High energy, Q-switched pulses with high average power and low M2 value at eye-safe wavelength (1.55 μm) are of particular interest for many technological applications e.g. nonlinear frequency conversion, LIDAR. The maximum extractable energy from a single mode fibre is, however limited to ~10 μJ due to small cross-sectional area of Standard single-mode cores.

© 2001 Optical Society of America

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