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Preferred Label : downconversion;

IUPAC definition : Process by which a photon with frequency ν1 interacts with a non-linear medium and splits into two simultaneously emitted photons with frequencies ν2 and ν3 so that the energy is conserved: \[\nu _{1} \nu _{2} \nu _{3}\];

Scope note : the efficiency of the conversion process depends on the parametric gain in the non-linear material. this in turn depends on the power of the incident radiation, the photon frequencies, their indices of refraction in the material, and the non-linear hyper-susceptibility of the material.; also known as a parametric downconversion.;

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Process by which a photon with frequency ν1 interacts with a non-linear medium and splits into two simultaneously emitted photons with frequencies ν2 and ν3 so that the energy is conserved: \[\nu _{1} \nu _{2} \nu _{3}\]

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29/07/2025


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