Abstract
We designed and fabricated a compact spectrometer based on a gradient grating period guided-mode resonance filter (GGP-GMRF). The GGP-GMRF of 2.23 mm long consisted of gratings with periods varying from 250-388 nm in 2-nm increments. With such compact size, the device can measure spectrum ranging from 506 to 700 nm.
© 2017 Optical Society of America
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