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Updated: Jul 4, 2026
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Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
Published on: November 22, 2019
Femtosecond Nd:glass oscillator operating in normal dispersion regime
Antonio Agnesi1, Luca Carrà, Federico Pirzio
1Dipartimento di Elettronica dell'Università di Pavia, Via Ferrata 1, 27100 Pavia, Italy. antonio.agnesi@unipv.it
Optics Express
|June 26, 2008
Abstract:
A diode-pumped, prismless Nd:glass laser oscillator, mode-locked by a semiconductor saturable absorber, was stabilized against self-Q-switching by using a phase-mismatched second harmonic crystal. Furthermore, negative-index cascaded second-order nonlinearity provided the soliton shaping mechanism with normal intracavity dispersion. Nearly Fourier-limited pulses as short as 520 fs were obtained.
