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Journal Article

Scaling law in signal recycled laser-interferometer gravitational-wave detectors

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons127862

Buonanno,  Alessandra
Institut d’Astrophysique de Paris (GReCO, FRE 2435 du CNRS);
Theoretical Astrophysics, California Institute of Technology, Pasadena;
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

gr-qc_0208048.pdf
(Preprint), 552KB

PhysRevD.67.pdf
(Any fulltext), 609KB

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There is no public supplementary material available
Citation

Buonanno, A., & Chen, Y. (2003). Scaling law in signal recycled laser-interferometer gravitational-wave detectors. Physical Review D, 67: 062002. doi:10.1103/PhysRevD.67.062002.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0018-EA4E-C
Abstract
By mapping the signal-recycling (SR) optical configuration to a three-mirror cavity, and then to a single detuned cavity, we express SR optomechanical dynamics, input--output relation and noise spectral density in terms of only three characteristic parameters: the (free) optical resonant frequency and decay time of the entire interferometer, and the laser power circulating in arm cavities. These parameters, and therefore the properties of the interferometer, are invariant under an appropriate scaling of SR-mirror reflectivity, SR detuning, arm-cavity storage time and input power at beamsplitter. Moreover, so far the quantum-mechanical description of laser-interferometer gravitational-wave detectors, including radiation-pressure effects, was only obtained at linear order in the transmissivity of arm-cavity internal mirrors. We relax this assumption and discuss how the noise spectral densities change.