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The Formation of Laser Active Composite Films from Silicate Ceramics

Published online by Cambridge University Press:  15 February 2011

L. L. Beecroft ,
R. T. Leidner ,
C. K. Ober ,
D. B. Barber  and
C. R. Pollock
L. L. Beecroft
Affiliation:
Departments of Materials Science and Engineering, Cornell University, Ithaca, NY 14853
R. T. Leidner
Affiliation:
Departments of Materials Science and Engineering, Cornell University, Ithaca, NY 14853
C. K. Ober
Affiliation:
Departments of Materials Science and Engineering, Cornell University, Ithaca, NY 14853
D. B. Barber
Affiliation:
Electrical Engineering, Cornell University, Ithaca, NY 14853
C. R. Pollock
Affiliation:
Electrical Engineering, Cornell University, Ithaca, NY 14853
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Abstract

Composite films containing solid state laser nanoparticles have been created which show optical amplification in the technologically important near IR range. The solid state laser materials studied, Cr-forsterite (Cr-Mg2SiO4) and Cr-diopside (Cr-CaMgSi2O6), were prepared using a dispersion polymerized polymer precursor. The nanoparticles produced during the polymer synthesis acted as size templates, creating fine crystalline powders of the Cr-forsterite and Crdiopside upon calcination. These fine powders were dispersed in a refractive index matched polymer matrix and cast as 5–10 μm thick films. The resulting composite containing Cr-forsterite showed optical amplification of 300 dB/m at 1.24 μm.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 435: Symposium V – Better Ceramics Through Chemistry VII , 1996 , 575
Copyright
Copyright © Materials Research Society 1996

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References

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