FIELD: physics.
SUBSTANCE: method of generating pulsed X-ray radiation involves focusing laser radiation of the ruby laser of an optical system and directing the radiation onto an opal matrix - an ordered structure made from silica with diameter of 0.2-0.4 mcm and cooled to 200 K. The inter-spherical nanocavities of the opal matrix are filled with a substance with permittivity of not less than 2.5 with filling factor in the range of 30-85%, and the laser radiation has power of 0.25-10 GW/cm.
EFFECT: reduced angular divergence of the pulsed X-ray radiation.
3 cl, 2 dwg, 2 tbl
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