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Flat top liquid crystal tunable filter using coupled Fabry-Perot cavities
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DOI：10.1364/OE.16.000231.png)
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Abstract
En 中文
In this paper, a coupled Fabry-Perot cavities filter, using the liquid crystal as the tunable medium, is investigate to achieve tunable flat top filtering performance across the C and L bands. A tandem coupled Fabry-Perot is presented for a tunable passband filter with flat top and minimum ripple in the passband. The overall tuning range of the filter is 172 nm. Several designs are shown with comparable performance to the commercial available 100 GHz fixed single channel filters. (c) 2007 Optical Society of America.
Keywords:
WDM SYSTEMS
INTERFEROMETER
ETALON
