2002/09/04 by Munawar Karim, Karim, Munawar, Kris H. Green +1
Earth and Planetary Sciences · Engineering · #Advanced MEMS and NEMS Technologies #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Geophysics and Sensor Technology #Seismic Waves and Analysis
paper · pdf · doi:10.48550/arxiv.gr-qc/0209015
openalex publication_date 2002/09/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01
An incoming gravity wave being a stress wave is a surface with intrinsic curvature. When a light beam is parallel transported on this non-Euclidian surface it acquires an excess phase which accumulates with each curcuit. We calculate the separate contributions to excess phase from the wave geometry as well as the dynamic response of mirrors in a Michelson interferometer. Using these results and a combination of analogue and digital signal processing techniques we show how a compact interferometer can be made sensitive to gravity waves of amplitude density 10-23/√(Hz) within a frequency range 10-4Hz to 104Hz. As an example we describe a 10cm Michelson interferometer designed to measure gravity waves from sources as far as the Virgo cluster.