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ID: 265181.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Laser development for LISA
Authors:Tröbs, Michael; Weßels, P.; Fallnich, Carsten; Bode, M.; Freitag, Ingo; Skorupka, Sascha; Heinzel, Gerhard; Danzmann, Karsten
Date of Publication (YYYY-MM-DD):2006
Title of Journal:Classical and Quantum Gravity
Volume (in Journal):23
Issue / Number:8
Start Page:S151
End Page:S158
Name of Conference/Meeting:6th Edoardo Amaldi Conference On Gravitational Waves
Place of Conference/Meeting:Okinawa, Japan
(Start) Date of Conference/Meeting
 (YYYY-MM-DD):
2005-06-20
End Date of Conference/Meeting 
 (YYYY-MM-DD):
2005-06-24
Review Status:not specified
Audience:Not Specified
Abstract / Description:The two most promising configurations for the LISA laser are a stand-alone diode-pumped nonplanar ring oscillator (NPRO) or a fibre amplifier seeded by a low-power NPRO. The stand-alone laser was stabilized in frequency to a ULE cavity and in power to an electronic reference. For the first time the LISA requirement of relative power noise below 2 × 10-4/Hz1/2 was fulfilled in the whole frequency range from 0.1 mHz to 1 Hz. The LISA goal of frequency noise below 30 Hz/Hz1/2 was achieved for frequencies above 3 mHz. As a first step in the characterization of an oscillator-amplifier system, the excess frequency noise of an ytterbium-doped fibre amplifier was measured. For frequencies between 0.1 mHz and 1 Hz the excess noise was measured to be below 0.1 Hz/Hz1/2, which is significantly below the free-running frequency noise of NPROs.
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:0264-9381
DOI:10.1088/0264-9381/23/8/S20
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