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Effects of mirror aberrations on Laguerre-Gaussian beams in interferometric gravitational-wave detectors

Hong, T; Miller, John; Yamamoto, H; Chen, Yanbei; Adhikari, Rana


A fundamental limit to the sensitivity of optical interferometers is imposed by Brownian thermal fluctuations of the mirrors' surfaces. This thermal noise can be reduced by using larger beams which "average out" the random fluctuations of the surfaces. It has been proposed previously that wider, higher-order Laguerre-Gaussian modes can be used to exploit this effect. In this paper, we show that susceptibility to spatial imperfections of the mirrors' surfaces limits the effectiveness of this...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Physical Review D-Particles, Fields, Gravitation and Cosmology
DOI: 10.1103/PhysRevD.84.102001


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