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how can i freeze light

Topics: Health

Answer


Marsha Akin

In a 2001 experiment, light pulses were briefly stored when particles of light were taken up by atoms in a gas. While the pulse was traveling through the rubidium gas, the researchers switched off the control beam, creating a holographic imprint of the signal pulse on the rubidium atoms. In the latest study, researchers were able to keep the photons trapped like this for about 10 to 20 microseconds.

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