Sagnac interferometric multipass loop amplifier

We propose and investigate experimentally an interferometrically stable, polarization-selective pulse multiplexing scheme for direct laser amplification of picosecond pulses. The basic building block of this scheme is a Sagnac loop which allows for a straightforward scaling of the pulse-multiplexing...

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Bibliographic Details
Published in:Optics express 2012-10, Vol.20 (22), p.25121-25129
Main Authors: Roither, S, Verhoef, A J, Mücke, O D, Reider, G A, Pugžlys, A, Baltuška, A
Format: Article
Language:English
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Summary:We propose and investigate experimentally an interferometrically stable, polarization-selective pulse multiplexing scheme for direct laser amplification of picosecond pulses. The basic building block of this scheme is a Sagnac loop which allows for a straightforward scaling of the pulse-multiplexing scheme. Switching the amplifier from single-pulse amplification to burst mode increases extraction efficiency, reduces parasitic non-linearities in the gain medium and allows for higher output energies. Time-frequency analysis of the amplified output pulses demonstrates the viability of this approach.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.20.025121