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H1 Squeezer Experiment

H1 Squeezer Experiment. L-V Meeting, LAL Orsay, June 11, 2008 ANU, AEI, MIT, CIT and LHO Ping Koy Lam, Nergis Mavalvala, David McClelland, Roman Schnabel, Daniel Sigg, Henning Vahlbruch and Stan Whitcomb (so far). Motivation. High power operation in future detectors

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H1 Squeezer Experiment

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  1. H1 Squeezer Experiment L-V Meeting, LAL Orsay,June 11, 2008 ANU, AEI, MIT, CIT and LHOPing Koy Lam, Nergis Mavalvala, David McClelland, Roman Schnabel, Daniel Sigg, Henning Vahlbruch and Stan Whitcomb (so far)

  2. Motivation • High power operation in future detectors • Biggest remaining technical risk (after DC readout) • Squeezing allows for lower laser power • Squeezer technology now ready • 7 dB of squeezing down to 10 Hz • Has been demonstrated on a bench and on interferometers (40M) Missing: Low frequency noise demonstration • Planned Experiments • GEO600: prototype for long baseline interferometers • Hanford H1: low noise demonstration L-V Meeting

  3. Sketches (very preliminary) H1 GEO600 Same principles and technology! Complementary goals L-V Meeting

  4. eLIGO S6 aLIGO: install/ commissioning LLO LHO ~6 months H1 Squeezer Time Line • Full fletched proposal to LIGO lab: August 2008 • Approval (hopefully): September 2008 • Construction • Build breadboard by fall 2009 • Testing and characterization by mid 2010 → send to LHO • Experiment on H1: Feb 2011 to Sep 2011 L-V Meeting

  5. Progress • Wiki: http://baikal.mit.edu/sqwiki/H1Squeezer • Email list: http://mm.ligo.caltech.edu/mailman/listinfo/squeezer • Progress • Most technical questions addressed • OPA configuration, SHG topology, auxiliary lasers, fiber stabilization, in-vacuum Faraday modifications, physical setup at H1, concepts for electronics, scattering, etc. • Preliminary layout available • Working on a budget • Schedule/workload: next Squeezing is an exciting new technology! L-V Meeting

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