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Optical parametric oscillator pumped at ~1 µm with intracavity mid-IR difference-frequency era in OPGaAsWe report over a femtosecond optical parametric oscillator (OPO) to the deep-infrared (deep-IR) based upon the Kerr-lens-manner-locked Ti:sapphire laser since the pump supply. By deploying a novel cascaded intracavity arrangement, comprising a f

The KTP crystal is really a nonlinear optical content that will transform the frequency of sunshine. The KTP crystal is cut and oriented in such a way that it satisfies the section matching problem for 2nd harmonic generation (SHG), which means that two photons from the input beam can Merge to supply one particular photon of twice the frequency (or