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G - Ruby rod. H - Trigger wire. A ruby laser is a solid-state laser that uses a synthetic ruby crystal as its gain medium. The first working laser was a ruby laser made by Theodore H. "Ted" Maiman at Hughes Research Laboratories on May 16, 1960. [1] [2] Ruby lasers produce pulses of coherent visible light at a wavelength of 694.3 nm, which is a ...
Laser pumping lamps. The top three are xenon flashlamps while the bottom one is a krypton arc lamp External triggering was used in this extremely fast discharge. Due to the very high speed, (3.5 microseconds), the current is not only unable to fully heat the xenon and fill the tube, but is still in direct contact with the glass.
A simplified diagram of the Verneuil process A small ruby boule, still attached to the rod, produced by the Verneuil process. One of the most crucial factors in successfully crystallising an artificial gemstone is obtaining highly pure starting material, with at least 99.9995% purity. [4]
You can shop nine variations on this set of Halloween studs, but our favorite pair is this ruby red set of vampire fangs. They're deliciously blood-tinged, but subtle enough that you can get away ...
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Ruby lasers are still made with pink ruby. I don't know how it compares to red ruby. Pink ruby requires enormous amounts of pumping energy compared to better laser media such as Nd:YAG. You make a ruby laser by pumping the gain medium very hard, such that you deplete the ground state of the medium. "Brute force" is a good description.
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