Room temperature CaGa2S4:Dy3+ laser action at 2.43 and 4.31 µm and KPb2CI5:Dy3+ laser action at 2.43 µm

M.C. Nostrand; R.H. Page; S.A. Payne; W.F. Krupke; P.G. Schunemann; L.I. Isaenko

doi:10.1364/ASSL.1999.WD4

Advanced Solid State Lasers
OSA Trends in Optics and Photonics (Optica Publishing Group, 1999),
paper WD4
•https://doi.org/10.1364/ASSL.1999.WD4

Room temperature CaGa₂S₄:Dy³⁺ laser action at 2.43 and 4.31 µm and KPb₂CI₅:Dy³⁺ laser action at 2.43 µm

M.C. Nostrand, R.H. Page, S.A. Payne, W.F. Krupke, P.G. Schunemann, and L.I. Isaenko

Advanced Solid State Lasers 1999

Boston, Massachusetts United States
31 January–3 February 1999
ISBN: 1-55852-583-8

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Mid-Infrared Laser Sources (WD)

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M. C. Nostrand, R. H. Page, S. A. Payne, W. F. Krupke, P. G. Schunemann, and L. I. Isaenko, "Room temperature CaGa2S4:Dy3+ laser action at 2.43 and 4.31 µm and KPb2CI5:Dy3+ laser action at 2.43 µm," in Advanced Solid State Lasers, M. Fejer, H. Injeyan, and U. Keller, eds., Vol. 26 of OSA Trends in Optics and Photonics (Optica Publishing Group, 1999), paper WD4.

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Abstract

In a previous report¹ we discussed the potential for two non-hygroscopic solid-state crystals as new hosts for Dy³⁺ lasers in the mid-IR (2-10µm) at room temperature. In this paper, we report such laser action at 2.43 and 4.31 µm in CaGa₂S₄:Dy³⁺, and at 2.43 µm in KPb₂Cl₅:Dy³⁺. Slope efficiencies of 2.7% and 1.6%, respectively, were achieved for the sulfide crystal and 2.2% for the chloride crystal. Findlay-Clay analysis obtained losses of 3.9%, 0.9% and 1.2%, respectively.

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