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We demonstrate a scheme for correcting the angular dispersion of the 3.1- $\mu$m idler beam from a high repetition rate, KTiOAsO$_4$ (KTA) based noncollinear optical parametric amplifier pumped at 1.03 $\mu$m and seeded by broadband signal pulses at 1.55 $\mu$m. Following angular dispersion correction, successful temporal chirp compensation was possible, and a close to transform-limited pulse duration...
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