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          Institute: MPI für Gravitationsphysik     Collection: Laser Interferometry & Gravitational Wave Astronomy     Display Documents



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ID: 374008.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Demonstration of displacement-noise-free interferometry using bi-directional Mach–Zehnder interferometers
Authors:Sato, S.; Kokeyama, Keiko; Kawamura, Seiji; Ward, R. L.; Nishizawa, A.; Chen, Yanbei; Pai, Archana; Somiya, Kentaro
Language:English
Date of Publication (YYYY-MM-DD):2008-06
Title of Journal:Classical and Quantum Gravity
Volume (in Journal):25
Issue / Number:11
Sequence Number:114031
Name of Conference/Meeting:18th International Conference on General Relativity & Gravitation
Place of Conference/Meeting:Sydney, Australia
(Start) Date of Conference/Meeting
 (YYYY-MM-DD):
2007-07-08
End Date of Conference/Meeting 
 (YYYY-MM-DD):
2007-07-13
Review Status:not specified
Audience:Not Specified
Abstract / Description:We have demonstrated displacement- and frequency-noise-free laser interferometry (DFI) by partially implementing a recently proposed optical configuration using bi-directional Mach–Zehnder interferometers (MZIs). This partial implementation, the minimum necessary to be called DFI, has confirmed the essential feature of DFI: the combination of two MZI signals can be carried out in a way that cancels the displacement noise of the mirrors and beam splitters while maintaining gravitational-wave signals. The attained maximum displacement noise suppression was 45 dB.
External Publication Status:published
Document Type:Conference-Paper
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
MPI für Gravitationsphysik/Teilinstitut Hannover
Identifiers:ISSN:1361-6382
DOI:10.1088/0264-9381/25/11/114031
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