| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
2966
|
Fri May 21 11:56:34 2010 |
Alberto | Update | 40m Upgrading | 40mUpgrade Field Power and RF Power Spectrum at the ports. 38m/38.55m arm length issue. | I update my old 40mUpgrade Optickle model,
by adding the latest updates in the optical
layout (mirror distances, main optics transmissivities, |
7x |
|
2994
|
Wed May 26 17:10:09 2010 |
Alberto | Update | 40m Upgrading | RF Generation box | This is how the RF generation box might
soon look like:
|
|
|
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 |
|
|
3001
|
Thu May 27 12:52:02 2010 |
Alberto | Update | 40m Upgrading | Arm lengths |
For both sidebands to be antiresonant
in the arms, the first modulation frequency |
|
|
3012
|
Fri May 28 21:32:32 2010 |
Alberto | Update | 40m Upgrading | MC alignment | [Alberto, Kiwamu, Kevin, Rana]
Today we tried to measured the beam
shape after the MC MMT1 that Jenne installed |
|
|
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 |
|
|
3094
|
Mon Jun 21 18:01:34 2010 |
Jenne | Update | 40m Upgrading | SRM, PRM hung, magnets inspected | [Jenne, Kiwamu, Rana, Eric Gustafson]
The SRM and PRM have been re-hung,
and are ready for installation into the chambers. |
|
|
3099
|
Tue Jun 22 20:07:08 2010 |
Jenne | Update | 40m Upgrading | First attempt at Tip Tilt hanging | [Jenne, Steve, Nancy, Gopal]
We
made an attempt at hanging some of the Tip |
|
|
3329
|
Fri Jul 30 02:54:04 2010 |
Koji | Update | 40m Upgrading | More optics installed on the BS table | July 29 Thu [Steve, Alberto, Kiwamu,
Koji]
We |
|
|
3332
|
Fri Jul 30 12:46:38 2010 |
Koji | Configuration | 40m Upgrading | BS chamber status | |
|
|
4214
|
Thu Jan 27 21:10:47 2011 |
Osamu | Update | 40m Upgrading | Calibrated noise of green | I calibrated noise spectrum of green lock.
1. Measurement of conversion factor
of ADC input from V to ct: |
|
|
5696
|
Wed Oct 19 12:25:58 2011 |
Suresh | Update | 40m Upgrading | Active Tiptilts from LLO moved to clean shelf along X arm | I have moved the active tip tilts that
we brought over from LLO to the Clean Bureau
along the X arm (closest to the ETMX). There |
|
|
5697
|
Wed Oct 19 13:45:11 2011 |
Suresh | Update | 40m Upgrading | Active Tiptilts from LLO moved to clean shelf along X arm | I have moved the active tip tilts that
we brought over from LLO to the Clean Bureau
along the X arm (closest to the ETMX). There |
|
|
7090
|
Mon Aug 6 11:07:06 2012 |
Manasa | Update | 40m Upgrading | Optical layout updated | ACAD files of the 40m optical layout have
been updated as per the vent in Aug 2011.
Files are available at the 40m svn |
|
|
7125
|
Wed Aug 8 20:51:56 2012 |
Manasa | Update | 40m Upgrading | Optical layout updated |
|
|
|
7222
|
Fri Aug 17 18:49:55 2012 |
Manasa | Update | 40m Upgrading | Optical layout updated |
|
|
|
7245
|
Tue Aug 21 18:23:58 2012 |
Manasa | Update | 40m Upgrading | ETMX table layout | Optical layout of the current endtable
at ETMX has been updated in the svn repository
(directory: 40M_Optical Layout). This layout |
|
|
7354
|
Thu Sep 6 19:21:58 2012 |
Manasa | Configuration | 40m Upgrading | Baffle problem | For the current baffle (dia. 40mm) centered
along the beamline place at 1.77" from
the test mass, the baffle will allow ~8.6mm |
|
|
7359
|
Fri Sep 7 11:58:12 2012 |
Manasa | Configuration | 40m Upgrading | Baffle problem |
|
|
|
7361
|
Fri Sep 7 13:01:53 2012 |
Manasa | Configuration | 40m Upgrading | Baffle problem |
|
|
|
7449
|
Thu Sep 27 19:03:06 2012 |
Manasa | Update | 40m Upgrading | New ETMX layout - Version 1.0 | I am working towards redesigning
the endtables. I've attached the first version
of the layout. As per Steve's comment I've |
|
|
7450
|
Thu Sep 27 20:05:57 2012 |
Koji | Update | 40m Upgrading | New ETMX layout - Version 1.0 | 1. I wonder how the mode profiling/matching
was considered in the new layout.
