Space-time self-splitting generation method of partial space and partial time coherent pulse light source

The invention relates to the technical field of pulse light sources, in particular to a space-time self-splitting generation method of a partial space and partial time coherent pulse light source. The method comprises the following steps: constructing a mutual coherence function of a partial space and partial time coherent pulse light source in a space domain and a time domain; substituting the mutual coherence function into a generalized Huygens-Fresnel diffraction integral formula; obtaining an expression of a mutual coherence function of the partial space and partial time coherent pulse light source at any spatial position z by utilizing the formula; and overlapping the two space points and the two time points to obtain a space-time intensity expression of the partial-space and partial-time coherent pulse light source, wherein the space-time intensity of the partial-space and partial-time coherent pulse light source has a space-time self-splitting phenomenon when being transmitted in a dispersive medium. A