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A self-modelocked Ti:Al2O3 laser pumped by a frequency-doubled Nd:YLF minilaser.

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Abstract

Recent advances in high power laser diode technology has led to vigorous research activity in the development of diode-laser-pumped, solid-state lasers. These so-called minilasers are especially useful because of their compactness and excellent beam quality, and in particular, a frequency-doubled Nd:YLF system is well-suited to the pumping of a Ti:A12O3 crystal. Argon-ion lasers having powers ranging from 1-20W, have generally been used as pump sources for Ti:A12O3 lasers. However these large-frame systems tend to have relatively noisy outputs, and are prone to having 50Hz and 300Hz intensity ripple. An efficient diode-laser-based pump source for self-modelocked Ti:A12O3 lasers is therefore more desirable. It is expected that such a system will exhibit less phase noise due to the superior characteristics of the power supply units that are used. This is especially relevant to applications in optical sampling and to synchronous streak camera measurements which both require sources of low noise, ultrashort laser pulses.

© 1994 Optical Society of America

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