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Brief Communications

Luminescence and stimulated emission of neodymium in sodium lanthanum molybdate powders

V. M. Markushev, V. F. Zolin, Ch. M. Briskina


Abstract: The results are given of an investigation of the luminescence and stimulated emission spectra of powder phosphors of the Na₅La_1-x Nd_x(MoO₄)₄ composition prepared by the method of solidstate synthesis. Stimulated emission of neodymium was observed under the influence of strong pumping with laser pulses of 30-nsec duration. Such emission was indicated by monochromatization of the spectrum, strong reduction in the duration of the pulses and a simultaneous steep rise of the luminescence intensity, and transformation of the excitation spectrum. The appearance of stimulated radiation had a clear threshold.

UDC: 621.373.825

PACS: 42.55.Mv, 42.60.Fc, 42.65.Re, 42.60.Jf, 32.30.Bv

Received: 16.05.1985

 English version: Soviet Journal of Quantum Electronics, 1986, 16:2, 281–283

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