Ground-state absorption and excited-state absorption in the lasing region of alexandrite

M. L. Shand; J. C. Walling

doi:10.1364/CLEO.1981.THO1

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1981),
paper THO1
•https://doi.org/10.1364/CLEO.1981.THO1

Ground-state absorption and excited-state absorption in the lasing region of alexandrite

M. L. Shand and J. C. Walling

Conference on Lasers and Electro-Optics 1981

Washington, D.C. United States
10–12 June 1981
ISBN:

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Tunable Solid-State Lasers (THO)

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M. L. Shand and J. C. Walling, "Ground-state absorption and excited-state absorption in the lasing region of alexandrite," in Conference on Lasers and Electro-Optics, F. Abbott, J. Ready, T. Li, and G. Sincerbox, eds., OSA Technical Digest (Optica Publishing Group, 1981), paper THO1.

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Abstract

Alexandrite (BeA1₂O₄:Cr³⁺) is a new laser material which is continuously tunable from 700 to beyond 800 nm. Both ground-state absorption and excited-state absorption compete with emission in this region and decrease laser output. The results of measurements which determine the ground-state absorption cross section σ₁ and the excited-state absorption section σ₂ are described here.

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