A sensor system configured to amplify cantilever deflection, having: a reflective membrane connected to a cantilever, wherein the reflective membrane rotates more than the cantilever when the cantilever deflects. A sensor system, including: a cantilever having a first end and a second end, the first end being held at a first fixed location and the second end being free to move; and a reflective membrane having a first end and a second end, the first end being held at a second fixed location and the second end being attached to the cantilever.
 This invention was made with Government support under Grant (Contract) No. R21 CA86132-01 awarded by the National Institutes of Health/National Cancer Institute and Contract No. DE-FG03-98ER14870 awarded by the United States Department of Energy. The Government has certain rights in this invention.