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Parametric
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== Science == *[[Parametric process (optics)|Parametric process]], in optical physics, any process in which an interaction between light and matter does not change the state of the material *[[Spontaneous parametric down-conversion]], in quantum optics, a source of entangled photon pairs and of single photons *[[Optical parametric amplifier]], a type of laser light source that emits light of variable wavelengths *[[Statistical parametric mapping]], a statistical technique for examining differences in brain activity recorded during functional neuroimaging *[[Parametric search]]
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