| abstract |
A laser beam is subjected to repeated reflection by a plurality ofnconcave mirrors disposed in a confronting arrangement, reflecting pathsnare centralized to form an interactive region of a high photon density, anninteraction target such as gas, liquid, a solid body, plasma, a particlenbeam and an electron beam is introduced into the interactive region and itninteraction with the laser beam causes optical interactions such as opticalnexcitement, optical ionization, optical dissociation, optical synthesis,noptical generation and optical analysis. |