Development of a displacement- and frequency-noise-free interferometer in a 3D configuration for gravitational wave detection

Kokeyama, Keiko ORCID: https://orcid.org/0000-0002-2896-1992, Sato, Shuichi, Nishizawa, Atsushi, Kawamura, Seiji, Chen, Yanbei and Sugamoto, Akio 2009. Development of a displacement- and frequency-noise-free interferometer in a 3D configuration for gravitational wave detection. Physical Review Letters 103 , 171101. 10.1103/PhysRevLett.103.171101

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Abstract

The displacement- and frequency-noise-free interferometer (DFI) is a multiple laser interferometer array for gravitational-wave detection free from both the displacement noise of optics and laser frequency noise. So far, partial experimental demonstrations of the DFI have been done in 2D table top experiments. In this Letter, we report the complete demonstration of a 3D DFI. The DFI consists of four Mach-Zehnder interferometers with four mirrors and two beam splitters The attained maximum suppression of the displacement noise of both mirrors and beam splitters was 40 dB at about 50 MHz. The nonvanishing DFI response to a gravitational wave was successfully confirmed using multiple electro-optic modulators and computing methods.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	American Physical Society
ISSN:	0031-9007
Date of First Compliant Deposit:	20 April 2021
Date of Acceptance:	10 October 2010
Last Modified:	04 May 2023 23:49
URI:	https://orca.cardiff.ac.uk/id/eprint/139660

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