FIELD: optics.
SUBSTANCE: device for exciting secondary radiation in molecular compositions has multi-pass dish made in form of closed cavity with openings for introduction of exciting radiation and for outputting of secondary radiation. Internal walls of dish have high factor of reflectivity as of exciting and secondary radiations. Size of inlet and outlet openings is much smaller than linear sizes of dish. Particles of dispersion medium, placed inside dish, act as reflectors. Tested matter is proposed to be used as dispersion medium. Neutral filler can be used as dispersion medium, for example, globular photon crystal - artificial opal.
EFFECT: higher contrast; higher efficiency of excitation of secondary radiation.
3 cl, 5 dwg
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