Generation of continuously tunable IR radiation by means of difference-frequency mixing of nitrogen-laser and dye-laser radiation in LiIO3 |
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| Authors: | R Koenig A Rosenfeld Nguy huu Tam S Mory |
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| Institution: | Zentralinstitut fur optik und Spectroskopie der Akademie der Wissenschaften der DDR, 1199 Berlin, DDR |
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| Abstract: | The paper describes the generation of difference frequencies from nitrogen-laser and dye-laser radiation in LiIO3 which was accomplished for the first time. IR radiation in the range from 0.7 to 2.2 μm is generated, the radiant power being in the watt range. Comparison measurements in LiIO3, ADP and KDP indicate the benefits of LiIO3. An analysis of the influence of the bandwidth on the conversion efficiency shows that below 2 μm an efficient wideband transformation is also possible. Experimentally, it was possible to realize IR radiation with bandwidths of 90 Å. Possibilities of improving the efficiency of transformation are discussed. |
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