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gas laser |
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gas laser [′gas ‚lā·zər] (optics) A laser in which the active medium is a discharge in a gas contained in a glass or quartz tube with a Brewster-angle window at each end; the gas can be excited by a high-frequency oscillator or direct-current flow between electrodes inside the tube; the function of the discharge is to pump the medium, to obtain population inversion. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| 2] gas laser is by far the most widely used, followed by lamp-pumped, solid-state Nd:YAG lasers, and the more recent diode-pumped Nd:YAG configuration. 95-mW He-Ne gas laser and the 5-mW solid-state In-Ga-Al-[PO. The Dutch researchers said they had undertaken the study because specialists reported that use of the excimer laser, a powerful form of gas laser, had given excellent results. |
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