Abstract

We present a detailed study of the spectroscopy and fluorescence properties of the Er:KPb2Cl5 laser crystal, together with complementary data to complete the existing literature in the visible and near UV spectral domain. It deals with fluorescence decays, with anti-Stokes emission spectra and of calibration of excited-state absorption and emission spectra in the cross-section unit in the region of optical excitation around 800 nm. It brings new data for analyzing laser operation under one- and two-photon excitation conditions and for characterizing the involved energy transfer processes.

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