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Laser Interferometer Gravitational-Wave Observatory
LIGO Caltech 40 meter prototype Page
This web site is a place for dissemination of information
on the Caltech 40 meter prototype IFO.
The documents are for LIGO internal use only.
- Presentation to the 40m Technical Advisory Committee (40m TAC),
January 7, 2009
slides from Rana and
TAC report from Ken.
- 40m New Upgrade design report, 12/29/08,
T080074, pdf.
- Final papers from 2008 SURF students:
- W. Max Jones, Caltech,
LIGO-T080074-00-R
Automated Noise Characterization
for the 40 m LIGO Facility
.
-
Eric Mintun, Caltech,
LIGO-T080XXX-00-R
Development of a Digital Camera
Network and Associated Analytical
Tools for the Caltech 40m LIGO
Prototype
.
-
Masha Baryakhtar, Harvard,
LIGO-T080202-00-R,
Development of Auxiliary Lock
Acquisition Procedures at the
Caltech 40m Interferometer.
-
Sharon Rapoport, MIT,
LIGO-T080155-00-R,
Adaptive Noise Cancellation -
40m Mode Cleaner.
- 40m Annual Report for MOU, July 18 2008,
pdf.
- Presentation to the 40m Technical Advisory Committee (40m TAC),
November 8, 2007,
pdf.
- Final papers from 2007 SURF students:
- Sonia Buckley, U Dublin,
LIGO-T070168-00-I,
Automated Optimization of
the Local Damping and
Control for the Suspended
Optics at the 40 m.
-
Joshua Weiner, Caltech,
LIGO-T070266-00-I,
Automated Analysis of the Transverse
Modes of a Laser Beam Using a
Non-Degenerate Fabry-Perot Cavity.
-
Alice Z. Wang, Georgia Tech,
LIGO-T070193-00-I,
Next-generation Radio Frequency
Photodiodes for
Gravitational-Wave
Interferometers.
-
Keenan Pepper, Florida State,
LIGO-T070192-00-R,
Newtonian Noise Simulation
and Suppression for
Gravitational-Wave
Interferometers.
- DC Readout Experiment at the Caltech 40m Laboratory,
R. Ward at Amaldi '07, Sydney Australia, 7/14/07:
talk G070447-00-R, and
writeup.
- Quantum Enhancement in a Prototype Gravitational Wave Detector,
K. Goda et al,
P070049-00.
- Caltech 40m Lab Update, R. Ward,
at the LIGO/VIRGO Scientific Collaborations Meeting,
Baton Rouge LA, March 2007,
G070150.
- Adv. LIGO LSC Scheme for the 40M, K. McKenzie,
at the LIGO/VIRGO Scientific Collaborations Meeting,
Baton Rouge LA, March 2007,
G070179.
- Experimental Demonstration of a Squeezing-Enhanced Laser-Interferometric
Gravitational-Wave Detector, talk by Keisuke Goda at March 2007 LSC meeting (3/21/07),
pdf.
- 40m Technical Advisory Committee (40m TAC)
meeting (2/8/07)
slides and
minutes.
- Status and future of 40m, talk by Alan Weinstein
(G070006, 1/29/07),
pdf.
- 40m Technical Advisory Committee (40m TAC) meeting (10/19/06)
slides and
minutes.
- Technical notes by Monica Varvella, visitor from LAL/Orsay:
- Relative mirror velocity estimation at the 40m interferometer
T060170, M.Varvella, 10/16/06.
- Design of a new Gouy telescope for the 40m
IFO Mode Cleaner Wavefront Sensors,
T060238, R. Adhikari, D. Busby, and M.Varvella,10/31/06.
- Length control signals calibration for the 40m IFO,
T060251, M.Varvella,10/31/06.
- User's manual for the AdVirgoFP package
(arm cavity with high laser power) in e2e framework,
T060209, M.Varvella,10/06.
- User's guide for the 40mInLockState package in e2e framework,
T060250, M.Varvella,10/06.
-
LIGO Caltech 40 Meter Laboratory Annual Report, 7/27/06.
- Reports by 2006 SURF/REU students:
- Jenne Driggers (U Washington),
"Optomechanical Alignment Instability in LIGO Mode Cleaners",
T060240-00-R,
paper and
talk.
- David Malling (Syracuse U),
"Development of a Noise Budget for the LIGO 40-Meter Prototype Interferometer",
T060241-00-R,
paper and
talk.
- Darcy Barron (U Illinois),
"DC Readout at the LIGO 40-meter Interferometer",
T060XXX-00-R,
paper and
talk.
