The Review of Laser Engineering
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
Laser Reviews
A Review of Ceramic Materials for Optical Applications
Akio IKESUE
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2002 Volume 30 Issue 6 Pages 290-296

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Abstract
Recently, various transparent ceramics with excellent optical properties have been synthesized by a new processing method. For example in 1993, we successfully fabricated polycrystalline Nd:YAG ceramics with the same optical properties as high-quality Nd:YAG single crystal by the Czochralski method. The ceramics produced had extremely low porosity (ca. < 1 vol. ppm) and homogeneous structure. Furthermore, high-quality YIG single crystals with low dislocation densities could also be fabricated by a modified sintering method. The optical quality of some ceramic materials is improved dramatically to level the same as that of high quality single crystals. In this paper, I will discuss these new fabrication techniques and the application of optical ceramics as luminous tubes, new laser materials, scintillators, and optical communication components.
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© 2002 by The Laser Society of Japan
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