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arXiv · 1705.00983

Micro-sized tunable liquid crystal optical filters

Caleb Stoltzfus·Russell Barbour·David Atherton·Zeb Barber
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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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Caleb Stoltzfus, Russell Barbour, David Atherton, Zeb Barber. 2017-05-01. Micro-sized tunable liquid crystal optical filters. https://doi.org/10.1364/ol.42.002090

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