PROPERTY ACCOUNTING (Luna)
>From: Rod Luna <rluna@ligo.caltech.edu>
- Continued working with Ernest Ngalula, Tracy Fraser from Property Services and Finance team in closing 51 Fabrication Accounts.
- Conducted E-waste disposal consisting of 15 CPUs, four Monitors, three Printers, six Power Supplies, one Laser, and other miscellaneous electronics.
- Created equipment acquisition report from March to July
- Started compiling vehicle data from LHO and LLO for the GSA annual vehicle report.
DOCUMENT CONTROL CENTER (Mak)
>From Cleveland Mak <mak@ligo.caltech.edu>
- Migrated 23 surveying reports to the new DCC from the Pacific Northwest National Laboratory that were done for the two observatory sites in 1995/96. More than half of the reports needed to be scanned first before they were uploaded. These reports may be of use for the current DUSEL Project at the Homestake Mine in South Dakota.
FINANCIAL SYSTEMS (Lindquist, Oracion)
>From: Karl Oracion <koracion@ligo.caltech.edu>
- Issued monthly report for the Visitor's Program account.
- Currently working on various financial status reports for period ending 7/31/09.
https://dcc.ligo.org/DocDB/0000/M080407/002/FY2009_LIGO_OPs_W= BS_Final_Ver.6.pdf- Financial reports can be found at:
http://docuserv.ligo.c= altech.edu/~fireport/. (For passwords contact Karl <mailto: Karl Oracion <koracion@ligo.caltech.edu>).SUBCONTRACTS MANAGEMENT (Arvizu, Champagnie, Jasnow, Marroquin, Salone)
>From: Rudy Arvizu <arvizu_r@ligo.caltech.edu>
>From: Jacqueline Champagnie and Gina Salone
>From: Steve Marroquin smarroqu@caltech.edu
>From: Ed Jasnow <jasnow@ligo.caltech.edu>
PROPOSALS and REPORTS (Lindquist, Beckett)
We have the financial data for LIGO Opeartions for the end of July. No major changes in the overall projection-to-complete. We are preparing analyses in prepa=ration for the Financial Review scheduled for the Executive Committee on August 17.
> From Dave Beckett <beckett@ligo.caltech.edu>
CHANGE REQUESTS (Lindquist)
HUMAN RESOURCES (Akutagawa)
>From: Cindy Akutagawa <cindy@ligo.caltech.edu>
Summary of Activities at LIGO Hanford Observatory
(compiled by M. Landry)
- We have had trouble with extended locking at 14W this week. Suspecting TCS, we first thought the calibration was problematic. Next we have visited the alignment in first the x-arm, then the y (additional TCS work included mitigating the 158Hz parabolic mirror resonance). Fourteen watts remains unstable. In the days, road-widening efforts right at the 240/route 10 intersection have had significant impact. Our resultant mean BNS inspiral range for the week was 15Mpc, with a science mode duty cycle of 48% (69% up).
- The AdL parts washer was delivered to the warehouse.
- Ten days of lock losses were perused and classified to determiine a potential lockloss harbinger. The study is intended not only to mitigate sources of loss (here, recommendations are made for work on the mode cleaner), but also to lay groundwork for a "save" servo in which we switch to DC readout on ISCT4, instead of unlocking, minimizing downtime. Recall such a setup was employed in S5.
- Photon calibrator measurements continued with lines injected next to voice coil ones; the effort is to map out the actuation function with precision.
Squeezer Update (D. Sigg and S. Dwyer)
- Still working on getting the noise model into simulink. The model seems to be working now and all the servo loops have been closed. This includes the laser frequency locking of the laser and the auxiliary laser, locking the SHG length and the OPO length, locking the coherent field and locking to the local oscillator at the antisymmetric port. We are currently investigating transfer functions for the noise couplings of laser frequency and amplitude noise as well as path length fluctuations in the beam paths as well as displacement noise in the cavity lengths.
Outreach (D. Ingram)
- GEAR UP sites near Prescott, WA and Pasco have brought three groups of ~15 middle school students to LHO for four-day science camps during the last three weeks. Camp activities have been a mixture of hands-on optical astronomy and learning about LIGO. A number of LHO staff, visitors and interns hosted job shadows for the students.
