First anti-laser

According to Official Guinness Records,

In February 2011 scientists from Yale University, USA, unveiled their anti-laser, the first device capable of absorbing and cancelling out a laser beam. It uses an optical cavity made from silicon which traps the laser energy and dissipates it as heat. This prototype can absorb 99.4% of the laser light for a specific frequency.

For a complete list of 2011 records, please visit 2011 Guinness Records in United States.

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