@article{oai:repo.qst.go.jp:00049075, author = {神門, 正城 and エシロケポフ, ティムル and コーガ, ジェームズ and ピロジコフ, アレキサンダー and ブラノフ, セルゲイ and 神門 正城 and エシロケポフ ティムル and コーガ ジェームズ and ピロジコフ アレキサンダー and ブラノフ セルゲイ}, issue = {2}, journal = {Quantum Beam Science}, month = {Jun}, note = {Coherent, Short X-ray pulses are demanded in material science and biology for the study of micro-structures. Currently, large-sized free-electron lasers are used; however, the available beam lines are limited because of the large construction cost. Here we review a novel method to downsize the system as well as providing fully (spatially and temporally) coherent pulses. The method is based on the reflection of coherent laser light by a relativistically moving mirror (flying mirror). Due to the double Doppler effect, the reflected pulses are upshifted in frequency and compressed in time. Such mirrors are formed when an intense short laser pulse excites a strongly nonlinear plasma wave in tenuous plasma. Theory, proof-of-principle, experiments, and possible applications are addressed.}, pages = {9-1--9-11}, title = {Coherent, Short-Pulse X-ray Generation via Relativistic Flying Mirrors}, volume = {2}, year = {2018} }