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Passive Q-switching of an Er3+:Yb3+ fibre laser with a fibrised liquefying gallium mirror by Periklis Petropoulos; Sukhminder Dhanjal; David J Richardson; Nikolay I Zheludev is a Engineering article available to read on EtoBox.

What is Passive Q-switching of an Er3+:Yb3+ fibre laser with a fibrised liquefying gallium mirror about?

We report a new technique for passive Q-switching of low-power lasers, which exploits nonlinear reflection from a liquefying gallium mirror. Self-start Q-switching has been achieved in an Er 3q :Yb 3q fibre laser for circulating intracavity powers of only a few milliwatts. The laser produced a continuous train of pulses as short as 1 ms at repetition rates of a few tens of kilohertz and with peak powers of 0.5 W. Due to the broadband reflective nature of the nonlinearity of gallium, the technique should be applicable to a wide range of laser systems.

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Author

Periklis Petropoulos; Sukhminder Dhanjal; David J Richardson; Nikolay I Zheludev

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0030-4018)

Published

1999

Language

EN

Field

Engineering (Physical Sciences)