英文高手进要翻译一句话
问题描述：
英文高手进要翻译一句话
The electrically pumped or quantum cascade laser (QCL) from its first realization has demonstrated an impressive and rapid development extending the emission wavelengths from the mid-infrared to the THz spectral range.
答
电动泵吸或量子级联激光(QCL)的首次实现显示了一个令人印象深刻的、快速发展扩展的发射波长范围从中期的红外光谱覆盖范围太赫兹