LLO CDS (Keith Thorne):
Hardware
- Carl Adams has made good progress on the test stand component testing. He is almost done with the coil driver chassis. He will then move on to the satellite boxes. He is on track to finish up next week.
- Chris Guido is continuing to come up to speed on the TCS.
- Received a repaired VME ADC module for the vacuum system, so we now have a spare.
Software
- Created two triple-display CentOS workstations using SunFire x2200s and nVidia graphic adapters. These have been configured and are ready to replace the slow, old machines now used for the 6 projectors.
- Solved a long-standing problem with slow directory queries and DTT sessions (on both Solaris and Linux) that started with the original LDAP installation. The solution is to run the Name Services Cache Daemon (nscd). This immediately sped up all queries and applications as well as operator scripts.
- Set up the CDS-resident MATLAB license server and activated it during Tuesday maintenance.
- Did sys-admin tasks, creating ilog accounts and tape backups.
- Removed most of the non-existent EPICS channels from the frame-writer list. The remaining 13 will be removed next week. Also added PEM test channels for use by Robert Schofield.
- Added TCS EPICS status channels to system so they can be used to check the TCS configuration quickly.
- Restarted master LDAP server to recover ability to modify records using the GUI.
- Started configuring new file servers using Sun V490s from old framebuilders. Ordered additional RAID array for backup server. Evaluating options for larger-capacity tape autoloader.
- Discussed solutions to enable Peter Shawhan's GWIstat script to use https:// access so that we can retire the old 'london' web server.
LLO outreach (William Katzman):
- Continued scheduling field trips and tours
- Hosted project MISE cohort 2 (professional development)
- Attended NSTA workshop on Professional Learning Collaboratives and providing professional development for a district.
(Amber Stuver)
- Gave a public tour to a family of 5.
- Minor communication with the APS people who are designing a poster around text I developed.
Reported under General Computing, see below
Reported under General Computing, see below
Reported under LDAS System Administration, see below
Reported under LDAS System Administration, see below
Reported under Data Analysis activities, see below
See also Advanced LIGO
Riccardo DeSalvo
See Advanced LIGO
No report provided.
QUAD
- Brett and Jonathan have started testing the ring heater to see what thermal effects it has on the Quad structure.
- John has been measuring the amount of charge on the test mass using offsets on the ESD. He is coming up with offsets of 10-30Volts which using one model translates to 1E-8 Coulombs. There is an entry on the Lasti ilog (http://www.ligo.mit.edu/ilog/), Lasti Group Log page.
Monolithic
- Mark(LHO), Liam(Glasgow), Alan(Glasgow), Giles(Glasgow), Danny(LLO), and Janeen(LLO) have been here this week practicing and learning how to build a monolithic suspension. The welding on the first test went smoothly, but the mass did not stay suspended, so they are doing a second test today. There are some entries on the Lasti ilog (http://www.ligo.mit.edu/ilog/) on the AdvancedLigoOptics Group Log page.
LASTI
- The pneumatic valve that controls the gate valve between the turbo pump and the vacuum failed this week. It has been replaced and we are back at vacuum.
__________
Drew Keppel:
- adding FAR extrapolation code to lalapps_newcorse, examples of which
can be seen at https://www.lsc-group.phys.uwm.edu/ligovirgo/cbcnote/InspiralPipelineDevelopment/090723162038InspiralPipelineDevelopmentFAR_extrapolation
- updating ligolw_thinca to construct n-tuple coincident triggers from
the minimum sets of n-1-tuple coincident trigger (3 is the minimum)
- updating the massive graviton fischer matrix bound to use Ajith's
new spinning SPA waveforms with the spin parameter set to zero
__________
Antony Searle:
* Revising and testing Bayesian followup with SURF Munier Salem
* Writing paper on fast implementation of Bayesian statistic
__________
Cristina Valeria Torres:
(*) Continuing to improve the follow up pipeline to consolidate more
follow up information onto the checklists and lower burden on the follow
up investigator to search of information. †We need to introduce
backwards compatibility also since there are still some pending S5
followups.
