Amplified Spontaneous Emission In Doped Alkali-Halides

G. P. Pazzi; M. G. Baldecchi; P. Fabeni; R. Linari; A. Ranfagni; A. Agresti; M. Cetica; D. J. Simkin

doi:10.1117/12.934390

16 June 1983 Amplified Spontaneous Emission In Doped Alkali-Halides

G. P. Pazzi, M. G. Baldecchi, P. Fabeni, R. Linari, A. Ranfagni, A. Agresti, M. Cetica, D. J. Simkin

Proceedings Volume 0369, Max Born Centenary Conf; (1983) https://doi.org/10.1117/12.934390
Event: The Max Born Centenary Conference, 1982, Edinburgh, United Kingdom

Abstract

This work is concerned with the possibility of getting optical amplification in the uv/visible region by means of doped alkali-halide crystals, pumped by a Nitrogen laser. The Amplified Spontaneous Emission (ASE) technique is adopted with the continuous recording of the luminescence intensity as a function of either the pump intensity or the pumped length. In the latter case the pumping beam inhomogeneity is taken into account. A CsI crystal doped with In+ and T1+ was investigated at room temperature. The fast component of the emission (~10 ns) at 430 nm showed a gain of about 1.5 with a pumping of 104 W/cm on a length of 8mm. There is experimental evidence that the active element is thallium after investigation on CsI:T1+ and CsI:In+ crystals. Negative results of amplification for KI:T1+ and KI:Ag were obtained.

Citation Download Citation

G. P. Pazzi, M. G. Baldecchi, P. Fabeni, R. Linari, A. Ranfagni, A. Agresti, M. Cetica, and D. J. Simkin "Amplified Spontaneous Emission In Doped Alkali-Halides", Proc. SPIE 0369, Max Born Centenary Conf, (16 June 1983); https://doi.org/10.1117/12.934390

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