I can see the distances between the |
|
|
7451
|
Fri Sep 28 07:49:30 2012 |
Steve | Update | 40m Upgrading | New ETMX layout - Version 1.0 | Where is IP-ANG ? It is good
practice to use two mirrors at launching
and detecting the beam, so you can walk it |
|
|
7704
|
Tue Nov 13 11:30:54 2012 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser | I'm set on the mission to get the new bigger endtables setup |
|
|
7705
|
Tue Nov 13 16:18:51 2012 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : Circularize the 1W NPRO beam profile | With reference to measurements made earlier: elog,
Beam parameters for Innolight 1W |
|
|
7706
|
Tue Nov 13 20:13:07 2012 |
Koji | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : Circularize the 1W NPRO beam profile | These fs are too short.
|
|
|
7726
|
Mon Nov 19 20:03:53 2012 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : ETMX layout on new table | I have attached the possible layout of
the optics on the new ETMX endtable. More
optics have been added when compared to the |
|
|
7727
|
Mon Nov 19 20:17:53 2012 |
Jenne | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : ETMX layout on new table |
For convenience, I would include
a steering mirror in front of the TRX PD. |
|
|
7728
|
Mon Nov 19 22:42:14 2012 |
Koji | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : ETMX layout on new table |
I don't like the idea to
place the cylindrical lenses right in front
of the laser. |
|
|
7813
|
Wed Dec 12 11:04:45 2012 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : ETMX layout on new table | I have updated the layout to fix all the
issues brought up. The last couple of 2"
green steering mirrors will hold the PZTs |
|
|
7815
|
Wed Dec 12 14:59:49 2012 |
Manasa | Configuration | 40m Upgrading | New tip-tilts layout in BSC | I have updated the BSC layout to include
the new tip-tilts. The bigger footprints
of the tiptilts are on in |
|
|
7889
|
Thu Jan 10 12:41:06 2013 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : wiki page |
I have created a wiki page linked here with |
|
|
8228
|
Tue Mar 5 00:24:52 2013 |
Manasa | Configuration | 40m Upgrading | Endtable upgrade for auxiliary green laser : customized mount | Drawing of customized mount for endtable
doubler crystal (PV40+PVP2+NP9071) modified
and updated on the endtable upgrade wiki |
|
|
8310
|
Tue Mar 19 14:21:57 2013 |
Manasa | Update | 40m Upgrading | Endtable upgrade : INVENTORY | THE INVENTORY FOR ETMY ENDTABLE.
We definitely need the polaris mirror
mounts and cylindrical lenses. As for the |
|
|
8312
|
Tue Mar 19 19:19:50 2013 |
Jenne | Update | 40m Upgrading | Endtable upgrade : INVENTORY | Does "Ready (in stock)" for the
base plates mean in stock at the company,
or in hand and already here in the |
|
|
8315
|
Wed Mar 20 14:00:21 2013 |
Steve | Update | 40m Upgrading | Endtable upgrade | As discussed at the 40m meeting: Koji,
Manasa and Steve
|
|
|
8318
|
Wed Mar 20 15:51:54 2013 |
Manasa | Update | 40m Upgrading | Endtable upgrade |
|
|
|
8320
|
Thu Mar 21 08:11:53 2013 |
Steve | Update | 40m Upgrading | ETMY table swap |
|
|
|
8321
|
Thu Mar 21 08:46:46 2013 |
Manasa | Update | 40m Upgrading | ETMY table swap | Yes! We are swapping.
I'll be there very soon! |
|
|
8330
|
Thu Mar 21 17:06:34 2013 |
Steve | Update | 40m Upgrading | ETMY table is out |
|
|
|
8340
|
Mon Mar 25 18:07:31 2013 |
Steve | Update | 40m Upgrading | ETMY table is out |
|
|
|
8341
|
Mon Mar 25 18:42:38 2013 |
Manasa | Update | 40m Upgrading | Endtable upgrade for auxiliary green laser : Timeline | Endtable upgrade - timeline and progress
chart. End table upgrade wiki page updated.
|
|
|
8355
|
Tue Mar 26 16:10:31 2013 |
Jamie | Update | 40m Upgrading | ETMY table leveling | Steve's suggestion for how to level the
end table using "swivel leveling mounts":
|
|
|
8356
|
Tue Mar 26 16:36:24 2013 |
Steve | Update | 40m Upgrading | table leveling mounts go here |
|
|
|
8371
|
Fri Mar 29 00:27:06 2013 |
Manasa | Update | 40m Upgrading | Endtable upgrade for auxiliary green laser : Assembly | I am currently putting together all components
so that they are ready to go on the table
once leveling and installation of shield |
|
|
8372
|
Fri Mar 29 16:30:27 2013 |
Steve | Update | 40m Upgrading | table leveling mounts go here |
|
|
|
8373
|
Fri Mar 29 16:35:54 2013 |
Steve | Update | 40m Upgrading | Endtable upgrade |
My full effort to get the optical
table enclosure ready for the lab has failed |
|
|
8392
|
Tue Apr 2 17:23:23 2013 |
Steve | Update | 40m Upgrading | new ETMY optical table & enclosure in place | Enclosure is at the east end. It
has it's bottom o-ring in place. It will
be ready for optics tomorrow around 5pm |
|
|
8416
|
Thu Apr 4 17:23:05 2013 |
Steve | Update | 40m Upgrading | ETMY optical table & enclosure is ready for optics |
|
|
|
8417
|
Fri Apr 5 01:18:34 2013 |
Manasa | Update | 40m Upgrading | Not a fan of the new plastic box yet |
|
|