Prospects for doubling the range of Advanced LIGO
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PhysRevD.91.062005.pdf
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Author(s)
Miller, John
Barsotti, Lisa
Vitale, Salvatore
Sigg, Daniel
Fritschel, Peter K
Evans, Matthew J
Date Issued
March 2015
Journal
Physical Review D
Publisher
American Physical Society
Citation
Miller, John, Lisa Barsotti, Salvatore Vitale, Peter Fritschel, Matthew Evans, and Daniel Sigg. “Prospects for Doubling the Range of Advanced LIGO.” Phys. Rev. D 91, no. 6 (March 2015). © 2015 American Physical Society
Version
Final published version
Abstract
In the coming years, the gravitational-wave community will be optimizing detector performance to target a variety of astrophysical sources which make competing demands on detector sensitivity in different frequency bands. In this paper we describe a number of technologies that are being developed as anticipated upgrades to the Advanced LIGO detectors and quantify the potential sensitivity improvement they offer. Specifically, we consider squeezed light injection for the reduction of quantum noise, detector design and materials changes which mitigate thermal noise and mirrors with significantly increased mass. We explore how each of these technologies impacts the detection of the most promising gravitational-wave sources and suggest an effective progression of upgrades which culminates in a twofold improvement in broadband sensitivity.
MIT Department
Massachusetts Institute of Technology. Department of Physics
LIGO (Observatory : Massachusetts Institute of Technology)
MIT Kavli Institute for Astrophysics and Space Research
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.91.062005