- Royal Reinecke (Caltech),
"Angular Noise in a Suspended Interferometer with DC Readout",
T060244-00-R,
paper and
talk.
- Riccardo Ciolfi (U Rome),
"Development of Photodetectors for the Squeezing Experiment
at the LIGO 40m GW interferometer",
T060246-00-R,
paper and
talk.
- Update on activities at the 40m lab,
Rob Ward, LSC meeting at LSU, 8/16/06,
LIGO-G060402
pdf.
- Control sideband generation for dual-recycled laser
interferometric gravitational wave detectors
(aka Mach-Zehnder paper), LIGO-P060022-02-Z,
Class. Quantum Grav. 23 (2006) 5661,
(pdf).
- Talk by Osamu on 40m optical response, G0602XX, on
Gravitational Wave Advanced Detector Workshop (GWADW), Elba, May 31 2006,
ppt.
- Talk by Monica on e2e simulations of dual recycled interferometers,
G060289, at
Gravitational Wave Advanced Detector Workshop (GWADW), Elba, May 31 2006,
pdf.
- Meeting of the 40 Meter Technical Advisory Committee
(by telecon) on Thursday, 6/8/06. Slides
here (pdf),
and committee report
here (pdf).
- Measurement of Optical Response of a
Detuned Resonant Sideband Extraction Interferometer,
LIGO-P060007-01-R, Phys.Rev.D74, 022001 (2006),
(pdf).
See also
http://arxiv.org/abs/gr-qc/0604078, submitted 4/18/06.
- Meeting of the 40 Meter Technical Advisory Committee
(by telecon) on Thursday, 2/9/06. Slides
here (pdf).
- Plans for injection of squeezed vacuum into the
AP of the 40m, from Keisuke Goda and Nergis Mavalvala of MIT:
Go's web page, and
planning documents.
- Talks by Rob Ward at QND Workshop, Hannover, Dec 19, 2005:
Modeling the 40m (pdf);
Optical springs at the 40m (pdf);
The Optickle Optical Modeling Tool (pdf).
-
AdLIGO Optical configuration and control (pdf),
Alan Weinstein, LIGO NSF Review, 11/10/05.
- Optical spring and optical resonance in the
40m Detuned RSE interferometer,
LIGO seminar at Caltech by Osamu Miyakawa, 11/1/05, G050568,
ppt,
pdf.
- Lock Acquisition Scheme for the Advanced LIGO Optical Configuration,
for the proceedings of the 6th Amaldi Conference on Gravitational Waves,
Osamu Miyakawa, 9/20/05,
pdf.
- Meeting of the 40 Meter Technical Advisory Committee
(by telecon) on Thursday, 10/13, at 8:30 am Pacific.
We reviewed the status of lock acquisition,
e2e simulations, and DC readout design and procurement. Slides
here (pdf)
and TAC report
here (pdf).
- Proposal to inject squeezed vacuum
into the 40m interferometer (Mergis Mavalvala and MIT squeezing group):
Slides
here (ppt)
and proposal
here (pdf).
-
Plans for DC Readout Experiment at the 40m Lab
(pdf)
or
(ppt), G050324-00-R,
Alan Weinstein for the 40m Lab, 7/19/05.
-
40m DC readout review, report and recommendations
(pdf) , T050168-00-R,
Ken Strain for the review committee, 9/7/05.
-
40m Dual-Recycled Fabry-Perot-Michelson
Experimental Work Plan and Progress (updated 6/30/05).
-
LIGO Caltech 40 Meter Laboratory Annual Report, 6/27/05.
- Final reports from 2005 SURF Students:
- Marcus Ng's SURF final paper, 9/15/05,
"Design of an Output Mode Cleaner to Enable DC Readout in the LIGO 40-
Meter Interferometer", in
pdf or
doc.
- Ryan Kinney's SURF talk, 8/18/05,
"Noise Budget Development for the LIGO 40 Meter Prototype", in
pdf or
ppt.
- Marcus Ng's SURF talk, 8/18/05,
"Design of an Output Mode Cleaner to Enable DC Readout in the LIGO 40-
Meter Interferometer", in
pdf or
ppt.
-
Status report of the 40m program
(
pdf or
ppt)
presented by Osamu Miyakawa at the LSC Technical Plenary Session, 8/16/05.
-
Report on the Status, accomplishments,
and plans for the LIGO Caltech 40 Meter
Prototype Interferometer Laboratory
for FY05,
M050290, pdf, 8/9/05.
