New Laser Method Causes Microscope to be 20 Times More Powerful

August 18, 2014 1:03 PM

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A laser may just make an atomic-force microscope probe 20 times more sensitive. Scientists have found a way to make these microscopes powerful enough to detect forces as small as the weight of an individual virus.

Atomic force microscopes achieve sensitivity measurements of microscopic features by scanning a wire probe over a surface. However, probes are prone to vibration due to their size-about 500 times finer than a human hair.

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