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

Optimized birefringence changes during isolated nerve activation.

Amanda J Foust1, Roxana M Beiu, David M Rector

  • 1Department of Veterinary and Comparative Anatomy, Washington State University, Pullman, Washington 99164, USA.

Applied Optics
|April 20, 2005
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 author

Light-field deep learning enables high-throughput, scattering-mitigated calcium imaging.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Two-photon microscopy using picosecond pulses from four-wave mixing in a Yb-doped photonic crystal fiber.

Biomedical optics express·2025
Same author

Model-Based Explainable Deep Learning for Light-Field Microscopy Imaging.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2024
Same author

Voltage imaging reveals the dynamic electrical signatures of human breast cancer cells.

Communications biology·2022
Same author

Comparing synthetic refocusing to deconvolution for the extraction of neuronal calcium transients from light fields.

Neurophotonics·2022
Same author

Light-Field Microscopy for Optical Imaging of Neuronal Activity: When Model-Based Methods Meet Data-Driven Approaches.

IEEE signal processing magazine·2022
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

High-intensity light-emitting diodes (LEDs) improved optical recordings of nerve signals. This advancement enhances birefringence detection for potential noninvasive brain imaging.

Area of Science:

  • Neuroscience
  • Biophysics
  • Optical Imaging

Background:

  • Birefringence signals are optical changes linked to nerve activity.
  • Previous methods used halogen lamps, which have limitations in spectral output and stray light.
  • Optimizing signal detection is crucial for advancing noninvasive neuroimaging.

Purpose of the Study:

  • To optimize the detection of birefringence signals from isolated lobster nerves.
  • To evaluate the use of high-intensity light-emitting diodes (LEDs) as a light source for birefringence measurements.
  • To compare LED performance against traditional halogen light sources.

Main Methods:

  • Isolated lobster nerves were used to record birefringence signals.
  • High-intensity LEDs with narrow spectral output and glass polarizers were employed.

Related Experiment Videos

  • Signal quality and intensity were compared between LED and halogen light sources.

    • Main Results:

    • LEDs provided intensity profiles comparable to narrowband filtered halogen lamps.
    • Birefringence signals recorded with LEDs were of similar or superior size and clarity.
    • A direct correlation was found between signal size and polarizer extinction coefficient.

    Conclusions:

    • High-intensity LEDs offer an effective and potentially superior alternative to halogen lamps for birefringence signal detection.
    • Optimized birefringence detection using LEDs can improve noninvasive neuroimaging techniques.
    • This method holds promise for studying fast optical signals associated with action potential propagation.