Figure 5.
(a, b) Nonlinear spectra of SiO2, KDP, B2, and B3 at a 1550 nm excitation wavelength. SHG and THG intensity mapping of (c) B2 and (d) B3 with the 1550 nm laser light source. Schematic diagram of the (e) SHG and (f) THG generation process.
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