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Updated: Sep 26, 2026
Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
Published on: November 22, 2019
Comment on "Development of a 10.8-eV tabletop femtosecond laser with tunable polarization for high-resolution ARPES"
F Cilento1, F Parmigiani1,2,3
1Elettra - Sincrotrone Trieste S.C.p.A., Strada Statale 14, km 163.5, 34149 Trieste, Italy.
Abstract:
With this Comment, we bring to the attention of the scientific community that, to the best of our knowledge, no circularly polarized third harmonics in gases can be generated by starting from a circularly polarized fundamental beam. Hence, the evidences reported in the paper by Gao et al. [Rev. Sci. Instrum. 96, 093004 (2025)] should arise from complementary effects, or, if proved, they definitely need extensive explanation and discussion.
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