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Title: 2.7 μm fluorescence and energy transfer in Er{sup 3+} doped germanosilicate glasses

Highlights: • Novel Er{sup 3+} doped germanosilicate glasses were synthesized. • Excellent thermal stability and 2.7 μm emission properties were obtained. • High A{sub rad} (33.75 s{sup −1}) and emission cross section (1.90 × 10{sup −20} cm{sup 2}) were achieved. • A reasonable energy transfer mechanism was put forward. - Abstract: 2.7 μm fluorescence has been achieved for the first time in Er{sup 3+} doped novel germanosilicate glasses. Thermal stability, spectroscopic properties and energy transfer mechanism have been investigated in detail. Moreover, the spontaneous transition probability (A{sub rad}) and emission cross section of samples were calculated and analyzed. The prepared Er{sup 3+} doped germanosilicate glasses possessing excellent thermal stability, high A{sub rad} (33.75 s{sup −1}) and emission cross section of 2.7 μm (1.90 × 10{sup −20} cm{sup 2}) provide a new material for the realization of mid-infrared fiber lasers.
Authors:
 [1] ;  [2] ;  [1] ; ;  [1] ;  [1]
  1. College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018 (China)
  2. Institute of Optoelectronic Technology, China Jiliang University, Hangzhou 310018 (China)
Publication Date:
OSTI Identifier:
22348662
Resource Type:
Journal Article
Resource Relation:
Journal Name: Materials Research Bulletin; Journal Volume: 54; Other Information: Copyright (c) 2014 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CROSS SECTIONS; DOPED MATERIALS; ERBIUM IONS; FLUORESCENCE; OXIDES; STABILITY