In this paper we describe a new technique to improve the performance of Nd:YAG laser-pumped dye laser amplifiers. Such amplifiers exist in many laboratories worldwide and use the commercially available Nd:YAG lasers as pump sources. The technique uses a few beam splitters and mirrors external to the Nd:YAG laser cavity. No modification to the Nd:YAG laser itself is required. Amplified pulses obtained in this way are transform-limited to within a factor of 2.
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Kumar et al. (1983) studied this question.