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Differential Frequency Generation (SFG) |
| Home > Knowledge Center > Knowledge of Crystals > Differential Frequency Generation (SFG) |
ω1 + ω2 = ω3 (or 1/l1 + 1/l2 = 1/l3 in wavelength) It combines two low-energy (or low-frequency) photons into a high-energy photon. For example: 1064nm + 532nm -----> 355nm ω1 - ω2 = ω3 (or 1/λ1 -1/λ2 = 1/λ3 in wavelength)
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