New milestone in laser cooling: Research team cools silica glass by a record 67 Kelvin

For the first time, a team of researchers from the Fraunhofer Institute for Applied Optics and Precision Engineering IOF and the University of New Mexico have succeeded in cooling silica glass by 67 Kelvin through optical laser cooling. The researchers from Jena and Albuquerque have published the results in the journal Optics Express.