Laser refrigerator cools to 4 degrees above absolute zero

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Researchers at the Niels Bohr Institute have succeeded in using a new form of laser cooling method to cool a two and a half square millimeter semiconducting gallium arsenide (GaAs) membrane with a thickness of 160 nm from room temperature to four degrees above absolute zero - the temperature of liquid helium... Continue Reading Laser refrigerator cools to 4 degrees above absolute zero

Section: Research Watch

Tags: Experimental, Laser, Quantum, Refrigerator

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