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Nonlinear Optical Response of Tungsten Carbide Thin Film as Saturable Absorber at 1 μm and Its Application for Passively Q-Switched Nd:YAG Lasers

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Pulsed lasers have a wide range of applications in scientific and industrial fields, and the saturable absorber (SA) is the core device of pulsed lasers. Tungsten carbide (WC) has garnered significant attention due to its exceptional physicochemical properties... ...