为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Cascading stages of high gain harmonic generation free electron laser (FEL) seem to be a feasible way to generate short ......

In high gain harmonic generation (HGHG) free electron laser (FEL), with the right choice of parameters of the modulator ......

时间相干性是外种子型自由电子激光(FEL)对于自发辐射自放大(SASE)FEE具有的重要优势之一。利用自制的迈克尔逊干涉仪测量了600 nm......

As a natural character of high gain free electron laser (FEL), harmonic radiation is regarded as the natural extensions ......