Efficient second-harmonic generation of a high-energy, femtosecond laser pulse in a lithium triborate (LBO) crystal

Abstract

We demonstrate the highest efficiency ($\sim$80%) second harmonic generation (SHG) of Joule level, 27 femtosecond, high contrast pulses in a type-I lithium triborate (LBO) crystal. In comparison, potassium dihydrogen phosphate (KDP) gives a maximum efficiency of 26%. LBO thus offers high intensity ($>$10${}^{19}$ W/cm${}^2$), ultra-high contrast femtosecond pulses, which have great potential for high energy density science particularly with nanostructured targets as well as technological applications.

5 pages, 3 figures, 2 tables

References in corpus (1)

• Relativistic interaction of long-wavelength ultrashort laser pulses with nanowires

Cited by in corpus (3)

• Broadband nonlinear modulation of incoherent light using a transparent optoelectronic neuron array
• Harmonics-assisted optical phase amplifier
• Massively parallel and universal approximation of nonlinear functions using diffractive processors