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Brief Communications

Stimulated emission of KY(WO₄)₂:Nd³⁺ crystals

A. A. Kaminskii, P. V. Klevtsov, L. Li, A. A. Pavlyuk


Abstract: An investigation was made of the spectroscopic and laser properties of Nd³⁺ ions in KY(WO₄)₂ at 77 and 300°K. An empirical crystal-splitting scheme was deduced for the ⁴F_3/2 and ⁴I_11/2 terms which participate directly in the stimulated emission. The laser transition (~9357 cm^–1) was identified. The widths of the luminescence lines were determined. The lifetime of the metastable state was measured and the absorption cross section of the 10.687 Å line (~5 · 10^–19 cm² at 300°K) was deduced.

UDC: 548.0+535.35

PACS: 42.70.Hj, 78.45.+h, 78.55.Hx, 78.30.Hv

Received: 10.03.1971

 English version: Soviet Journal of Quantum Electronics, 1972, 1:4, 405–407