Development Update of High Index Lens Material LuAG - Sematech
Development Update of High Index Lens Material LuAG - Sematech
Development Update of High Index Lens Material LuAG - Sematech
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SCHOTT Lithotec <strong>High</strong> <strong>Index</strong> <strong>Lens</strong> <strong>Material</strong> <strong>LuAG</strong><br />
New 80mm dia crystal shows homogenous low<br />
absorption <strong>of</strong> 0.062 to 0.068<br />
� Very homogeneous transmission<br />
� Variation top – bottom below 10%<br />
9 5 th Intern. Immersion Symposium<br />
22-25.9.2008, The Hague, NL,<br />
sample position as grown<br />
K ini @ 193nm<br />
cm -1<br />
(bulk + surface)<br />
1 cone 0.062<br />
2<br />
3<br />
4<br />
5<br />
top<br />
top<br />
bottom<br />
bottom<br />
0.062<br />
0.062<br />
0.066<br />
0.068
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