Article ID Journal Published Year Pages File Type
1542089 Optics Communications 2006 5 Pages PDF
Abstract

Improvement to the Sellmeier equation for the extraordinary index of periodically poled LiNbO3 crystal (PPLN) is reported. The equation has been improved based on a continuous tunable mid-infrared radiation realizing in a PPLN crystal using difference-frequency-generation (DFG) and quasi-phase-matching (QPM) technique. The improved equation is suitable to estimate the QPM conditions of PPLN crystal for temperatures between 25 °C and 180 °C and mid-infrared wavelengths ranging from 2.8 μm to 4.8 μm.

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Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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Improvement to Sellmeier equation for periodically poled LiNbO3 crystal using mid-infrared difference-frequency generation
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