-
Lock acquisition scheme
for the Advanced LIGO
optical configuration,
talk by Osamu Miyakawa at Amaldi 6, 6/24/05,
pdf, and
ppt.
-
Advanced LIGO optical configuration
investigated in 40meter prototype,
G050195, pdf, presented by O. Miyakawa at the
LSC meeting at LLO, 3/22/05.
-
Report on the Status, accomplishments,
and plans for the LIGO Caltech 40 Meter
Prototype Interferometer Laboratory
for the period 7/04 to 7/05,
M050134, pdf, 2/15/05.
-
Development of Optical lever system of the 40 meter interferometer,
T040231-00, Fumiko Kawazoe, pdf, 12/13/04.
-
Current issues at Caltech 40m Lab,
talk by Kentaro Somiya at UFlorida, pdf, 10/19/04.
-
Report on work performed by Kentaro Somiya during
his visit to the 40m lab, 8/04-9/04, Kentaro Somiya, pdf, 10/1/04.
-
Analytical Calculation of Frequency Noise in
the Spectrum of the 40m RSE Interferometer,
Kentaro Somiya, T040180, pdf, 9/13/04.
-
Visibility of the Optical Spring Effect in the Spectrum of the 40m RSE Interferometer
, Kentaro Somiya, pdf, 9/3/04.
-
Virtual Mach-Zehnder based on polarization separation for generating multiple sets of non-cascaded sidebands
, Peter Beyersdorf, pdf, 8/23/04.
- 40m Laboratory Upgrade Progress Report
at the LSC meeting, LHO, 8/17/04, A. Weinstein, in
ppt or
pdf.
- Lock acquisition and Mach-Zehnder issues for 40m and AdvLIGO,
at the LSC meeting, LHO, 8/18/04,
presented by Kentaro Somiya for S. Kawamura and O. Miyakawa,
ppt (17 MB) or
pdf.
-
Effect of Mach Zehnder Residual
Displacement Noise on the 40m Detuned
RSE Interferometer,
T040166-00-R, S. Kawamura and O. Miyakawa, 8/22/04.
-
Initial Work on Suspension Diagonalisation,
status report by B. Barr, 8/22/04.
-
Campus based research activities
At the 40 Meter Interferometer Facility,
LIGO Annual Report for FY04;
M040203, pdf, 7/8/04.
-
Lock Acquisition Scenario for the 40m Detuned RSE Prototype;
I. Central Part,
T040081-01-R, S. Kawamura and O. Miyakawa, 5/28/04.
-
Sidebands of Sidebands in the 40m System,
B. Barr and O. Miyakawa, 5/25/04.
-
Mach-Zehnder interferometer for Advanced LIGO optical
configuration to eliminate sidebands of sidebands,
O. Miyakawa, S. Kawamura, B. Barr, S. Vass, 5/20/04.
-
Sensing and control of the Advanced LIGO optical configuration,
LIGO-P040017-00-R,
O. Miyakawa, 5/20/04, for
SPIE conference on telescopes, Glasgow, 6/04.
-
Effect of sideband of sideband on 40m and Advanced LIGO,
O. Miyakawa, 5/17/04.
-
Results from the Glasgow 10m RSE experiment,
Bryan Barr, 5/17/04.
-
40m lab safety document T040092, 4/04.
- 40m Laboratory Upgrade Progress Report
at the LSC meeting, LLO, 3/18/04, O. Miyakawa, in
ppt or
pdf.
- Current Status of the 40m Detuned RSE Prototype, LIGO-G040039-02-R,
2004 Aspen Winter Conference on Gravitational Waves 2/15/04,
Seiji Kawamura, in
ppt (6 MB,
with animations) or
pdf.
- Signal Extraction Matrix of the 40m Detuned RSE Prototype,
T040010-00-R.pdf,
Seiji Kawamura. This note explores different variations on
the 5x5 signal extraction matrix for Detuned RSE:
comparison of differential demodulation and double demodulation,
dependence of each DOF on demod phases,
allocation of ports for optimal signals,
comparison of different PO ports, and cavity length tolerances.
- Seiji and Osamu have noted an interesting asymmetry
in the polarity of Michelson length signal
obtained at the Symmetric Port
In a Fabry-Perot Michelson Interferometer,
which they explain in
technical note T030295-00-R.
- Seiji, Osamu and Shihori have documented their method for
calibration of the displacement spectrum of the
40m Fabry-Perot Michelson IFO, in
technical note T030287-00-R.
-
An informal review of the
40 Meter experimental plan,
scope, staffing and budget
was conducted on Tuesday
(Shoemaker, Wilkinson, Strain, Fritschel,
Weinstein, Miyakawa, Kawamura, Vass).
