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单词
dual laser
释义
dual laser
dual laser
[
′dü·əl ′lā·zər
]
(optics)
A gas laser having Brewster windows and concave mirrors at opposite ends, the mirrors having different reflectivities so as to produce two different visible or infrared wavelengths from a helium-neon laser beam.
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更新时间:2025/10/10 17:21:59