FIELD: physics, optics.
SUBSTANCE: invention relates to lighting engineering. A lamp, which includes a LED-based light source (54) configured to emit light, has a transparent window (50) which optically interacts with the light source while allowing heat transfer, wherein the transparent window is designed to radiate heat generated by the light source into the surrounding space. The lamp can further include an optical system which optically interacts with the light source and is configured to redirect light to the transparent window.
EFFECT: improved heat removal.
20 cl, 9 dwg
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