New Kind of Laser Uses Tiny Particle Clumps To Generate Light - Slashdot
source link: https://science.slashdot.org/story/22/07/15/2138217/new-kind-of-laser-uses-tiny-particle-clumps-to-generate-light
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New Kind of Laser Uses Tiny Particle Clumps To Generate Light
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The green light then bounces between particles in the clump -- similarly to how light bounces between mirrors in conventional lasers -- until the clump itself starts to emit a laser beam, now in the color red. By nudging the particles into different positions with the green light, the team can program the properties of the light emitted by the laser, such as where in the device it originates from and how pure its color is. By comparison, conventional lasers can't be adjusted after manufacturing. The findings have been published in the journal Nature Physics.
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