(*) I have also worked with my student on the AUTOTRACK case study, we
are encouraged by the results we have achieved so far. †It appears that
we need to adjust the auto classification parameters but the results
roughly correspond to the existing S5 DQ flags, for the case study being
performed, this is a great sign.
(*) Tracking the TCS drum head modes seems possible using an OMC channel
as a result to further our intentions of tracking the thermal lensing of
ITMs in S6 we need to integrated heterodyning into the tracksearch
pipeline. †This will allow to being testing the possibility of
performing real time thermal lens tracking in S6.
(*) I presented the week 3 glitch shift report to the glitch group.
This report is available here:
https://www.lsc-group.phys.uwm.edu/twiki/bin/view/DetChar/GlitchWeekH1-20090721
(*) A revised manuscript for my GWDAW13 proceeding has been submitted to
CQG and I am awaiting approval.
__________
Ajith Parameswaran:
- Testing the spinning IMR waveforms in LAL.
- Working on the instrumental veto analysis code with Aaron.
__________
Stephen Privitera:
* This week I have been learning about filters and playing with the
matlab calibration model.
__________
Amber L. Stuver:
- Continued working with the rest of the MatApps redevelopment team
on preparations for porting the current CVS repository to a SVN
repository. †Everything is currently on track to start and complete
this during the commissioning break.
- Conferred with another member of the LOOC-UP group about a
potential trip to collaborate with astronomical image processing
professionals so that our pipeline will be better developed.
- Tying up loose ends from this summer: continued organizing an FEd
invited session for the March 2010 APS March Meeting, proof reading a
local grad student's thesis, completing documentation of the software
developed by the RET teacher (Brenden) who worked with me this summer,
etc.
__________
Kari Hodge:
- Organizing people to help with getting information from the
detectors into inputs for the MVSC code.
- Doing a study on low SNR/low chi^2 triggers.
__________
Anand Sengupta:
* Working with Tristan Miller on pylal_mvsc_player and associated
scripts for multivariate statistical classification
* Running it on S5 high mass search months
* Working with Kari Hodge - liaising with CBC group members to add
channel based vetos in the classifier
* Working with Anahita Maghami on her SURF project
__________
Kipp Cannon:
- Working with Drew Keppel on the extension of inspiral background
rate estimation by enhancing the inspiral pipeline's coincidence tool
to do more time slides
- Working to complete the analysis of two months of the S5 high-mass search
- Started a gstlal project page on the daswg home page.
- Working with Dan Stratman on a technique for the deconvolution of
stochastic sky maps
- telecons: †inspiral-highmass, ANU gravity group meeting
__________
Chad Hanna:
* Worked with Mireia on a new chisquared implementation for LLOID
* continued developing high mass post processing and upper limit tools
* started investigating the fixing the inspiral followup pipeline to
work for the high mass search
__________
Joseph Betzwieser:
* Continued work with Ina and Pinkesh on reading in radio ephemeris
from radio observations and applying that information to wide
parameter searches
* Continued work a pipeline that reads in multiple known targeted
sources and uses Pinkesh's resampling code to perform multiple wide
parameter searches on them.
__________
Pinkesh Patel:
(1) Worked with Ina on her correction code for glitches.
(2) Gave an update to the Pulsar group on the globular cluster search
and the resampling review.
(3) Automating scripts to generate a DAG for the globular cluster search.
__________
Igor Yakushin:
1) Working on automatically checking by cWB online pipeline if
injections were detected/not processed/not found.
2) Working on time-shifted semi-online analysis for background estimation
__________
Caltech
(Dan Kozak)
(Phil Ehrens)
(Josh Abadie)
MIT
(Fred Donovan)
Livingston
(Igor Yakushin)
Hanford
(Greg Mendell)
MIT
(Fred)
Livingston
(Dwayne)
(Shannon)
GC/Sys/Netadmin
Sec/Auth
Hanford
(Jonathan)
(Larry)
Caltech
(Veronica)
(Larry)
(Mike)
Grid Application Development:
Einstein@Home on the OSG
- Continue to modify the Einstein@OSG code base to use Condor-G. Changes are being tested on the Caltech ITB. University of Nebraska has offered to support final challenges to new code on their new 6000 core cluster when we are ready.
