Flat-top spectral response from cascaded subwavelength resonant filters is demonstrated experimentally with much flatter passband and sharper rolloff than for a single filter. The ratio of 10 dB to 3 dB bandwidth is reduced from 3 for a single filter to 1.53.
Cascaded subwavelength resonant grating filters for flat-top spectral response
2003-01-01
148045 byte
Conference paper
Electronic Resource
English
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