单词 | traveling-wave maser |
释义 | traveling-wave maser [`trav·ǝl·iŋ ¦wāv `mā·zǝr] PHYSICS A ruby maser used with a comblike slow- wave structure and a number of yttrium iron garnet isolators to give L-band amplification (390 to 1550 megahertz); operation is at the temperature of liquid helium (4.2 K). |
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