- Adding support to catch Condor-Q and Condor-History messages to E@OSG.
- Recent Average Credits for the past week were 226,459 credits, roughly on par with last week's 232,163 credits; Weekly rank based on Recent Average Credits remains the same at 7th; Accumulative rank for total credits for all time is still 21st, same as last week.
Binary Inspiral Application on Grids
- Held a full day meeting here at Caltech with Pegasus developers to discuss the architecture of OSG storage, OSG worker nodes and their combined usage model to seed changes in the Pegasus workflow planner to allow LIGO's binary inspiral workflows to utilize large storage elements on the OSG.
- Duncan Brown contacted group regarding a new version of ihope for the binary inspiral search that he checked in over the weekend. This was tested on the LIGO Data Grid. It is now being tested on for use on the Open Science Grid.
- Made several improvements to the python scripts that transfer data to the ITB cluster's storage element.
- Correcting RLS catalog information regarding SRM URL for frame data files after meeting with Kent and Pegasus developers to define the correct usage model for the OSG storage elements.
Open Science Grid Integration & Validation Testbed:
- Resolved issue with Hadoop filesystem which resulted from having too small of a temp partition, used to buffer data.
- Upgraded all notes on Caltech ITB cluster
- Attending all day ITB post-mortem meeting after the release of OSG 1.2
- A new storage discovery tool for osg storage has been released in beta and will be tested here at Caltech on the ITB cluster.
Grid Management:
- Worked on the agenda for next week's OSG Council Face-to-Face Meeting. Made several changes as topics of importance were identified in meetings with OSG PIs.
- Worked with host hotel to identify telephone and teleconference solution for remote participation.
- Reviewed latest OSG budget information with OSG Project Manager.
- Organized agenda and participated in meeting with USC-ISI Pegasus developer to develop a set of tasks and schedule for being able to utilize OSG storage elements in the binary inspiral workflows.
- Attended a meeting at the request of the OSG Executive Director to review the status of metrics for science domain usage of the OSG resources. Made recommendations for a report on the subject to be made at the Council meeting next week.
- Reviewed several OSG "vision" statements that are being written to canvas national cyberinfrastructure.
- Reviewed OSG WBS items for year 3 at the request of the OSG Project Manager.
- Refreshed my memory on LIGO/Caltech hiring procedures.
- Addressed a very large spike in the number of certificate and LIGO Data Grid account requests this week. Beginning to see almost as many requests for LDG account from Europe each week as from the US.
From Carol Wilkinson
Project Controls
- There were no change requests processed this week.
Staffing
- Interviewing of candidates continue for 2 real time programmers for the sites, 1 ME at CIT, and 1 assembly tech at LHO.
- Search is under way for second drafter at MIT to help with the drawings for Seismic Isolation procurements. The need for a third drafter is being evaluated.
- A contract designer has been hired for the SUS design work at LLO and interviews are taking place for the drafting position for AOS.
- Project management is evaluating the Controls and Diagnostics group request for 2 additional EEs at CIT and for 1 each EE dedicated to Advanced LIGO at the two observatory sites.
Procurements
- For Jacqueline Champagnie and Gina Salone
- Trillium SI-107b On hold with Ken Mason
- Storage Containers SI-144 In progress
- Flexures SI-141 In progress
- Pods SI-148a Awaiting NSF approval
- Machine Parts SI-148b Awaiting NSF approval
- Fastners SI-148c Awaiting NSF approval
- Flexure Rods SI-148d Awaiting NSF approval
- Spring Support Posts SI-148e Awaiting NSF approval
- Metrology CO-102 RFQ due 8/28 from Vendor
- Microscope CO-123 Contract sent to vendor for signature
- UK Optics Received signed contract from Vendor
- Creation of “Events” Templates for procurements in progress
- Change order for Support Services PO in progress
- For Rudy Arvizu
- Coating Core Optics CO-118: Contract for Recycling Cavity Mirrors, was signed by Caltech on 7/29/09 and by the vendor on 7/31/09; and Contract for COC Test Masses, was signed by Caltech on 7/29/09 and the vendor on 8/6/09.
