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Spatial control of femtosecond laser system output with submicroradian accuracy

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Abstract

A system for the course control and spatial stabilization of the output beam of a femtosecond laser system is realized. An accuracy of 0.5μrad is achieved long term in a laboratory environment for a beam with an initially daily deviation of more than 40μrad. The application and importance of the method is illustrated for laser pulse shortening in a hollow waveguide resulting in a stable output power and an 8  fs pulse duration for more than 10  h operation time.

© 2006 Optical Society of America

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