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Schimpf DN, Eidam T, Seise E, et al. Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity. Opt Express. 2009;17(21):18774-81doi: 10.1364/OE.17.018774.
Schimpf, D. N., Eidam, T., Seise, E., Hädrich, S., Limpert, J., & Tünnermann, A. (2009). Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity. Optics express, 17(21), 18774-81. https://doi.org/10.1364/OE.17.018774
Schimpf, Damian N, et al. "Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity." Optics express vol. 17,21 (2009): 18774-81. doi: https://doi.org/10.1364/OE.17.018774
Schimpf DN, Eidam T, Seise E, Hädrich S, Limpert J, Tünnermann A. Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity. Opt Express. 2009 Oct 12;17(21):18774-81. doi: 10.1364/OE.17.018774. PMID: 20372610.
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Opt Express. 2009 Oct 12;17(21):18774-81. doi: 10.1364/OE.17.018774.

Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity.

Optics express

Damian N Schimpf, Tino Eidam, Enrico Seise, Steffen Hädrich, Jens Limpert, Andreas Tünnermann

Affiliations

  1. Institute of Applied Physics, Friedrich Schiller University Jena, Albert-Einstein-Str 15, D-07745 Jena, Germany. [email protected]

PMID: 20372610 DOI: 10.1364/OE.17.018774

Abstract

In this contribution it is reported that circularly polarized light is advantageous if the Kerr-effect has to be minimized during laser-amplification. The experimental demonstration is based on a fiber CPA-system. The different polarization states result in different B-integrals, which are measured using phase-only pulse-shaping. The theoretical value of 2/3 for the ratio of the B-integrals of circularly and linearly polarized light is experimentally verified. In laser-amplifiers circularly polarized light reduces the detrimental impact of the Kerr-nonlinearity, and thus, increases the peak-power and the self-focussing threshold.

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