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In this work we evaluated the spectroscopic properties of Nd3+-doped photo-thermo-refractive glass (Nd:PTR). Absorption coefficient, Stimulated emission cross section, fluorescence lifetime, and radiative quantum efficiency of Nd:PTR are discussed, which aims at the investigation of the laser performance. The measurement of absorption spectrum of 0.8at.% Nd:PTR was carried out using a spectrophotometer...
The spectroscopic properties of Nd3+-doped photo-thermo-refractive glass (Nd:PTR) were evaluated for the first time. Authors assures that Nd:PTR is the promised laser medium due to optical qualities and designability of Nd:PTR.
A pair of nearly identical volumetric Bragg gratings held at different temperatures serving as the end mirrors of a Ti:sapphire laser made possible very narrow output linewidth and enabled easy optimization of the laser output.
We report a diode-pumped, CW Tm:YLF laser, with a volume holographic grating in photo-thermo-refractive glass as an output coupler. The Tm-laser operated at 1940 nm with output power exceeding 30 W.
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