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Thermal effects observable during quasi-phasematched second harmonic generation in periodically poled crystal fibres

Renwick, E.K. and Ruddock, Ivan S. (2008) Thermal effects observable during quasi-phasematched second harmonic generation in periodically poled crystal fibres. Optical and Quantum Electronics, 39 (14). pp. 1215-1222. ISSN 0306-8919

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Abstract

The impact of transient and steady-state thermal effects on the conversion efficiency of quasi-phasematched second harmonic generation in periodically poled LiNbO3 fibres is discussed. The response time and wavelength variation of the quasi-phasematching condition depend on the thermal conductivity of the fibre, its enclosure and the thermal coefficient of the crystal's refractive index.