- Coating Core Optics: processing the follow-on Contract using University of Glasgow sponsorship funding. Caltech has a commitment to be on Contract by 8/31/09.
- Timing Distribution System DA-290 : PI performing this work and the Subcontract Office met on Wednesday, 8/5/09, and developed a plan to finalize the Agreement by Friday, 8/7/09.
- Seismic isolation team scientist sub award in process. The statement of work was defined on 8/1/09 and a budget from the home university will be available in the next few days.
Property Management
No report this week.
NSF Acquisition Approvals
- A request for approval package was submitted on July 31 to NSF for approval of award for the 4 awards for SI-148, the HAM SEI small mechanical parts.
- Another request for approval to award package is being prepared for sole source, catalogue ADC/DAC procurements. These units were originally envisioned as separate purchases with separate designs below the NSF subcontract threshold for approval, but have now been standardized into a single design across the project. An estimate has been made of the total number of units needed, which will be purchased in several lots as needed. The total cost is now above thethreshold. A single request for approval will be made which will cover the current award and all future procurements of these units.
- A third request for approval for long term labor contracts for technical specialists that cannot be hired onto CIT staff is in preparation for submission to NSF next week.
Progress Updates
- Progress updates are complete for July and progress reports have been posted to the project controls website.
- Subsystems leads need to review the reports and provide variance reports by Tuesday, August 11.
Meetings & Reviews
- The next Monthly Progress Reporting Meeting will be on Thursday, August 13 at 8:30 AM PT. Subsystem leaders or their delegates need to attend.
Dennis Coyne <coyne@ligo.caltech.edu>, Peter Fritschel <pf@ligo.mit.edu>, Calum Torrie<ctorrie@ligo.caltech.edu>, Matt Evans <mevans@ligo.mit.edu>, Ed Chavez <chavez_j@ligo.caltech.edu>, Bob Taylor <taylor_r@ligo.caltech.edu>, Mike Smith <smith@ligo.caltech.edu>, Mike Zucker <mike@ligo.mit.edu>, Hiroaki Yamamoto <hiro@ligo.caltech.edu> see the Adv. LIGO Systems wiki
Design/Readiness Reviews:
For a list of reviews, see the main AdL wiki page
Procurement Techncial Reviews:
See the procurement wiki
Technical Review Board (TRB):
See the TRB log
UHV & Vacuum Review Board (VRB):
See the VRB log
Configuration Control & Documentation:
Approved the following: (Dennis)
Design/Planning:
Interfaces:
See the RODA status page and the Interface Control page.
From: Hiroaki Yamamoto hiro@ligo.caltech.edu
Static IFO simulation (Hiro, Logan)
----------------------------------------------
- The astigmatism introduced by finite opening angles of XR2 and XR3 are now being calculated using the code developed by Logan.
- Muzammil provided us his modal model calculation.
- We asked Ray Beausoleil to calculate the diffractive loss due to the thermal distortion by the coating absorption, using his software Melody.
SIS predicted larger loss when the absorption is asymmetric than the case of symmetric balanced absorption.
Time Domain simulation (Hiro, Seiji)
------------------------------------------------------
- The full advLIGO configuration is set up. Basic transfer functions to lock the Michelson cavity were measured using double demodulation signals.
A few bugs of e2e were fixed.
From: David Nolting dnolting@ligo-la.caltech.edu
- Made a visit to LASTI this week in support of the team working on the testing of the fiber pulling and welding process. A few safety issues were identified and have been communicated to team leaders for revisions/additions to the current create any delays in the process Hazard Analysis and SOP. Those issues identified will be addressed with particle solutions and should not impede the progress of the projected schedule.
- Continued safety support is being given to ongoing design reviews.
From: Mick Flanigan flanigan_m@ligo-wa.caltech.edu
This week was primarily focused on the ICS system, with only small amounts of time to QA.
