Abstract
Generation of far-infrared radiation by nonlinear optical laser frequency mixing is considered in LiNbO 3 crystals. In one method, self-beating of a frequency-doubled Nd: YAG laser is used to generate radiation at 800–900 μm, while in the other, a dual frequency Nd:YAG laser-pumped dye laser is used for generation of radiation near 500–775 μm.
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