The analysis of table-top quantum measurement with macroscopic masses

The analysis of table-top quantum experiment with mechanical test mass is p resented. The scheme of experiment is based on two principles: the differen ce between the free test mass and the oscillator sensitivity standard quant um limits, and the use of mechanical rigidity produced by an optical pumpin g field in Fabry-Perot resonator to convert the free test mass into the mec hanical oscillator having very low intrinsic noises. The analysis shows tha t proposed scheme allows to overpass the free test mass standard quantum li mit by the factor xi similar or equal to 0.1. (C) 2001 Elsevier Science B.V . All rights reserved.