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Spectroscopic Characteristics of the Erbium Ions and Laser Action at the Transition 4S3/2 -»*4I9/2 (λe = 1.66 um) in the Crystals of Gadolinium, Yttrium, and Lutecium Orthoaluminates

I. V. Mochalov

Published Dec 31, 1979• 0 citations

Abstract

Spectroscopic Characteristics of the Erbium Ions and Laser Action at the Transition 4S3/2 -»*4I9/2 (λe = 1.66 um) in the Crystals of Gadolinium, Yttrium, and Lutecium Orthoaluminates was published in Volume 55, Number 1 September 16 on page 79.

DOI: 10.1515/9783112493021-009

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Spectroscopic characteristics of the erbium ions and laser action at the transition4S3/2 →4I9/2 (λe ≍ 1.66 μm) in the crystals of gadolinium, yttrium, and lutecium orthoaluminates

I. V. Mochalov

The Czochralski method is employed to synthesize crystals of compound orthoaluminates: GdAlO3, YAlO3, and LuAlO3 doped with erbium (Er3+). The crystal splitting schemes of 4S3/2, 4F9/2, 4IJ levels of Er3+ at 77 K are plotted based on an analysis of optical spectra. Stimulated emission due to a 4S3/2 → 4I9/2 transition is observed from Er3+ ions GdAlO3, YAlO3 at 77 K. Pulsed laser action at room temperature is only observed from Er3+ ions in YAlO3.

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