Minutes.
- Seiji has documented the approach he and Osamu take
to calibrate and measure the PSL frequency noise using the MC:
technical note T030239.
- Final reports from 2003 SURF Students:
-
Modelling and Commissioning the Wavefront Sensing Auto-Alignment
System of a Triangular Mode Cleaner Cavity
at Caltech's 40m Advanced LIGO Prototype
Lab, Matt Eichenfield,
technical note T030234.
-
Characterization, Commissioning and
Implementation of the Optical Lever System
at Caltech's 40m Advanced LIGO Prototype
Lab, Naman Bhatt,
technical note T030231.
-
Development of the 40 meter prototype
for Advanced LIGO
(The Beam tool, MC WFS commissioning, electro-optic shutters,
beamline installation),
Alexei Ourjoumtsev,
technical note T030198.
- Conor Mow-Lowry's writeup of
the mods to the FSS servo of the 40m PSL,
technical note T030205.
- Seiji has analyzed the predicted noise performance
of the PSL with the FSS pickoff moved to after the PMC; see this
technical note T030149.
-
Mike Smith's alignment procedure
T030141-00.pdf.
-
Preliminary report on Mode Cleaner WFS alignment system commissioning,
Alexei Ourjoumtsev, pdf, 7/8/03.
-
40m Laboratory Upgrade Progress Report to the
Technical Advisory Committee,
March 19, 2003, LIGO-G030033-00-R, O. Miyakawa;
response of the TAC (K. Strain).
-
Frequency noise of 40m PSL and MC,
LIGO commissioning meeting ; O. Miyakawa,
(pdf), 02/10/03.
- Annual report for 2002, research at the 40 Meter Interferometer Facility
(M030003, 1/9/03, AJW), in
doc and
pdf.
- Status report on Mode Cleaner frequency noise
from Osamu, 10/21/02, in
ppt and
pdf.
- Final reports from 2002 SURF Students:
-
Measurement of the laser beam profile at the 40 Meter Prototype Interferometer,
Aya Sekido,
T020143-00-R.
-
Wavefront Sensing in Dual-Recycled Interferometers,
Marcus K. Benna,
T020144-00-R.
-
Characterization and commissioning of digital suspensions for the 40m Mode Cleaner.,
Ilya Berdnikov,
T020145-00-R.
-
Topics in Data Analysis from Gravitational Wave Interferometers,
including a Cross Correlation Statistic to Identify Co-incident Bursts in LIGO,
Surjeet Rajendran
T020146-00-R.
-
Characterizing the length sensing and control system of the mode cleaner in the LIGO 40m lab
David Bonfield
T020147-00-R.
- 40m Upgrade report to the Technical Advisory Committee, LIGO-G020337-00, Dennis Ugolini,
at the LSC meeting, 8/21/02, in
pdf or
ppt.
-
40m_NETWORKING INDEX
-
SUSPENSION_RESTART_PROCEDURES
-
40m IFO sensing instrumentation summary
- 40m Optical tables
-
40m PSL Test and Commissioning Report (T010145-00).
-
Advanced LIGO Optical Configuration and Prototyping Effort,
accepted for publication in
the Proceedings of the 4th Amaldi Conference on Gravitational Waves,
Classical and Quantum Gravity Special Issue.
The
originally submitted paper, containing much more detail on the
status of the 40m upgrade and on simulation tools,
was deemed unnecessarily detailed and technical.
Thus, it may be of more interest to you.
-
Specs for the 40m suspended optics.
- Updated 40m Vacuum System States and Sequences, in
pdf or
Word or
- Materials for the 40m Dual Recycling Conceptual Design Review, 10/18/01:
- 40m Conceptual Design
(T010115-DRAFT, pdf, 2.7 MB, 68 pages)
-
40m Optical Systems and Sensing Design Requirements Document & Conceptual Design
(Smith, T010117-00-D, pdf, 800 KB, 95 pages) or
Word.
-
40m Auxiliary Optics Support System DRD (T010120-00-D, Smith, pdf, 465 KB) or
Word.
-
40m Dual Recycling Conceptual Design Overview (Weinstein, G010385/1, pdf, 4.3 MB)
or ppt.
- Recent Lab Infrastructure Upgrades
(L. Jones, G010385/2, pdf, 600 KB)
-
40m Subsystems: PSL, Vacuum, DAQS, PEM, computing and networking...
(D. Ugolini, G010385/3, pdf, 2.2 MB) or
ppt.
