Two different phosphate Nd-doped glasses have been investigated in a diode-pumped femtosecond laser. To our knowledge, only Schott’s phosphate glasses were previously used in femtosecond oscillators. A slightly different behaviour was observed in our experiments, with respect to earlier reports: clean sech2-pulses with duration <400 fs were routinely generated with wavelength corresponding to the fluorescence peak 1054 nm, whereas shorter pulses occurred at red-shifted wavelengths near 1067 nm. With a single 1-W pump diode (broad area emitter), cw slope efficiency as high as 32% and 139-fs pulse generation were demonstrated.

Phosphate Nd:glass materials for femtosecond pulse generation

AGNESI, ANTONIANGELO;CARRA', LUCA;REALI, GIANCARLO
2008

Abstract

Two different phosphate Nd-doped glasses have been investigated in a diode-pumped femtosecond laser. To our knowledge, only Schott’s phosphate glasses were previously used in femtosecond oscillators. A slightly different behaviour was observed in our experiments, with respect to earlier reports: clean sech2-pulses with duration <400 fs were routinely generated with wavelength corresponding to the fluorescence peak 1054 nm, whereas shorter pulses occurred at red-shifted wavelengths near 1067 nm. With a single 1-W pump diode (broad area emitter), cw slope efficiency as high as 32% and 139-fs pulse generation were demonstrated.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11571/109338
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