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We propose a new method to effect heat removal from an object by using alaser beam. The proposed method is based on inelastic scattering of a laserbeam from the object and in particular by making the anti-Stokes emission moreefficient than the Stokes emission. In that manner more energy is removed fromthe body per unit time than deposited. Various ways are outlined in order toachieve this result ranging from careful selection of the laser frequency withrespect to the resonant frequencies of the medium, use of the frequencydependence of the density of electromagnetic modes in a three-dimensionalsystem, use of photonic crystals and the polarization dependence ofelectromagnetic modes in cavities. The proposed methods could find use forexample in the cooling of devices of nanoscale dimensions.

Proposal for a Photonic Remote Active Heat Sink Technology (PHRAHST)