backshine en · NOUN
Etymology
From back + shine.
Meanings
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(uncountable) Reflected light.
[...] laser beam is a Brewster window for reducing backshine of the laser beam into the detectors placed behind the observation windows.
1973, Edward Grant Brame, Applied spectroscopy reviews:The Eyes Above's shadow was clearly visible now, surrounded by just a halo of backshine.
2011, Vernor Vinge, The Children of the Sky:He also speaks of the manifold images which these signs evoke as 'backshine.'
1991, Yoshihiko Ikegami, The Empire of signs: semiotic essays on Japanese culture: