ruby laser

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ruby laser

[′rü·bē ′lā·zər]
(optics)
An optically pumped solid-state laser that uses a ruby crystal to produce an intense and extremely narrow beam of coherent red light.
References in periodicals archive ?
For example, a ruby laser rangefinder could create a haemorrhage if seen at a range of less than 100 metres, and can cause a retinal lesion at distances of less than one kilometre if the victim is standing directly in the beam.