FIELD: physics.
SUBSTANCE: luminescent object contains: a luminescent layer or core containing photoluminescent material; and a wavelength selective mirror; the luminescent layer or core is optically connected to the wavelength selective mirror, where the said mirror is at least 50% transparent to light absorbed by the photoluminescent material and at least 50% reflective for radiation emitted by the photoluminescent material.
EFFECT: invention provides highly efficient transmission of radiation emitted by photoluminescent material.
23 cl, 16 dwg, 4 ex, 1 tbl
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