Technical Papers

The following technical papers have been written by our engineering staff. Copyright rules apply when downloading documents. Unless otherwise stated in each individual paper, one print or electronic copy may be made for personal use only. Systematic reproduction, distribution, or duplication of any material in these documents for a fee or for commercial purposes, or modification of the content of the papers is prohibited.

2017

Effect of grain size microstructure, properties and surface roughness of reaction bonded SiC ceramics

Refractive index homogeneity TWE effect on large aperture optical systems

2016

Sapphire Boules - HEM

Sapphire Panels - EFG

2015

Homogeneity of material and optical properties in HEM grown sapphire - with citation

2013

Design of uniform window heating structures for electro-optical systems

Critical performance differences of monocrystalline versus polycrystalline germanium for optical applications

Effect of grain size on microstructure, properties and surface roughness of reaction bonded SiC ceramics

2012

Improved modeling of grid structures on optics:  transmission, sheet resistance and diffraction effects 

2011 

Numerical comparison of grid pattern diffraction effects through measurement and modeling with OptiScan software

2009

Predicted and measured EMI shielding effectiveness of a metallic mesh coating on a sapphire window over a broad frequency range

Observations during the fabrication of spinel optics

2008

Non-destructive optical techniques for the detection of surface and sub-surface defects in sapphire, presented at the Electromagnetic Windows Symposium

2007

Application of non-destructive optical techniques in the detection of surface and sub-surface defects in sapphire

Critical Parameters for Grinding Large Sapphire Window Panels

2005

Variability in the performance of MIL-STD-810 sand testing

How Edge Finish Affects the Strength of Sapphire

A fast F-number 10.6-micron interferometer arm for transmitted wavefront measurement of optical domes

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