Optical tweezers
Optical tweezers (originally called single-beam gradient force trap) are scientific instruments that use a highly focused laser beam to hold and move microscopic and sub-microscopic objects like atoms, nanoparticles and droplets, in a manner similar to tweezers. If the object is held in air or vacuum without additional support, it can be called optical levitation.
Optical tweezers - Wikipedia Jump to content From Wikipedia, the free encyclopedia Scientific instruments A photograph of a nanoparticle (diameter 103 nm) trapped by an optical tweezer. The nanoparticle can be seen as the tiny bright spot in the middle. For additional control two copper electrodes are placed above and below the particle. Optical tweezers (originally called single-beam gradient force trap ) are scientific instruments that use a highly focused laser beam to hold and move microscopic and sub-microscopic objects like atoms , nanoparticles and droplets, in a manner similar to tweez
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