Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Video

Updated: Feb 17, 2026

Fabrication and Testing of Microfluidic Optomechanical Oscillators
09:10

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

12.7K

Exploiting soft organic optical resonant structure towards large range electro-optic tunable devices.

Suman K Manna1,2, Stephen Le-Gall2, L Dupont2

  • 1Department of Ophthalmology and Vision Science, The Ohio State University, 1330 Kinnear Road, Columbus, OH 43212, USA.

Journal of Molecular Liquids
|December 12, 2017
PubMed
Summary

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Coarse-to-fine registration and time-intensity curves constraint for liver DCE-MRI synthesis.

Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society·2023
Same author

Research progress on GlnR-mediated regulation in Actinomycetes.

Frontiers in microbiology·2023
Same author

Pseudoceranoids A-J, Sesquiterpene-Based Meroterpenoids with Cytotoxicity from the Sponge <i>Pseudoceratina purpurea</i>.

Journal of natural products·2023
Same author

Investigation of the transport and metabolic patterns of oil-displacing bacterium FY-07-G in the microcosm model using X-CT technology.

Journal of applied microbiology·2023
Same author

Characterisation of forkhead box protein A3 as a key transcription factor for hepatocyte regeneration.

JHEP reports : innovation in hepatology·2023
Same author

In vitro long-term antibacterial performance and mechanism of Zn-doped micro-arc oxidation coatings.

Colloids and surfaces. B, Biointerfaces·2023

Cholesteric liquid crystals (CLCs) enable tunable reflected light wavelengths by electric field compression. Higher helical twisting power (HTP) chiral dopants allow broader visible spectrum tuning.

Area of Science:

  • Materials Science
  • Condensed Matter Physics

Background:

  • Cholesteric liquid crystals (CLCs) exhibit unique optical properties due to their helical molecular structure.
  • The selective reflection wavelength in CLCs is directly related to the helical pitch.
  • External stimuli, such as electric fields, can alter the helical structure and thus the reflected light properties.

Purpose of the Study:

  • To investigate the effect of electric fields on the molecular arrangement and optical properties of CLCs.
  • To explore the relationship between chiral dopant concentration, helical twisting power (HTP), and spectral tuning range.
  • To demonstrate the potential for achieving broad spectral tuning across the visible range using optimized CLC mixtures.

Main Methods:

  • Applying external electric fields to CLC cells to induce molecular compression.
Keywords:
Bragg's reflectionCholesteric liquid crystalElectro-optic deviceHelical twisting powerTunable filter

More Related Videos

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
15:25

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

6.6K
Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators
09:46

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

Published on: August 8, 2025

1.2K

Related Experiment Videos

Last Updated: Feb 17, 2026

Fabrication and Testing of Microfluidic Optomechanical Oscillators
09:10

Fabrication and Testing of Microfluidic Optomechanical Oscillators

Published on: May 29, 2014

12.7K
Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
15:25

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

6.6K
Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators
09:46

Fabrication and Characterization of High-Q Silicon Nitride Membrane Resonators

Published on: August 8, 2025

1.2K
  • Analyzing the resulting changes in the wavelength of reflected light.
  • Investigating the influence of varying chiral dopant concentrations on the tuning range.
  • Utilizing analytical methods to correlate helical twisting power (HTP) with chiral dopant requirements.

    • Main Results:

    • Electric field application compresses the CLC molecular structure, enabling fine-tuning of reflected light wavelength.
    • The compression is limited by chiral energy density and excluded volume interactions, causing wavelength jumps.
    • The tuning range is significantly dependent on the concentration of the chiral dopant.
    • Higher HTP chiral molecules allow for reduced dopant concentration to achieve desired pitch lengths.

    Conclusions:

    • Electric field-induced compression offers a method for precise wavelength tuning in CLCs.
    • The spectral tuning range is controllable via chiral dopant concentration and HTP.
    • Optimizing chiral dopants with high HTP is crucial for exploiting the full visible spectrum for tunable photonic applications.