-
40m RSE Core optics (Billingsley, G010385/4, pdf, 36 KB)
- 40m suspensions
(J. Romie, G010385/5, pdf, 444 KB)
-
40m suspension electronics (Abbott, G010385/6, pdf, 3.8 MB) or
ppt.
-
40m optical systems (Smith, G010385/7, pdf, 633 KB) or
ppt.
-
40m Auxiliary Optical systems (Smith, G010385/8, pdf, 397 KB) or
ppt.
- 40m Schedule and Progress
(T. Frey, G010385/9, pdf, 53 KB)
- Final reports from 2001 SURF students:
-
Simulations of Advanced Ligo:
Comparisons between Twiddle and E2E,
Richard George, Cambridge University (pdf, 1.3 MB, T010160-00-R)
-
LIGO Physics Environmental Monitoring
at the 40-meter Prototype,
Victor Tsai, Caltech (pdf, 1.1 MB, T010161-00-R)
-
Characterization and Testing of the Optical Properties
of the LIGO 40 Meter Lab Pre-Stabilized Laser,
Tim Piatenko, Cornell U. (pdf, 1.1 MB, T010162-00-R)
-
The Pre Stabilized Laser for the LIGO
Caltech 40m Interferometer:
Stability Controls and Characterization,
Andrea DeMichele, U. Pisa (pdf, 416 KB, T010159-00-R)
-
Simulation of LIGO Interferometer's Response to Gravitational Waves and Noise,
Mihail Amarie, Caltech (pdf, 363 KB, T010158-00-R)
-
Analysis of Burst Signals in LIGO Data:
Optimizing burst search algorithms in the time-frequency domain,
Irena Zivkovic, U. Nis, Serbia (pdf, 700 KB, T010157-00-R)
- 40m Upgrade report to the Technical Advisory Committee,
LSC meeting, 8/16/01, in
pdf or
ppt.
- 40m Optical layouts, from Mike Smith and Fred Mann, in PDF:
- 40m Laser Standard Operating Procedure (SOP) and Safety Plan, in
MS WORD and
pdf (
6/01, 12/04).
- PSL Controls manual (from LLO):
pslman.pdf.
- The PSL table at the 40m as is is being built (5/31/01),
from Mike Smith:
D010092.pdf.
- Report by Lisa Goggin of Cork, Ireland, on
"A Study of Gravitational Waves
and the response of Advanced LIGO
as top-level parameters are varied", 5/31/01,
T010064-00.pdf.
- Final report by Guillaume Michel on AdvLIGO E2E work:
T010090-01.pdf.
- Talk by AJW and Guillaume Michel on AdvLIGO E2E work:
drligo.pdf.
- A collection of Advanced LIGO parameters (5/15/01):
aligo.txt.
- Ben has drawn up our
DAQS racks.
- Dual recycling:
I've prepared a
RSE/SR writeup
to frame the question of
whether the 40m prototype of AdvL should operate
in the signal recycling or RSE regimes
(AdvL will of corse operate in the RSE regime;
and the control scheme is the same in either case).
I'd LOVE to get some comments on this!
- Transparencies for LSC meeting, 3/16/01, in
powerpoint
and
G010079.pdf.
- Transparencies from CSUDH group on FFT simulations
for Advanced LIGO and 40m, from LSC meeting, 3/16/01, in
pdf.
- Transparencies for NSF review, 1/29/01, in
powerpoint
and
G010009.pdf.
- Dennis Ugolini has assembed a detailed list of tasks during the next
two months,
here.
These include: installation of the output optic chamber and it's new
seismic isolation stacks; installation of the 12 meter mode cleaner;
begin installation of the PSL; installation of 9 electronics racks
and the beginnings of populating them with VME crates, DAQ electronics, etc;
setting up of the control room (furniture, computers, networking);
regeneration and re-installation of the ion pumps;
commissioning of the new vacuum control system;
finish up items on the building rehab punch list; etc.
- Talk at PAC9 (LLO, 12/10/00) by Ken Ganezer of CSUDH on proposed work plan
for involvement in 40m upgrade (and LIGO SNEWS), in
pdf.
-
Preliminary results from installation of STACIS active seismic isolation
system at the 40m!
- Drawings of 40m computer network and proposed control room layout
on Ben Abbott's
web page.
- Report on Vacuum pressure at the 40 Meter and the new
Output Optic Chamber (LIGO T000126), in
postscript and
pdf (11/20/00).
- Prince Andrew,
the Duke of York
visited the 40 Meter Laboratory
on Thursday, November 2, 2000.
