Monday, 22 June 2020

New design for 'optical ruler' could revolutionize clocks, telescopes, telecommunications

Just as a meter stick with hundreds of tick marks can be used to measure distances with great precision, a device known as a laser frequency comb, with its hundreds of evenly spaced, sharply defined frequencies, can be used to measure the colors of light waves with great precision.

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Tiny, wireless antennas use light to monitor cellular communication

Researchers developed a biosensing technique that eliminates the need for wires. Instead, tiny, wireless antennas use light to detect minute...