The external cavity laser composes of a broad-area stripe semiconductor laser with fast-axis and slow axis beam collimation, and a VBG positioned off-axis.是什么意思_The external cavity laser composes of a broad-area stripe semiconductor laser with fast-axis and slow axis beam collimation, and a VBG positioned off-axis.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句