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Home > News > Manipulating light with a tiny needle

October 3rd, 2006

Manipulating light with a tiny needle

Using the tip of an Atomic Force Microscope (AFM), it is possible to map the wave pattern of light, trapped in a so called optical resonator, with unprecedented precision. Apart from that, the AFM is also capable of playing with the light, to optimize the performance of the resonator. If the optical crystal doesnít work at the correct colour of light, for example, this mechanical correction works out well. It is even possible to build a mechanical-optical switch in this way. Wico Hopman, a PhD-researcher within the Integrated Optical MicroSystems group of the MESA+ Institute for Nanotechnology, published his results in the online journal Optics Express.

University of Twente

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