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  • LIGO Inauguration -- Program
    Maxine and Ronald Linde Professor of Physics California Institute of Technology Introduction Dr Gary H Sanders Deputy Director LIGO Laboratory Project Leader LIGO Project California Institute of Technology The Project Dr Rainer Weiss Professor of Physics Massachusetts Institute of Technology The Technology Dr Kip S Thorne Richard P Feynman Professor of Theoretical Physics California Institute of Technology The Science Dr Robert A Eisenstein Assistant Director Mathematical and Physical Sciences National

    Original URL path: http://www.ligo.caltech.edu/LIGO_web/inauguration/agenda.html (2015-06-02)
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  • LIGO Inauguration -- Lodging
    voyagertravl earthlink net to make reservations When sending an email please indicate the hotel you prefer If you wish to make your own reservations reference LIGO to get the guaranteed rate Hotel Rate Per Night Number of Rooms Amerisuites 6080 Bluebonnet Blvd Baton Rouge LA 225 769 4400 79 00 40 Hampton Inn Constitution Ave Baton Rouge LA 225 926 9990 74 00 Nov 11 85 00 Nov 12 15

    Original URL path: http://www.ligo.caltech.edu/LIGO_web/inauguration/lodging.html (2015-06-02)
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  • LIGO Inauguration -- Travel
    you must make reservations with Vee Cruz at Voyager Travel Service in Pasadena California USA at 1 800 535 9833 8 30 am 5 30 pm Pacific time or voyagertravl earthlink net When sending an email kindly specify your preferred travel dates and times any air line preferences and any rental car needs DRIVING FROM THE AIRPORT From Baton Rouge At Baton Rouge airport get on I 110 going south to Baton Rouge At the Mississippi River bridge I 110 turns into I 10 Follow I 10 to the 10 12 split Take I 12 towards Hammond Get off the interstate at Livingston Frost Exit 22 Go left north on Highway 63 to the T at Highway 190 Turn left west on Highway 190 1 4 mile Turn right north on Highway 63 by the hardware store 3 miles Look for the LIGO sign and road on the left Turn and follow the road to the observatory 1 1 2 miles From New Orleans At New Orleans airport get on I 10 going west Exit I 55 North to Hammond Exit I 12 West to Baton Rouge Get off the interstate at Livingston Frost Exit 22 Go right north on

    Original URL path: http://www.ligo.caltech.edu/LIGO_web/inauguration/travel.html (2015-06-02)
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  • LIGO Inauguration -- Area Map
    Questions Contact Mark Coles Elizabeth Wood Last Updated Sept 22 1999 The red star marks Livingston Map courtesy of Mapquest

    Original URL path: http://www.ligo.caltech.edu/LIGO_web/inauguration/areamap.html (2015-06-02)
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  • LIGO Inauguration -- Local Map
    Questions Contact Mark Coles Elizabeth Wood Last Updated Sept 22 1999

    Original URL path: http://www.ligo.caltech.edu/LIGO_web/inauguration/localmap.html (2015-06-02)
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  • LIGO Inauguration -- About LIGO
    before they collide LIGO is a national research facility designed by a team of scientists and engineers from the California Institute of Technology and the Massachusetts Institute of Technology Two LIGO Observatory facilities have been constructed near Livingston Louisiana and on the Hanford Reservation near Richland Washington Each facility has a giant L shaped antenna 8 kilometers from end to end Within these antennae extremely precise lasers and optics operating

    Original URL path: http://www.ligo.caltech.edu/LIGO_web/inauguration/about.html (2015-06-02)
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  • LIGO Vacuum Equipment
    LIGO Vacuum Equipment Images BSC Chamber GIF 339K End Station GIF 450K Mid Station GIF 124K Corner Station GIF 125K 1994 95 News Last updated October 5 1995

    Original URL path: http://www.ligo.caltech.edu/LIGO_web/9495news/psi_pics.html (2015-06-02)
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  • LIGO Vocabulary
    we usually think of displacement as an object changing its position in fixed space the premise of LIGO is to measure tiny expansions and contractions in space spacetime itself through displacements of the mirrors To say that LIGO s displacement sensitivity goal in the gravitational wave band is 10 18 m is to say that the instruments should detect a mirror movement of 10 18 m that is recognizable above the noise floor Frequency spectrum A plot of an amplitude or power as a function of frequency Such spectra might display amplitude in vertical units of strain or displacement Gravitational wave signal A gravitational wave will change the spacetime composition of one interferometer arm relative to the other This will result in a change in the instrument s interference pattern which will register as a voltage fluctuation at the photodetector Lock The condition in which light continues to resonate at high power in the cavities of the interferometer Disruptions to the optics can misdirect the beam destroying the resonant condition and rendering the instrument insensitive loss of lock Lock is threatened by mirror movements of as small as one atomic diameter against a cavity length of up to 4 km Noise floor LIGO defines noise as any factor other than a gravitational wave that sends a fluctuating signal to the interferometer s photodetector The noise floor of the instrument is the point at which a gravitational wave is undetectable because it doesn t rise above the other fluctuating contributions to the photodetector signal This level varies with frequency so the noise floor is usually given as a frequency spectrum Radiation pressure When an electromagnetic wave light wave strikes a charged particle the light s electric field accelerates the charge in a direction that is transverse to the light s propagation

    Original URL path: http://www.ligo.caltech.edu/LIGO_web/0409news/0409han_vocab.htm (2015-06-02)
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