Abstract

We report the implementation of a tunable, narrow-spectral-bandwidth, pulsed, four-pass dye-laser amplifier with strongly reduced amplified spontaneous emission. We present temporal pulse profiles, pulse spectra, and gain measurements of the amplifier output for the case of Coumarin 307 dye as the gain medium, seeded at wavelengths of $\sim 508\text{\hspace{0.17em} nm}$ and pumped at $\text{355 nm}$.

© 2007 Optical Society of America

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