Multi-Spectral Transparent Materials Technologies - The American ...
Multi-Spectral Transparent Materials Technologies - The American ...
Multi-Spectral Transparent Materials Technologies - The American ...
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DARPA/ONR Nano-Composite Optical Ceramics Program<br />
100<br />
90<br />
80<br />
70<br />
60<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
2µm<br />
Raytheon Y 2 O 3 -MgO composite<br />
Transmittance (%)<br />
0 2 4 6 8 10<br />
Wavelength (µm)<br />
Objectives (2007-2011)<br />
•<br />
•<br />
•<br />
2 Compositions<br />
50:50 YM<br />
70:30 MY<br />
of Y2O3-MgO 2 mm thick<br />
Midwave infrared (3-5 μm) transmission<br />
> spinel<br />
<strong>The</strong>rmal shock resistance > sapphire<br />
Fabricate windows and domes<br />
Raytheon<br />
Nanocerox<br />
CeraNova<br />
University of California,<br />
Davis<br />
Rutgers University<br />
University of Connecticut<br />
21
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