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Title: First measurements of high frequency cross-spectra from a pair of large Michelson interferometers

Abstract

Here, measurements are reported of the cross-correlation of spectra of differential position signals from the Fermilab Holometer, a pair of colocated 39 m long, high power Michelson interferometers with flat broadband frequency response in the MHz range. The instrument obtains sensitivity to high frequency correlated signals far exceeding any previous measurement in a broad frequency band extending beyond the 3.8 MHz inverse light-crossing time of the apparatus. The dominant but uncorrelated shot noise is averaged down over 2 × 108 independent spectral measurements with 381 Hz frequency resolution to obtain 2.1 × 10-20m/ √Hz sensitivity to stationary signals. For signal bandwidths Δf > 11 kHz, the sensitivity to strain h or shear power spectral density of classical or exotic origin surpasses a milestone PSDδh < tp where tp = 5.39 × 10-44/ Hz is the Planck time.

Authors:
 [1];  [2];  [3];  [4];  [5];  [6];  [6];  [7];  [7];  [1];  [1];  [8];  [9]
  1. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  2. Univ. of Michigan, Ann Arbor, MI (United States)
  3. Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Univ. of Chicago, Chicago, IL (United States)
  4. Univ. of Chicago, Chicago, IL (United States); Vanderbilt Univ., Nashville, TN (United States)
  5. Univ. of Chicago, Chicago, IL (United States); Korea Advanced Institute of Science and Technology (KAIST), Daejeon (Republic of Korea)
  6. Univ. of Chicago, Chicago, IL (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  7. Univ. of Chicago, Chicago, IL (United States)
  8. Space X, Hawthorne, CA (United States)
  9. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Org.:
Holometer Collaboration
OSTI Identifier:
1330368
Alternate Identifier(s):
OSTI ID: 1323572
Report Number(s):
FERMILAB-PUB-16-217-AE
Journal ID: ISSN 0031-9007; PRLTAO; 1486143
Grant/Contract Number:  
AC02-07CH11359
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 117; Journal Issue: 11; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY

Citation Formats

Chou, Aaron S., Gustafson, Richard, Hogan, Craig, Kamai, Brittany, Kwon, Ohkyung, Lanza, Robert, McCuller, Lee, Meyer, Stephan S., Richardson, Jonathan, Stoughton, Chris, Tomlin, Raymond, Waldman, Samuel, and Weiss, Rainer. First measurements of high frequency cross-spectra from a pair of large Michelson interferometers. United States: N. p., 2016. Web. doi:10.1103/PhysRevLett.117.111102.
Chou, Aaron S., Gustafson, Richard, Hogan, Craig, Kamai, Brittany, Kwon, Ohkyung, Lanza, Robert, McCuller, Lee, Meyer, Stephan S., Richardson, Jonathan, Stoughton, Chris, Tomlin, Raymond, Waldman, Samuel, & Weiss, Rainer. First measurements of high frequency cross-spectra from a pair of large Michelson interferometers. United States. doi:10.1103/PhysRevLett.117.111102.
Chou, Aaron S., Gustafson, Richard, Hogan, Craig, Kamai, Brittany, Kwon, Ohkyung, Lanza, Robert, McCuller, Lee, Meyer, Stephan S., Richardson, Jonathan, Stoughton, Chris, Tomlin, Raymond, Waldman, Samuel, and Weiss, Rainer. Fri . "First measurements of high frequency cross-spectra from a pair of large Michelson interferometers". United States. doi:10.1103/PhysRevLett.117.111102. https://www.osti.gov/servlets/purl/1330368.
@article{osti_1330368,
title = {First measurements of high frequency cross-spectra from a pair of large Michelson interferometers},
author = {Chou, Aaron S. and Gustafson, Richard and Hogan, Craig and Kamai, Brittany and Kwon, Ohkyung and Lanza, Robert and McCuller, Lee and Meyer, Stephan S. and Richardson, Jonathan and Stoughton, Chris and Tomlin, Raymond and Waldman, Samuel and Weiss, Rainer},
abstractNote = {Here, measurements are reported of the cross-correlation of spectra of differential position signals from the Fermilab Holometer, a pair of colocated 39 m long, high power Michelson interferometers with flat broadband frequency response in the MHz range. The instrument obtains sensitivity to high frequency correlated signals far exceeding any previous measurement in a broad frequency band extending beyond the 3.8 MHz inverse light-crossing time of the apparatus. The dominant but uncorrelated shot noise is averaged down over 2 × 108 independent spectral measurements with 381 Hz frequency resolution to obtain 2.1 × 10-20m/ √Hz sensitivity to stationary signals. For signal bandwidths Δf > 11 kHz, the sensitivity to strain h or shear power spectral density of classical or exotic origin surpasses a milestone PSDδh < tp where tp = 5.39 × 10-44/ Hz is the Planck time.},
doi = {10.1103/PhysRevLett.117.111102},
journal = {Physical Review Letters},
number = 11,
volume = 117,
place = {United States},
year = {2016},
month = {9}
}

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