单词 | pulsed ruby laser |
释义 | pulsed ruby laser [`pǝlst `rü·bē `lā·zǝr] OPTICS A laser in which ruby is used as the active material; the extremely high pumping power required is obtained by discharging a bank of capacitors through a special high-intensity flash tube, giving a coherent beam that lasts for about 0.5 millisecond. |
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