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Fluorescence of Er super(3+): AlN polycrystalline ceramic
We report what we believe to be the first preparation and optical spectroscopy of Er super(3+) doped into bulk AlN ceramic. The material was prepared via hot press sintering of AlN with Er sub(2)O sub(3) and [NH sub(4)][ErF sub(4)], which yielded fully dense, translucent, hexagonal AlN. The Er super...
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Published in: | Optical materials express 2012-01, Vol.2 (1), p.78-91 |
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Main Authors: | , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Online Access: | Get full text |
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Summary: | We report what we believe to be the first preparation and optical spectroscopy of Er super(3+) doped into bulk AlN ceramic. The material was prepared via hot press sintering of AlN with Er sub(2)O sub(3) and [NH sub(4)][ErF sub(4)], which yielded fully dense, translucent, hexagonal AlN. The Er super(3+) concentration is a small fraction of a percent, and resides in multiple sites, with one type of center dominant. A number of the energy levels of Er super(3+) are identified for this center. The temperature dependent fluorescence lifetime is probably radiative, and on that basis the stimulated emission and absorption cross section spectra are inferred for the super(4)I sub(13/2) reversible reaction super(4)I sub(15/2) transitions. |
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ISSN: | 2159-3930 2159-3930 |