Abstract
For the past 50 years, the Thin Films Group of the National Research Council
(NRC) in Canada has successfully developed optical interference coatings that have
changed the fabric of our lives. The coatings have been used for everything from
protecting paper currency against counterfeiting, to increasing the contrast and
efficiency of organic LEDs, to forming components of artificial vision systems used in
space shuttles. This article reflects on NRC's past successes, current challenges and
future directions.
© 2007 Optical Society of America
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