| 11. | A ruby laser is different from a carbon dioxide laser, which is different from an argon laser.
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| 12. | He reburbished ( rebuilt ) the very first ruby laser and demonstrated it at Simon Fraser University.
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| 13. | In 1962, Willard Boyle, working at Bell Labs, produced the first continuous output from a ruby laser.
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| 14. | Ruby lasers generate deep red beams by exciting chromium atoms; the lanthanides are also extensively employed in lasers.
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| 15. | In their original experiment Sch�fer and colleagues employed a ruby laser to optically excite various infrared organic dyes.
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| 16. | Robinson led the effort to improve the power of the ruby laser, eventually increasing it by 100 times.
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| 17. | It used a pulsed ruby laser operating at 694.3 nanometers and 200 millijoule pulses of 10 nanoseconds duration.
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| 18. | Ruby lasers are still in use.
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| 19. | Ruby Laser is a type of the solid state laser whose laser medium is a synthetic ruby crystal.
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| 20. | His original ruby laser, which fit comfortably in a human hand, is now microscopic, but not so the price.
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