The smallest radio in the world created by a diamond defects

Experts at the Harvard school of engineering and applied Sciences John A. Paulson created the smallest radio in the world. They gathered it using pink diamonds defects, which do not exceed the dimensions of the two atoms . Radio consists of five main components: the power supply, receiver, transmitter, tuner and speaker receiver – this is the part that takes the next electromagnetic signals, and then they pass through a converter that turns them into the current.

Harvard receiver created due to imperfections in the diamond crystals. The development is called “azotozameschёnnaya vacancy in diamond.” To get it, it is necessary to distinguish two adjacent carbon atoms of the diamond structure and replace them with one nitrogen atom. As a result of this defect can be used to convert information into light that is suitable for quantum computing and photonics.

In a tiny radio electrons azotozameschёnnoy job driven by a green laser beam, which makes them sensitive to the electromagnetic field, including waves used in FM-frequencies. When receiving radio waves are converted, and the audio are allocated as a red light, which can be reproduced as sound. Magnet around the diamond is used to tune in to different stations.

When testing a diamond radio proved its viability – it can play music at a temperature up to 350 ° C.

This radio can play in space, in a hostile environment, and even in the human body – as the diamonds are biocompatible,” – says a leading project engineer marco lonkar.

Thus, Lonkar hopes that this tiny device can find a variety of applications in the future.

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