The four H1 PSL safe.snap files were committed to the userapps SVN repository under userapps/trunk/psl/h1/burtfiles as

iss/safe.snap, fss/safe.snap, pmc/safe.sna and dbb/safe.snap

The corresponding safe.snap files in the target area were made to be symbolic links to these files.

The ODC group (Ryan F) requested some PSL ODC channels have non-zero default settings. These were added to the running system, and the ODC channel blocks were added to the safe.snap flies for ISS, FSS and PMC.

See the attached photo of the SW corning of BSC1 where there is a temp reader of some sort.  I must relocate this as it is where the HEPI plumbing runs.  The Installation Manager said go ahead so I moved it to the other side of the viewports on the same flange still on the SW corner.  If any one cares about how good a job I did of applying the proper amount of pressure etc of placing this, please give it a look over.  However, if you try to look at data you likely won't see much as there is no cable connected to the satellite box downstream.

Mark B.

Picking up where I left off on Friday, aiming towards getting TFs.

We have put all of the H2 CDS code into the cds_user_apps SVN repository. I have created a One Arm Tag to archive the code base for H2 as it was at the end of the OAT run. H2 BSC6 commissioners may now transition the code away from the OAT configuration.

- Cheryl, Deepak, Luke

The 3" steering mirror behind PR2 was installed in HAM3.  The 3" black glass that sits behind the mirror in it's mount turned out to be more like 2.8", so the set screw is almost fully through it's threaded hole, and does firmly hold the black glass in place.  The 3" optic had the First Contact removed from the back surface, and there appeared to be possible FC left  around the very edge in a number of places.  I wiped the edge with acetone, and some features were removed, but most remained, and after looking at it with Betsy, it seemed like the features could be the edge of the AR coating.  I put the optic in it's mount, with the HR side still covered with FC, and we installed it into HAM3.

Work installing into HAM3 will continue on Monday.

* Black glasses and clips used for all ISC mirrors were found and are ready to be installed (but IO black glasses are not yet ready). As noted before, this can be done later.

* Sled is ready as noted before.

* Picomotor interface and the manual driver are ready so we can test picomotors in chamber once they're installed.

* Ditto for QPD.

The final distributed piping on HAM4 was completed today.  The distributed tubing from BSC8 has been reinstalled on BSC1.  And a little more of the temporary tubing was removed.
The main supply & return lines are what remains.

Due to concerns of improper strains placed on the glass via the metal secondary prism, the prisms were removed from the MC1 and MC3 optic barrels.  These will be reglued on with a new curing procedure shortly.  The debonding process, E1200821, took ~3-4 hours of continual "baby sitting" by me and Gerardo to keep the prism joint wet with acetone.

JimW MitchellR & GregG

The crew got a portion of the Sensors installed on to the ISI.  These included the Trilliums and the Vertical L4-Cs & 1 Horizontal GS-13.  

I put a dust monitor in the clean room over the ISI. It was set to location number 2 in the LVEA. It is in there but does not seem to be running correctly.

Mark Barton

Travis reports that the OSEMs on the BSFM02 are adjusted so I'll be trying to take TFs. The Matlab scripts are a bit old, so it may be more debugging than taking data to begin with.

We'll be using the BSC8 cables/controls/models to test BSFM02, so the FMy MEDM settings will be changed for this testing phase.

Mark Barton and Betsy Bland

We created a directory, ^/trunk/BSFM/X1/BSFM02 , in the SUS SVN for the BSFM suspension about to be tested on the solid stack in the LVEA. Because it's Phase 1 testing, we declare it honorary X1, despite the facts that:

* It was originally intended as H1:BS.

* It is now slated to be repurposed as I1:BS.

* It will be tested with H2:ITMy cabling and channels.

Travis, Betsy

The BS which had been built for H1 on the solid stack/test stand in the LVEA is now destined for India.  (The FMy from BSC8 is due to become the new H1 BS.)  Travis has resumed work on the BS in order to finish it and stow it for India, thus making space for the BSC8 rework for H1.  In line with the standard way we had been naming suspensions, this BS is now being dubbed "BSFM02" as it will be built and tested only to Phase 1 prior to storage.  BSFM02 has been coarsely aligned.

Attached are plots of dust counts > .5 microns approximately from 6 AM to 6 PM in particles per cubic foot.

We tuned the QPD sled Gouy telescope using the modemaster and a fiber coupled source. Basically copied LLO, however the difference in source parameter means that some of the things are different. Details about the source and the tuning parameters etc. will be detailed in T1200433, which is yet to be written.

Then we have centered the QPDs using hand held QPD LCD readout box (D1102092). QPD cables were clamped down on the sled.

(Turned out that the hand held box had a pin compatibility issue. I, Richard McCarthy and Rich Abbott talked, and Richard made a patch job so I can go on. Rich is going to modify the rest of the units at Caltech.)

We've wrapped it in a foil and put it in a big ameristat bag.

One caveat, though, is that it turned out that we don't have a suitable black glasses that fits the J-clamp for 1-inch optics (at least in the lab). Also, rectangular black glasses that are supposed to be installed just outside of the sled were too thick and didn't fit the V holders.

We will be able to install them when we go in to HAM3 for real alignment in the future, not this time.

From initial alignment data, we know the following:

Positive offset in PIT (H2:SUS-ETMY_M0_OFFSET_P and H2:SUS-ITMY_M0_OFFSET_P) will tilt the mirros such that the reflected beam off of the mirrors will go down.

Positive offset in YAW will tilt the mirrors such that the reflected beam off of the mirrors will go toward the inside of L.

That is, the upper stage of ITM looks like the mirror image of the ETM. Why is this the case? I thought that they are identical.

Also, I think oplev sign is somehow wrong. It's not consistent with initial alignment data.

FYI, the sign of the things in initial alignment was figured out by:

First using baffle diodes to figure out the sign of the TMS to figure out the TMS sign, and make the first beam hit the center of the ITM.

Then using ETMY cage and CCD camera, make the reflected beam from the ITM hit the cage bars to figure out the sign of ITM.

Then move offset of ETMY so that the beam comes back to the table, then move TMS and repeat, to see if ETMY sign is the same as TMS (it is).

As you can see, there is not much ambiguity there.