Index tunable thin film interference coatings
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United States of America Patent
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May 23, 2006
Grant Date -
Apr 1, 2004
app pub date -
Sep 19, 2003
filing date -
Jun 18, 2001
priority date (Note) -
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Abstract
According to various embodiments and aspects of the present invention, there is provided a dynamically tunable thin film interference coating including one or more layers with thermo-optically tunable refractive index. Tunable layers within thin film interference coatings enable a new family of thin film active devices for the filtering, control, modulation of light. Active thin film structures can be used directly or integrated into a variety of photonic subsystems to make tunable lasers, tunable add-drop filters for fiber optic telecommunications, tunable polarizers, tunable dispersion compensation filters, and many other devices.
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