Abstract

A 2-J Ti:sapphire laser oscillator has been constructed by using an end-pumped configuration. The pump laser delivered as much as 10 J of energy (40–50 J cm⁻²) at 495 nm over a 4-μsec pulse length with no damage to the Ti:sapphire crystal. Ti:sapphire laser conversion efficiencies of 20% were obtained, and no parasitic oscillations were observed. A side-pumped Ti:sapphire oscillator delivered 0.7 J when pumped by 8 J of 495-nm radiation.

© 1988 Optical Society of America

High-contrast 2.0 Petawatt Ti:sapphire laser system

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