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美国科内尔大学用从雪茄烟大小的氯化钠单晶切下的薄晶片制成新型激光器,新激光器的特点是可在重要红外光谱区1.4～1.9μm内调节。它能产生连续光束和约1.5ps超短脉冲,
Cornell University made a new type of laser from a thin wafer cut from a cigar-sized sodium chloride single crystal. The new laser is characterized by its ability to be tuned within 1.4 to 1.9 μm in the important infrared spectral region. It can produce a continuous beam and about 1.5ps ultrashort pulse,