A) tunable wavelength conversion between picosecond pulses is experimentally demonstrated by using the cascaded sum-and difference-frequency generation(cSFG/DFG) in a periodically poled LiNbO_3(PPLN) waveguide.是什么意思_A) tunable wavelength conversion between picosecond pulses is experimentally demonstrated by using the cascaded sum-and difference-frequency generation(cSFG/DFG) in a periodically poled LiNbO_3(PPLN) waveguide.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句