ArticleACS photonics2021
Fast Switching Dual-Frequency Nematic Liquid Crystal Tunable Filters.
Article in ACS photonics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Temperature-Tunable Heliconical and Ferroelectric Nematics for White Lasing.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Collective bending motion of a two-dimensionally correlated bowl-stacked columnar liquid crystalline assembly under a shear force.Science advances · 2023Article
- Microcantilever-integrated photonic circuits for broadband laser beam scanning.Nature communications · 2023Article
- Aerosol jet printing polymer dispersed liquid crystals on highly curved optical surfaces and edges.Scientific reports · 2022Article
- Design of discotic liquid crystal enabling complete switching along with memory of homeotropic and homogeneous alignment over a large area.Chemical science · 2022Article
- Single wavelength colour tuning of spiropyran and dithienylethene based photochromic coatings.Materials advances · 2022Article
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Authors and funding
8 authors.
Funding
Abstract
We develop tunable optical filters with dual-frequency nematic liquid crystal optical retarders to enable fast switching between the passed wavelengths. The filters are composed of a series of two liquid crystal optical retarders. We select the specific thicknesses of the liquid crystal retarders and use individual biasing schemes to continuously tune the wavelength and bandwidth of the filter. This enables fine-tuned filter switching speeds of filter operation in the ms regime. We present theoretical predictions and experimental results for the electro-optical filter characterization as well as an example application for our filter in total internal reflection fluorescence microscopy. We find that our filter switching speeds can be as short as a few ms, an order of magnitude improvement over typical mechanical filter wheel switching speeds. The quality of our fluorescence images is similar to those obtained by conventional filters.
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