Inventory Database:
We have completed the design work for the following items:
- Inspection Records
- Test Records
- Modification Records
- Parts View UI
We are in testing for the following Item:
- Defect Records
Team will be deploying these new features early next week to production. Along with this, we have made some changes to address several bugs, as well as streamlining the system:
- We will no longer refer to parts as Catalog and Non-Catalog. This seems to be creating confusion, and I was asked to change this to a better naming convention. I have agreed to change this to Catalog Parts, and LIGO Parts. Definitions for these are in the instructions tab on the import spreadsheet. LIGO Parts is essentially the same thing as Non-Catalog, but makes it a bit clearer for everyone I hope.
- Added CDS to the subsystems. Also setting the rack and chassis records to default to CDS ownership. No entry required by users.
- Added Columbia as a distinct location in the system and import Sheets
- Added Wilson House as a distinct location in the system and Import Sheets
- Removed Schematic and Schematic Rev features from JIRA and the import spreadsheet.
- Removed all notion of subsystem in the unique part key. Right now we see the following: [Subsys]-[dwg]-[rev]-[type]-[sn#]. Subsys will go away because it is possible parts could cross over from one Subsys to another. We will track the current subsystem in a field in the parts attributes, and not in the key.
ICS Statistics:
Thanks to everyone using the system and really starting to exercise the database!!! Keep reporting any bugs, improvements and new feature requests to http://track.appfire.com:8090/secure/Dashboard.jspa
- Catalog Parts in system: 6900+
- LIGO Parts: 7700+
- Bake Loads: 1
- Clean Loads: 4
- Shipping Loads: 3
- Storage Loads: 0
QA:
Provided guidance to the procurements team and Columbia on the need for the existing QA language in the contracts, even though it is not completely applicable, the functionality in the document allows users to toggle by check box what is applicable. This relieves the team from having to write a custom QA doc for every contract. Will follow up to make sure this model is easy to use for them and meets their needs.
Will be traveling to LLO in a week, and am in the process of locating the measuring devices to get the inspection done. If I cannot locate the calipers and pin gauges by tomorrow, will purchase these for this job, and future use at LHO.
From: John Worden <worden_j@ligo-wa.caltech.edu>
- LHO: The parts washer arrived this week and has been placed in the warehouse. Next - level it, wire and plumb. Parts Washer
- LLO: from Rus: We received the 5 ton hand truck this week. The large parts washer has been shipped. We expect to receive it on Monday. We have received and assembled the shelving for the small part storage area. We sent to Houston and received back the RAL parts that needed cleaning. I ordered two 4' X 8' Class 100 clean rooms for gowning purposes.
From: Ken Mason kmason@ligo.mit.edu
aLIGO Project Activities
No reportSEI Electronics Design and Fabrication
We have finished testing the STS-2 Distribution Chassis. They are all working properly.
The Pump Servo PCB layout is now finished. I will send it out for a prototype run soon.
The Trillium 240 to STS-2 Interface PCB is back from Sunstone, and has been stuffed. We are waiting for the panels, then we'll put it into a chassis, and ship it off.
We have looked at the noise of the STS-2 Interface Chassis, and they all look pretty good. there are a small handful of channels that are a bit noisier than the others, and we will investigate this before sending them out.
Quotes for the 8-Ch Valve Driver Chassis build are still coming in, we should be making a decision on them soon.
Sam is currently stuffing the internal boards for the ISI Coil Driver prototype that Mohana left before she went on leave. We'll put them through some testing when they're done. ~Ben A.
Hepi Procurement and Assembly
Kineoptics is shipping 14 actuators to LLO and 25 to LHO this week. Mick and Ken will be inspecting the actuator bellows at each of the sites.
HAM ISI Procurement and Design
The contracts for the miscellaneous machined parts, pods, flexures, and spring posts were sent to the NSF this week for approval.
The RFQ for GS-13 flexures was sent to potential bidders. Stephany is focusing on the BSC seismometers and HAM shipping containers next.
32 actuators have been completed at PSI in Slidell, LA. Joe Hanson and Tom Gentry will visit to review the test results and procedures.