- Talk (11/1/00) on 40m upgrade optics specifications, in
pdf.
- New draft of 40m upgrade optics specifications, in
postscript
or pdf.
- Drawings of 40m CDS racks and 40m vacuum control system wiring,
on Ben Abbott's
web page.
- Draft 40 meter sections of the LIGO FY01-on proposal,
for the Executive summary
section and the
Proposed Work section.
- proposed 40m dual recycling upgrade
cavity lengths, modulation frequencies, and control signals,
based on the new LIGO II proposed scheme,
here (update 9/15/00).
- 40 Meter ISC/CDS Layout diagram,
and Sensor/Actuator
allocation Tables documentation
from Rick Karwoski. (update 9/20/00).
- Summer 2000 SURF reports:
-
Brian Kappus, Harvey Mudd, bkappus@orion.ac.hmc.edu :
Wavefront Sensing for the 40m LIGO Prototype,
MS Word document
and T000123-00.pdf.
- Lisa Goggin, Cork, Ireland, lisagoggin@hotmail.com :
Study of the Optical Parameters of the 40m LIGO Prototype,
MS Word document
and T000122-00.pdf.
- Ivica Stevanovic, Belgrade, eeveetza@yahoo.com :
Understanding the LIGO Optics Suspension Controller Electronics Design,
MS Word document
and T000097-00.pdf.
- Jitesh Chauhan, Leicester, jitesh.c@virgin.net :
The Global Diagnostic System on the LIGO 40m Prototype at Caltech,
MS Word document
- Ted Jou, Caltech, tjou@ligo :
Determining Lengths and Optical Parameters for Dual Recycling at the 40m LIGO Prototype,
MS Word document
and T000121-00.pdf.
- Garilynn Billingsley's
40m core optics specs page,
and
Core Optics polishing certification
- Discussion of core optics dimensions,
and a lively email dialog on the subject.
- 40m action item meeting, 8/23/00 at Caltech:
40m_082300.pdf.
- Presentation to the 40m advisory committee, 8/16/00, LSC meeting, Hanford,
G000194-00.pdf.
- Papers placed in a time capsule under the NW corner of the 40m lab on 7/31/00,
G000179-00.pdf.
- A set of 56 slides on LIGO physics, made into seven 8-slide posters
for display at the 40m lab,
G000183-00.pdf.
- Transparencies from 40 meter project meeting, 5/16/00, in
pdf and postscript
- Preliminary report of Measurement of Seismic Motion at 40m
and transfer function of seismic stacks, in
pdf and postscript
-
Equipment at the 40m laboratory as of 1/2000,
some of which can be available to members of LIGO and/or LSC;
email requests to Barish and Sanders.
- Minutes
of the Second meeting of the
40 Meter Interferometer Technical Advisory Committee (LSC/LLO, 3/17/00,
from Ken Strain).
- Transparencies for presentation of optical/RSE design
for 40m upgrade, at LSC meeting, LLO, 3/17/00;
pdf and
postscript.
- Proposal for organization of the computing resources at the 40m,
in postscript
and pdf.
- Minutes
of the First meeting of the 40 Meter Interferometer Technical Advisory Committee (2/17/00).
- Status report on 40m upgrade project (1/12/00).
- Design of cavity lengths for RSE at 40m, 1/12/00, in
pdf and postscript
- Proposal for rebuild of 40m stacks ,and bakeout; (1/12/00), in
pdf and postscript
- Photo of 3mm scratch on SE mass (jpg, 1/10/00)
- Proposal for upgrade of 40m vacuum system (pdf, 12/29/99)
along with Description of the system (pdf, 9/99).
- Photos of 40m IFO
(html -> jpg, 11/99).
- Status report on 40m upgrade project (12/3/99).
- Transparencies from 10/6/99 presentation of an optical parameter design,
in pdf and postscript.
- Task-list for 40 m upgrade (7/21/99).
- Task-list for 40 m bake-out and seismic
stack rebuild, through 3/2000 (9/7/99).
- 40 m upgrade optical parameters (9/99).
- List of DAQ channels for a 40 m upgrade (pre RSE) (7/99).
- AJW Transparencies from 5/20/99 LIGO PAC presentation.
- AJW Transparencies from 5/4/99 LIGO science talk.
- Working document on upgrade plans (old).
- Sensitivity for advanced configurations.
- 40m Power Recycled configuration..
- 40m Recycling Optical Layout
- LSC White Paper on detector R\&D.
