Possible generation of a <em> γ</em>-ray laser by electrons wiggling in a background laser<xref ref-type="fn" rid="cpb142464fn1">*</xref>

Possible generation of a γ-ray laser by electrons wiggling in a background laser*

Zhang Qi-Ren†

Sketch map for the cyclic intensifier. The spaces between two parallel thin gray lines show the inside of the active tube, dotted lines show the paths of the emitted photons, thick black lines show crystals making a Bragg reflection of the emitted γ -ray.