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

Flatfielding in spatial heterodyne spectroscopy.

Christoph R Englert1, John M Harlander

  • 1Space Science Division, U.S. Naval Research Laboratory, Washington D.C. 20375, USA. Christoph.Englert@nrl.navy.mil

Applied Optics
|June 27, 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

Algebraic ray trace analysis of spatial heterodyne spectrometers.

Applied optics·2023
Same author

The Ionospheric Connection Explorer - Prime Mission Review.

Space science reviews·2023
Same author

Michelson Interferometer for Global High-Resolution Thermospheric Imaging (MIGHTI) On-Orbit Wind Observations: Data Analysis and Instrument Performance.

Space science reviews·2023
Same author

Exospheric Temperature Measured by NASA-GOLD Under Low Solar Activity: Comparison With Other Data Sets.

Journal of geophysical research. Space physics·2022
Same author

Comparison of ICON/MIGHTI and TIMED/TIDI Neutral Wind Measurements in the Lower Thermosphere.

Journal of geophysical research. Space physics·2022
Same author

Q2DW-Tide and -Ionosphere Interactions as Observed From ICON and Ground-Based Radars.

Journal of geophysical research. Space physics·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

Spatial heterodyne spectroscopy (SHS) offers a faster alternative to traditional methods by capturing all spectral data at once. This study introduces three novel flatfield correction techniques to improve SHS accuracy for various instrumental effects.

Area of Science:

  • Spectroscopy
  • Optical Engineering
  • Instrumental Science

Background:

  • Spatial heterodyne spectroscopy (SHS) is a Fourier-transform technique capturing all path differences simultaneously with a detector array.
  • Unlike conventional Fourier-transform spectroscopy, SHS is resilient to scene changes.
  • Instrumental variations (detector elements, optics) necessitate flatfield correction in SHS.

Purpose of the Study:

  • To address the critical need for accurate flatfield correction in spatial heterodyne spectroscopy.
  • To present and evaluate three distinct flatfielding methodologies for SHS instruments.
  • To provide guidance on selecting appropriate flatfielding approaches based on dominant instrumental effects.

Main Methods:

  • Development and presentation of three novel flatfield correction algorithms for SHS.

Related Experiment Videos

  • Each method is based on different underlying assumptions regarding instrumental artifacts.
  • Application of these methods is contingent upon the specific instrumental effects present in the SHS system.

    • Main Results:

    • Demonstration of three viable approaches to flatfield correction in spatial heterodyne spectroscopy.
    • The effectiveness of each method is linked to the nature and magnitude of instrumental variations.
    • These methods aim to improve the quantitative accuracy of spectral data obtained via SHS.

    Conclusions:

    • Accurate flatfield correction is essential for reliable quantitative analysis using SHS.
    • The presented methods offer flexibility in addressing diverse instrumental challenges in SHS.
    • Choosing the correct flatfielding strategy is crucial for optimizing SHS performance.