- Proposal for Table-top resonant sideband extraction IFO
LIGO design Reports
- LIGO PSL Conceptual Design Report T970087-04.pdf
- LIGO Large Optics Suspension Final design T970158-06.pdf
- LIGO Core Optics Components Final Design E980061-00.pdf
- LIGO ASC CDS Conceptual Design Report T970062-00.pdf
- LIGO ASC Preliminary Design Report T970060-00.pdf
- LIGO LSC CDS Conceptual Design Report T970139-00.pdf
- LIGO LSC Preliminary Design Report T970122-00.pdf
- LIGO LSC Final Design Report T980068-00.pdf
- LIGO CDS Final Design Report T970171-00.pdf
- LIGO DAQS Final Design Report T980026-00.pdf
- LIGO PSL CDS Conceptual Design Report T970114-00.pdf
- LIGO Optics Electronics Final Design Report T980043-00.pdf
- LIGO PEM CDS Preliminary Design Report T970165-00.pdf
- LIGO Global Diagnostics System Preliminary Design Report T970172-A.pdf
- LIGO Vacuum System Final Design Report T970001-00.pdf
40m Documents
-
Block diagrams of IO-WFS and Core-LSC hardware & software, from Jay.
-
Procedures for recovering from power outage at 40m
- Garilynn Billingsley's
40m core optics specs page.
-
40m DAQS racks.
-
40 M Upgrade Vacuum Controls Rack Assembly (Rev. 01),
40 M Upgrade Vacuum Controls Wiring (Rev. 01)
and
NEWER 40m vacuum controls wiring.
-
40m control room layout.
- Any/all requests for cleaning and/or bake jobs
should be accompanied by paperwork, based on
E960022-A, pages 20-21.
Mechanical:
- Table legs for 40m optical tables, type 1, D010106-A (L.Jones)
- Table legs for 40m optical tables, type 2, D010107-A (L.Jones)
- Table legs for 40m optical tables, type 3, D010108-A (L.Jones)
- Pressure Balanced Expansion Joint, D010088-A for input mode cleaner vacuum pipe (L.Jones)
- Tube supports, D010057-A for input mode cleaner vacuum pipe (L.Jones)
- Tube support use for input mode cleaner vacuum pipe (L.Jones)
PSL:
-
Most recent PSL layout (post Conor, 9/03).
-
40m PSL Test and Commissioning Report (T010145-00).
- PSL slides (overview)
- PSL FRC parameters
- PSL PMC parameters
- 40m PSL table layout D010092 (Mike Smith, Peter King)
- 40m PSL Rack
- 40m PSL Enclosure Wiring diagrams
- PSL Wiring diagrams
- H2K PSL table layout, D000337
- PSL DAQ channels
- PSL Controls Operator's Manual
- PSL Controls Block Diagram, D000214
- PSL DAQ Intfc Card, D990155-B
- PSL FSS servo, D980536-B
- PSL PMC servo, D980352-B
- PSL FSS servo, D980398
- PSL ISS servo, D980399-B
- PSL PSL Frequency Reference Card, D980353
- PSL 80 MHz VCO, D980401
- PSL Temperature box, D980400
- MINCO Controller manual
- LIGO PSL CDS Conceptual Design Report T970114-00.pdf
- LIGO PSL Conceptual Design Report T970087-04.pdf
- LIGO PSL FINAL Design Report T990025-00.pdf
- LIGO H2K IFO PSL Test Report T000031-00.pdf
- The LHO 2k IFO PSL BURT Setup T990047-00.pdf
- NPRO Schematics from Lightwave
- 126 MOPA Schematics from Lightwave
Suspension controllers:
-
40m digital suspensions wiring (Ben Abbott).
-
40m digital suspensions endstation wiring (Ben Abbott).
-
40m rack placement (Ben Abbott).
-
Ben Abbott's documents
- T000073
Digital LOS and SOS Control Systems for LIGO, J. Heefner, R. Bork
- T990090
Suspension Controller Software and Cabling Test Plan, Jay Heefner
- T980043
Large and Small Optics Suspension Electronics Final Design (Analog),
J. Heefner
- T980082
Suspension Test Stand Operator?s Manual, J. Heefner
- T970113
Large and Small Optics Suspension Electronics Preliminary Design (analog),
J. Heefner
- Optics test stand
drawing and
rack;
analog SOS controller and
satellite module.
- Jay's drawings
and Jay's documents
IOO (input mode cleaner, etc):
-
LIGO IOO / Mode Cleaner Installation and test plan
-
LIGO IOO test plan
-
40 M Mode Cleaner: MCCM as-built, and revised MC params.
- 40 M Mode Cleaner optical properties in
pdf or
jpg, AJW.
