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Mitigating heat dissipation in a hydrogen-based Raman laser using coherent anti-Stokes Raman scattering

Publication date 2007
B-Phot Authors Nathalie Vermeulen, Hugo Thienpont
DOI 10.1117/12.724024
Citation
N. Vermeulen, C. Debaes, and H. Thienpont, “Mitigating heat dissipation in a hydrogen-based Raman laser using coherent anti-Stokes Raman scattering,” in Proc. SPIE, 2007, vol. 6582, p. 65820W.
Abstract We show that the novel heat mitigation technique called "Coherent Anti-Stokes Raman Scattering (CARS)-based heat mitigation" is able to substantially reduce the quantum-defect heating in hydrogen-based Raman lasers. This CARS-based heat mitigation technique causes the amount of phonons created in the hydrogen Raman medium to decrease by establishing an increase of the ratio of the number of anti-Stokes photons to the number of Stokes photons coupled out of the laser. To illustrate the effectiveness of this heat mitigation approach for a concrete hydrogen-based Raman laser setup, we numerically demonstrate for a Raman laser based on a hydrogen-filled hollow core photonic crystal fiber that the heat dissipation can be reduced with at least 30%.
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