Micro-sized tunable liquid crystal optical filters
arXiv:1705.00983 · doi:10.1364/OL.42.002090
Abstract
Liquid Crystal Arrayed Microcavities (LCAM) is a new technology for ultra-narrow optical filtering (FWHM ~ 0.1 nm) that uses pico-liter volume Fabry-Perot type optical cavities filled with liquid crystal for tuning. LCAMs are sub-nm spectral resolution filters, which utilize well-established laser writing, thin film deposition, and wafer manufacturing techniques. These filters are compact, robust, and inexpensive. Compact, high-resolution optical filters have applications including biomedical imaging, chemical detection, and environmental monitoring. Here we describe the LCAM design and initial performance metrics.
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