BSC ISI Design and Test
Stage 2 redesign: Working through details of bolt patterns and parts clearances. ~Andy
We are currently more focusing on the design than testing. Celine was with us this week to work on the flexure rods projects. We have also started working on the cable routing, with the help of Adrien Leroux a visitor from INSA Lyon engineering school. Sam is almost done with the pods projects and is making good progress on the overall assembly. Andy, Stephany and myself keep making progress on our respective projects (Stage2, actuators and Stage1). Mark Mazzella, a draftsman, will start working with us on Monday. ~ Fabrice
From Janeen Romie and Norna Robertson
(romie_j@ligo-la.caltech.edu, nroberts@ligo.caltech.edu)Operations Work
Project-Funded Activities
From: Peter King <pking@ligo.caltech.edu>
Operations
Project
From: Rodica Martin <rmartin@phys.ufl.edu>
ELIGO Commissioning (LLO):
- We organized all IOO parts in the optics lab in preparation for clearing out for the floor re-work. (Kate and David)
Advanced LIGO R&D
Advanced LIGO Design
ALIGO Acquisition
From: GariLynn Billingsley <Billingsley_G@ligo.caltech.edu>
(Rand)
Got the shipment case quote from New World Cases, but need instead high impact plastic, so they are requoting.
Have asked Olympic case if they have all they need for a shipment case quote, they say yes, but he has not generated it.
Suspended first contact work in the new lab 015a due to a ventilation problem. Peter King, myself, David Mispagel are investigation. A vented or ventless fume hood is under consideration.
Got a working procedure for collecting spectral data from small sample through a microscope (small samples) that is working extremely well. Better reflectance spectra, and now transmittance is possible.
See T0900351-v7 for a contraptionless, hassle-free method to get First Contact off a large optic.
https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=3853
Margot has assisted in the clean bake and assembly of the Fold mirror containers, has updated the three radii of curvature specifications for the -R3 optics and submitted several orders via techmart.
A kickoff meeting is planned at CSIRO for September 21st. Dannenberg, Flannigan and Billingsley attending.
All coating contracts are fully executed.
RFP for full aperture metrology instrument has been sent
We have found that there is no anneal on the Fold mirrors after core drilling. We will pursue annealing for these three pieces before final polish as an insurance against warping upon coating anneal.
From: Michael Smith <smith@ligo.caltech.edu>
Work Under Project Budget
OPTICAL LEVER:
VIBRATION ANALYSIS LAB:
Work Under Operations Budget
OPTICAL LEVER
The prototype optlev pylon was received, and a preliminary vibration test indicates that the lowest resonance is approx. 35 Hz. There is no specification for the resonant frequencies.
We conducted a design review of Craig's telescope mount drawings and several changes were suggested to simplify the design and reduce costs. He is expected to finalize the drawings and obtain approval to send out for bids next week.
Eric and Tara are at LHO working with Doug and Cheryl to compare the optlev pointing noise measurements made at CIT and LHO. At the moment there is an unidentified source of beam pointing drift with Doug's setup in the LHO optics lab.
Riccardo's SURF students are measuring the spot profile at the output of a prototype beam expander with a CCD camera and are developing software to automatically determine the beam size and centroid location.
Eric and Riccardo are studying the review committee's responses to the Optlev requirements and conceptual design documents. The committee wants better experimental evidence that we can meet the stated 1 microradian pointing accuracy.
Ian a SURF student is making comparative measurements of a water level tiltmeter with the standard tiltmeter at LHO LVEA.
OUTPUT FARADAY ISOLATOR
Jesse completed testing the blue-steel blade spring samples. The test results verify Mike's design equations within the experimental error. An apparent discrepancy in the predicted vertical spring frequency was resolved when Jesse used Mike's revised frequency equation.
ETM Telescope
Jesse developed a matlab model to calculate the guoy phase of his ABCD matrix model of the ETM/transmon optical train. Muzammil gave him some pointers on how to calculate the guoy phase using the ABCD matrix.
Ken completed a preliminary layout of the ETM telescope and transmon table.
TCS
Ken has finished detailed working drawing for the thermal housing for Phil Willem's co2 laser.
SLC
Mike is studying the responses to the SLC preliminary design review held on 7/9/09.
From: Peter Fritschel <pf@ligo.mit.edu>
For additional information about this report, contact Albert Lazzarini