Experimental demonstration of dual recycling for interferometric gravitational-wave detectors

Strain, K. A.; Meers, B. J.

doi:10.1103/physrevlett.66.1391

Cited by 103 publications

(62 citation statements)

References 4 publications

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“…However, at the end of the inspiral, when the binary separation becomes comparable to the stellar radii (and the frequency is > ∼ 1 kHz), hydrodynamics becomes important and the character of the waveforms must change. Special purpose narrow-band detectors that can sweep up frequency in real time will be used to try to catch the last ∼ 10 cycles of the gravitational waves during the final coalescence (Meers 1988;Strain & Meers 1991). These "dual recycling" techniques are being tested right now on the German-British interferometer GEO 600 (Danzmann 1998).…”

Section: Double Neutron Starsmentioning

confidence: 99%

The Final Fate of Coalescing Compact Binaries: From Black Hole to Planet Formation

Rasio

2001

The Neutron Star—Black Hole Connection

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Abstract. Coalescing compact binaries are thought to be involved in a wide variety of astrophysical phenomena. In particular, they are important sources of gravitational radiation for both ground-based and space-based laser-interferometer detectors, and they may be sources of supernova explosions or gamma-ray bursts. Mergers of two white dwarfs may produce neutron stars with peculiar properties, including perhaps millisecond radio pulsars sometimes accompanied by planets (as observed in PSR 1257+12). According to a widely held belief, the coalescence of two neutron stars should produce a rapidly rotating black hole surrounded by an accretion disk or torus, but this is by no means certain. This review paper focuses on the final hydrodynamic coalescence and merger of double neutron stars and double white dwarfs, and addresses the question of the nature of the final merger products.

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Section: Double Neutron Starsmentioning

confidence: 99%

The Final Fate of Coalescing Compact Binaries: From Black Hole to Planet Formation

Rasio

2001

The Neutron Star—Black Hole Connection

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“…Dual recycling was first demonstrated on a small, benchtop interferometer [11] with rigidly mounted mirrors. However, full-scale detectors will use optical components that are suspended as pendulums to isolate them from seismic vibration.…”

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Experimental Demonstration of a Suspended Dual Recycling Interferometer for Gravitational Wave Detection

et al. 1998

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The advanced scheme of "signal recycling" is to be used in the British-German GEO 600 project, in addition to "power recycling" (which has become standard for all laser-interferometer gravitational wave detector projects). This combination, "dual recycling," has been demonstrated for the first time on a fully suspended interferometer, the Garching prototype with 30 m arm length. Signal enhancement and power buildup were as predicted; operation was reliable, and a significant contrast enhancement was observed. A control system that can be extended to full scale gravitational wave detectors was employed. [S0031-9007(98)

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“…We present here two front ally modulated length sensing and control schemes, one in which the signal extraction/recycling mirror is a simple mirror, and one in which it is a Fabry-Perot cavity. Issues regarding the controllability, RF sideband transmission, shot noise, and noise couplings are discussed.Advanced detectors for the LIGO interferometer are planned which use a configuration in which the position of a mirror at the output is used to tune the frequency response, such as resonant sideband extraction (RSE) [1] or dual recycling [2]. RSE can also allow for the storage time of carrier light in the Fabry-Perot arms to be increased, hence the power recycling in the interferometer can be made smaller, reducing thermal lensing in transmissive optics such as the beamsplitter or input test masses without reducing the bandwidth of the detector to gravitational waves.…”

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confidence: 99%

Signal extraction and length sensing for LIGO II RSE

Mason¹,

Willems²

2000

AIP Conference Proceedings

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Abstract. In anticipation of an upgrade of the LIGO detector to an advanced configuration in 2004, a tabletop prototype of resonant sideband extraction is being designed and constructed at Caltech. We present here two front ally modulated length sensing and control schemes, one in which the signal extraction/recycling mirror is a simple mirror, and one in which it is a Fabry-Perot cavity. Issues regarding the controllability, RF sideband transmission, shot noise, and noise couplings are discussed.Advanced detectors for the LIGO interferometer are planned which use a configuration in which the position of a mirror at the output is used to tune the frequency response, such as resonant sideband extraction (RSE) [1] or dual recycling [2]. RSE can also allow for the storage time of carrier light in the Fabry-Perot arms to be increased, hence the power recycling in the interferometer can be made smaller, reducing thermal lensing in transmissive optics such as the beamsplitter or input test masses without reducing the bandwidth of the detector to gravitational waves.The sensitivity of RSE is well understood [3], but issues of control, lock acquisition and signal extraction are still open, and are the subject of our research. We are considering schemes that, like LIGO I, employ frontal modulation, and which use a set of fixed sidebands on the optical carrier so as to guarantee transmission of all sidebands through an input mode cleaner before entering the interferometer, regardless of the tuning of the output mirror.In LIGO, the signal extraction and control are sensitive to the sideband transmission through the interferometer. The RF sideband transmission to the dark port is well approximated by a three-mirror coupled cavity consisting of the input power recycling mirror, the compound mirror formed by the Michelson interferometer (i.e., the beamsplitter and arm mirrors), and the output signal extraction mirror. In the broadband mode of RSE, where the signal extraction cavity (SEC) is resonant for the optical carrier, both RF sidebands are resonant in this threemirror cavity and are efficiently transmitted to the output. However, in detuned RSE, when the signal extraction cavity is not resonant for the optical carrier, the CP523, Gravitational Waves: Third Edoardo Amaldi Conference, edited by S. Meshkov

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Experimental demonstration of dual recycling for interferometric gravitational-wave detectors

Cited by 103 publications

References 4 publications

The Final Fate of Coalescing Compact Binaries: From Black Hole to Planet Formation

The Final Fate of Coalescing Compact Binaries: From Black Hole to Planet Formation

Experimental Demonstration of a Suspended Dual Recycling Interferometer for Gravitational Wave Detection

Signal extraction and length sensing for LIGO II RSE

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