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 Videos

Defect-free switchable phase grating.

Garry A Lester1, Stephen J Coulston, Adrian M Strudwick

  • 1L-lectronics, Ltd., 48 Wilton Way, Exeter EX1 3UR, United Kingdom. galester@eurobell.co.uk

Applied Optics
|January 21, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same journal

Multifunctional reconfigurable terahertz metasurface based on vanadium dioxide phase transition: achieving broadband absorption and efficient polarization conversion.

Applied optics·2026
Same journal

High-Q-factor electromagnetically induced transparency utilizing quasi-bound states in the continuum in an all-dielectric terahertz metasurface.

Applied optics·2026
Same journal

Automated stitching interferometry for high-precision metrology of X-ray mirrors.

Applied optics·2026
Same journal

Experimental demonstration of an approach to designing a metal-dielectric DBR resonant cavity structure.

Applied optics·2026
Same journal

High-precision wavefront reconstruction from a single-shot interferogram using a physics-driven hybrid feature calibration network.

Applied optics·2026
Same journal

Ultra-high-Q Fano resonance based on coupled topological corner states in Kagome photonic crystals.

Applied optics·2026
See all related articles

Researchers developed low-cost switchable spatial phase modulators using liquid-crystal-filled polymer structures. By reducing the liquid-crystal region dimensions, they effectively suppressed defects, enabling the fabrication of complex diffractive devices.

Area of Science:

  • Materials Science
  • Optics
  • Polymer Science

Background:

  • Liquid-crystal-filled polymer structures serve as cost-effective switchable spatial phase modulators.
  • Applied electric fields can alter or switch the phase profile within these devices.
  • Observed defects in some devices lead to undesirable spurious diffraction peaks.

Purpose of the Study:

  • To investigate the cause of defects in liquid-crystal-filled polymer structure devices.
  • To develop a method for suppressing these defects.
  • To enable the fabrication of low-cost, switchable, complex diffractive devices.

Main Methods:

  • Computational modeling of liquid-crystal director profiles.
  • Experimental validation of the proposed defect suppression method.

Related Experiment Videos

  • Fabrication of devices with controlled liquid-crystal region dimensions.

    • Main Results:

    • Computational modeling indicated that small liquid-crystal region dimensions could suppress defects.
    • Experimental measurements confirmed the effectiveness of reducing dimensions in controlling defects.
    • The approach successfully mitigated spurious diffraction peaks.

    Conclusions:

    • Reducing the dimensions of the liquid-crystal region is an effective strategy for defect control in these devices.
    • This method facilitates the fabrication of low-cost switchable complex diffractive devices.
    • The findings pave the way for advanced optical component development.