-
40 M Mode Cleaner ASC and LSC Wiring D020006-02, Jay.
-
40 M IOO Controls Rack Assembly (1Y2) D020007-03, Jay.
-
40 M RF Distribution System D020029-00 , Jay.
- T980040-00
Input Optics CDS Preliminary Design, J. Heefner, D. Ouimette
- D980211-B,
layout for the WA 2K IOO suspension rack (W2X4).
- D980232-A,
layout for the WA 2K IOO controls rack (W2X7).
Mechanical suspensions:
-
SMALL OPTICS SUSPENSION ASSEMBLY SPECIFICATION,
E970037-C, Romie.
-
SMALL OPTICS SUSPENSION ASSEMBLY drawing,
D960001-B, Romie.
-
Sensor/Actuator Assembly Specification,
E000388-B, Romie/Armandula.
-
Sensor/Actuator Assembly drawing,
D960011-A, Romie/Armandula.
LHO4K LSC/ASC (jay Heefner):
- LHO4K LSC wiring, D010061
- LHO4K LSC cameras & shutters, D010062
- LHO4K LSC rack, D010063
- LHO4K ASC rack, D010050
- LHO4K ASC wiring, D010049
- LHO4K endstation SUS/LSC/ASC wiring, D010037
Old:
- 40m Recycling Optical Layout D961304-06.pdf
- 40m Vertex Mass replacement M960114-00.pdf
- 40m Side chamber installation M960115-00.pdf
- 40m Modulation Frequency T960013-02.pdf
- 40m Optical Parameters T960015-03.pdf
- 40m Suspension Controller Design T960072-00.pdf
- 40m Electronics Design Requirements T960073-00.pdf
- 40m Suspension Prototype T960162-02.pdf
- 40m Modulation Frequency Change T970099-00.pdf
- 40m DAQS Reference T970126-02.pdf
- 40m E2E Model T970186-01.pdf
- Document search
- Document Index
People and places:
- Alan Weinstein, ajw@ligo.caltech.edu, x6682
- Steve Vass, steve@ligo.caltech.edu, x4219
- Rob Ward, rward@ligo.caltech.edu, x2351
- Osamu Miyakawa, miyakawa_o@ligo.caltech.edu, x3167
- Ben Abbott, abbott_b@ligo.caltech.edu, x2445
- Bob Taylor, Taylor_R@ligo.caltech.edu, x3168
- Dan Busby, busby@ligo.caltech.edu, x2351
- Monica Varvella, varvella@lal.in2p3.fr, x2351
- Keisuke Goda ("Go"), goda@ligo.mit.edu, x4627, 626-200-7860 (cell).
- Kentaro Somiya, ksomiya@ligo.caltech.edu, 626-354-6302 (cell).
- Seiji Kawamura, seiji@ligo.caltech.edu, x????
- Fumiko Kawazoe, kawazoe_f@ligo.caltech.edu, x????
- Shihori Sakata, sakata_s@ligo.caltech.edu, x????
- Sascha Schediwy, jay@ligo.caltech.edu, x3181
- Jay Heefner, jay@ligo.caltech.edu, x3181
- Mike Smith, smith_m@ligo.caltech.edu, x2062
- Larry Jones, ljones@ligo.caltech.edu, x2970
- Dennis Ugolini, Dennis.Ugolini@Trinity.edu, (210)999-7890
- Janeen Hazel Romie, janeen@ligo.caltech.edu, x8445
- GariLynn Billingsley, gari@ligo.caltech.edu, x2184
- Tom Frey, tfrey@ligo.caltech.edu, x3308
- Ken Ganezer, CSUDH group, kganezer@csudh.edu
- Nergis Mavalvala, nergis@ligo.caltech.edu, x3130
- Barry Barish, barish@ligo.caltech.edu, x3853
- Gary Sanders, sanders@ligo.caltech.edu, x2997
- Dennis Coyne, coyne@ligo.caltech.edu, x2034
- Ken Strain, kstrain@physics.gla.ac.uk
- Bill Kells, kells@ligo.caltech.edu, x2064
- Stan Whitcomb, stan@ligo.caltech.edu, x2131
- Dick Gustafson, gustafso@ligo.caltech.edu, x3303
- 40m lab control room: x3980
- 40m lab: x4219, x3167, x2351
To LIGO home page at Caltech,
and to LIGO home page at MIT.
URL: http://www.ligo.caltech.edu/~ajw/40m_upgrade.html
This page last modified September 2000.
Questions?
Contact Alan Weinstein.
