Crystallography, spectroscopic analysis, and lasing properties of Nd3+:Y3Sc2Al3O12

Toomas H. Allik, Clyde A. Morrison, John B. Gruber, and Milan R. Kokta
Phys. Rev. B 41, 21 – Published 1 January 1990
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Abstract

The crystallographic, optical, and spectroscopic properties of Nd3+:3Sc2Al3O12 are reported from which an assessment can be made regarding the material’s potential as a laser. Individual Stark levels for many of the LJ2S+1 manifolds of Nd3+(4f3) in the crystal have been identified from emission and absorption data up to 17 600 cm1 at 14 K. The observed crystal-field splitting and the measured cross sections (intensities) associated with manifold-to-manifold transitions are compared with calculated splittings and calculated intensities. The crystal-field and Judd-Ofelt intensity parameters were calculated for Nd and all other rare-earth ions. Branching ratios and diode-array-pumped laser slope efficiencies are also reported. We conclude that Nd3+:Y3Sc2Al3O12 has potential as a diode-pumped one-micrometer laser material.

  • Received 21 June 1989

DOI:https://doi.org/10.1103/PhysRevB.41.21

©1990 American Physical Society

Authors & Affiliations

Toomas H. Allik

  • Science Applications International Corporation, 1710 Goodridge Drive, McLean, Virginia 22102

Clyde A. Morrison

  • U.S. Army Electronics Research and Development Command, Harry Diamond Laboratories, Adelphi, Maryland 20783-1197

John B. Gruber

  • Department of Physics, San Jose State University, San Jose, California 95192-0106

Milan R. Kokta

  • Union Carbide Corporation, 750 South 32nd Street, Washougal, Washington 98671

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Vol. 41, Iss. 1 — 1 January 1990

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