An off-axis Hartmann sensor for the measurement of absorption-induced wavefront distortion in advanced gravitational wave interferometers
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- Brooks, A., Veitch, P., Munch, J. et al. Gen Relativ Gravit (2005) 37: 1575. doi:10.1007/s10714-005-0137-5
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We describe a novel off-axis Hartmann wavefront sensor, developed for the measurement of wavefront distortions induced in the mirrors (test masses) of advanced gravitational wave interferometers by residual absorption of the circulating laser power.