
to know. I did the following steps.
1. calculated the conversion efficiency |
   |
5105
|
Wed Aug 3 11:34:59 2011 |
kiwamu | Update | VAC | Re: vent | An
important rule during the in-vac work :
|
|
2529
|
Tue Jan 19 03:27:47 2010 |
kiwamu | Update | Electronics | Re: triple resonant circuit for EOM | 1. You are right, the gain for the
single resonant circuit was about 9.3 in
my measurement. |
|
3614
|
Tue Sep 28 00:07:45 2010 |
kiwamu | Configuration | VAC | Re: slow vent has started | (Koji, Yuta, Kiwamu)
|
|
5005
|
Wed Jul 20 19:48:03 2011 |
Jamie | Update | SUS | Re: oplev gains today |
We have been modifying models
that need to have their channels renamed |
|
4922
|
Thu Jun 30 11:40:21 2011 |
Jamie | Update | IOO | Re: misc. MC work |
|
|
3092
|
Sun Jun 20 18:28:25 2010 |
kiwamu | Update | Green Locking | Re: lock with PDH box | On the wiki I summarized about the modification
of the PDH box which is currently running
on the end PDH locking. |
|
3315
|
Thu Jul 29 10:39:43 2010 |
kiwamu | Update | SUS | Re: installation of in-vac optics | I updated the last entry |
|
2374
|
Wed Dec 9 21:09:28 2009 |
kiwamu | Update | SUS | Re: free swinging spectra of ETMY and ITMX | Okay, now the data are attached. At that
time I just wanted to say like the follower.
- - - |
|
2375
|
Thu Dec 10 00:46:15 2009 |
Koji | Update | SUS | Re: free swinging spectra of ETMY and ITMX | Well, I get the point now. It could
be either seismic or change in the suspension
Q. |
|
3414
|
Thu Aug 12 18:30:08 2010 |
kiwamu | Update | CDS | Re: current status | Yes.
The medm screen C1SUS_GDS_TP.adl
showed some numbers which correspond |
|
5125
|
Fri Aug 5 15:11:24 2011 |
kiwamu | Update | SUS | Re: cross coupling | There is a page on the 40m wiki explaining
the procedure.
|
|
4413
|
Fri Mar 18 16:06:30 2011 |
kiwamu | Update | Green Locking | Re: Y arm plan for today | We use
Alberto's laser for the Y end Green Locking. |
|
4414
|
Fri Mar 18 16:31:11 2011 |
Suresh | Update | Green Locking | Re: Y arm plan for today | The
reason for using Alberto's laser is that
some amount of work has already gone into |
|
4195
|
Mon Jan 24 13:08:07 2011 |
kiwamu | Update | Green Locking | Re: X arm locked ! |
|
|
4196
|
Mon Jan 24 14:27:13 2011 |
kiwamu | Update | Green Locking | Re: X arm locked ! |
|
|
5776
|
Tue Nov 1 16:02:15 2011 |
kiwamu | Update | SUS | Re: SUS input matrix diagonalizer REMOVED from crontab |
|
|
2920
|
Wed May 12 10:33:32 2010 |
kiwamu | Update | Green Locking | Re: Reflection from ETM and ITM ! | The procedure you wrote down as a standard
is right. I explain reasons why
we didn't do such way. |
|
2921
|
Wed May 12 12:25:11 2010 |
Koji | Update | Green Locking | Re: Reflection from ETM and ITM ! | ???
I still don't understand. What principle
are you rely on? |
|
1373
|
Mon Mar 9 11:09:33 2009 |
Alberto | Update | Computers | Re: Not even data retrieval working | [quote]Although getting the regular DAQ data
works, we can't get any testpoints.
|
|
4643
|
Thu May 5 15:28:23 2011 |
kiwamu | Update | LSC | Re: MI locking : calibration of BS and ITMs actuators | They are the DC responses.
I put the resonant frequencies that |
|
5238
|
Mon Aug 15 14:07:39 2011 |
kiwamu | Update | IOO | Re: MC misaligned a lot | The leveling
was still okay. The MC mirrors were realigned |
|