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Meeting Materials Science & Technology 2015
Symposium Ceramic Optical Materials
Presentation Title The Role of Scattering and Absorption on the Optical Properties of Birefringent Polycrystalline Ceramics: Modeling and Experiments
Author(s) J. E. Garay
On-Site Speaker (Planned) J. E. Garay
Abstract Scope Light scattering due to birefringence has prevented the use of ceramics with anisotropic optical properties in applications such as laser gain media. However, continued development of processing technology has brought significant improvement in transparency and is paving the way for polycrystalline ceramics to be used in next generation optical applications. We discuss results on using current activated pressure assisted densification (CAPAD) to produce highly transparent ceramics. We present optical properties of various ceramics; the emission spectra and emission lifetime are found to be similar to single crystals, confirming the high optical quality of our ceramics. We also present an analytical model, in order to explain the light transmission properties and emission properties. Comparison with measured transmission confirms that the model adequately describes the properties of polycrystalline ceramics.
Proceedings Inclusion? Planned: MS&T all conference proceedings CD

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Cladded Single Crystal Fibers
Creation of New Material Science on Optical Ceramics
Effects of Varied Heat Treatments on Precipitation of Alumina in Astoichiometric Magnesium Aluminate Spinel
Fabrication of Transparent Magnesium Aluminate Spinel Ceramics using Two Kinds of Spinel Powder with Different Particle Sizes
Fundamental Study in the Processing of Transparent Ceramics
Highly Transparent Polycrystalline YAG Ceramics for Optical Applications
Laser Oscillation of Lu-based Oxide Ceramics by Spark Plasma Sintering
Low Absorption Spinel Windows for High Energy Lasers
NMR Spectroscopy of Paramagnetic Doped Ceramics to Determine Site Occupancy and Distribution
Novel Glass and Glass Ceramic Scintillators for Gamma-ray and Neutron Detection
Polycrystalline Transparent Yttrium Aluminum Garnet for Optical Applications
Praseodymium-doped SiAlON Red Phosphors Prepared by Polymer-derived Method
Processes and Characterizations of Ceramic Optical Fibers
Spark Plasma Sintering of Transparent Ceramics and Unusual Grain Growth
Synthesis and Processing of Transparent Ceramic Scintillators for Nuclear Radiation Detection
The Role of Scattering and Absorption on the Optical Properties of Birefringent Polycrystalline Ceramics: Modeling and Experiments
Transparent Ceramic Scintillators
Transparent Magnesium Aluminate Spinel Prepared via Microfluidization and Aqueous Slip-casting
Transparent Spinel by Microwave Sintering

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