Abstract
We report the development of an all-solid-state source of high average power, tunable, picosecond pulses. The system is based on a diode-pumped, mode-locked 1.064 μm Nd:YAG oscillator. Pulses are seeded into a diode-pumped Nd:YAG regenerative amplifier which produces pulse energies >1 mJ at <2-kHz repetition rate and up to 3.5 W average power at 5 KHz. A parametric generation system using a single pass non-critically phase matched lithium triborate (LBO) crystal allows us to achieve >20% total conversion from λ = 532 nm (pump) to λ = 800 nm (signal) and 1.6 μm (idler) with a pulse width of ~15 ps and average power of 200 mW at a repetition rate of 3 kHz (~50 pJ per signal pulse). The parametric system can be tuned from <750 nm to >1.8 pm by temperature tuning of the LBO.
© 1995 Optical Society of America
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