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单词 Longitudinal mode
释义

Longitudinal mode

英语百科

Longitudinal mode

The first six longitudinal modes of a plane-parallel cavity.

A longitudinal mode of a resonant cavity is a particular standing wave pattern formed by waves confined in the cavity. The longitudinal modes correspond to the wavelengths of the wave which are reinforced by constructive interference after many reflections from the cavity's reflecting surfaces. All other wavelengths are suppressed by destructive interference.

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