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

Spatial-spectral modulating snapshot hyperspectral imager.

William R Johnson1, Daniel W Wilson, Greg Bearman

  • 1Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109-8099, USA. william.r.johnson@jpl.nasa.gov

Applied Optics
|April 4, 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 author

Metasurfaces with Freely Varying Height in the Visible Using Grayscale Lithography.

Nano letters·2025
Same author

Mid-infrared plasmonic filter arrays using nanoholes in gold and silver films.

Optics letters·2023
Same author

Mid- and long-wave infrared point spectrometer (MLPS): a miniature space-borne science instrument.

Optics express·2022
Same author

An Ultra-Broadband High Efficiency Polarization Beam Splitter for High Spectral Resolution Polarimetric Imaging in the Near Infrared.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2022
Same author

A Comparison of Three Neural Network Approaches for Estimating Joint Angles and Moments from Inertial Measurement Units.

Sensors (Basel, Switzerland)·2021
Same author

Vertical pullout tests of orchard trees for bio-inspired engineering of anchorage and foundation systems.

Bioinspiration & biomimetics·2020
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

Spatial-spectral modulation enhances computed tomography imaging spectrometer (CTIS) performance. This technique improves spectral reconstruction resolution and recovers high-frequency spectral data for hyperspectral imaging.

Area of Science:

  • Optics and Spectrometry
  • Image Reconstruction
  • Computational Imaging

Background:

  • Computed Tomography Imaging Spectrometers (CTIS) enable snapshot hyperspectral imaging.
  • Spectral reconstruction resolution in CTIS can be limited by system ambiguities.
  • Spatial-spectral modulation is an advanced technique for enhancing imaging systems.

Purpose of the Study:

  • To investigate the impact of spatial-spectral modulation on CTIS performance.
  • To evaluate the gains in spectral reconstruction resolution achieved through modulation.
  • To demonstrate the capability of modulation to recover high-frequency spectral and low-frequency spatial data.

Main Methods:

  • Experimental implementation of a CTIS with imposed spatial-spectral modulation.

Related Experiment Videos

  • Application of standard iterative, nonlinear, inversion techniques for data processing.
  • Analysis of reconstructed spectral and spatial data to assess resolution improvements.

    • Main Results:

    • Substantial gains in spectral reconstruction resolution were observed after applying modulation.
    • The modulation structure effectively limited system ambiguities.
    • High-frequency spectral data and low-frequency spatial scene data were successfully recovered.

    Conclusions:

    • Spatial-spectral modulation significantly enhances the spectral resolution of CTIS.
    • Modulation acts as a high-frequency spectral deconvolver for hyperspectral imaging.
    • This technique offers a pathway to improved performance in snapshot hyperspectral imagers.