The development of a broadly tunable excimer laser source by exploiting bound-free transitions of electron beam-pumped diatomic and triatomic are gas halides is described.
宽带可调谐准分子激光源，是电子束泵浦的双原子和三原子稀有气体卤化物通过束缚-自由跃迁产生的。
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Researchers realised that a tunablelaserbeam might be useful in surgery.