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Output pulses from a Ti:sapphire-amplified OPO are shown to be nearly Fourier-transform-limited with little additional chirp. The power is sufficient to generate narrowband vacuum-ultraviolet radiation (using nonlinear-optical methods) for precision spectroscopy.
We simulate spectro-temporal processes in a nanosecond injection-seeded optical parametric oscillator. Our simulations accurately predict the experimental behavior for the frequency chirp, optical bandwidth, and spectral purity, including effects that are not readily observed directly.
We use optical heterodyne and nonlinear-optical spectroscopic techniques to measure the near Fourier-transform limited output from a narrowband tunable injection-seeded, pulsed optical parametric oscillator/amplifier system that has a controllable frequency chirp of <10 MHz
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