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

Optical tomographic microscope for quantitative imaging of phase objects.

N Jayshree1, G Keshava Datta, R M Vasu

  • 1Department, Indian Institute of Science, Bangalore 560012, India.

Applied Optics
|March 14, 2008
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

Ultrasound-modulated optical tomography: direct recovery of elasticity distribution from experimentally measured intensity autocorrelation.

Journal of the Optical Society of America. A, Optics, image science, and vision·2015
Same author

A high precision instrument to measure angular and binocular deviation introduced by aircraft windscreens by using a shadow casting technique.

The Review of scientific instruments·2013
Same author

Accelerated gradient based diffuse optical tomographic image reconstruction.

Medical physics·2011
Same author

Assessment of ultrasound modulation of near infrared light on the quantification of scattering coefficient.

Medical physics·2010
Same author

Enhancement of far-field spatial coherence of a partially coherent light source by source masking.

Applied optics·2010
Same author

Coherent optical processing using noncoherent light after source masking.

Applied optics·2010
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

This study introduces a tomographic microscope using the transport-of-intensity equation for phase object imaging. The developed algorithm accurately reconstructs fiber refractive indices, aligning with catalog specifications.

Area of Science:

  • Optics and Photonics
  • Biomedical Imaging
  • Materials Science

Background:

  • Phase objects require specialized imaging techniques beyond intensity-based methods.
  • Accurate refractive index measurement is crucial for material characterization and optical device design.
  • Existing phase retrieval methods can be limited by accuracy and computational complexity.

Purpose of the Study:

  • To develop and validate a tomographic microscope for imaging phase objects.
  • To utilize the transport-of-intensity equation (TIE) for phase estimation.
  • To reconstruct the refractive index distribution of optical fibers with high accuracy.

Main Methods:

  • Employing a tomographic microscope setup.
  • Applying the transport-of-intensity equation to estimate phase from intensity measurements.

Related Experiment Videos

  • Utilizing a reconstruction algorithm that corrects for ray bending effects.
  • Validating results against known refractive index values.

    • Main Results:

    • Successful phase retrieval from transmitted light through phase objects.
    • Accurate reconstruction of refractive index cross-sections for optical fibers.
    • Demonstrated agreement between reconstructed and cataloged refractive index values.
    • The ray-bending correction improved reconstruction fidelity.

    Conclusions:

    • The described tomographic microscope effectively images phase objects.
    • The TIE-based phase estimation combined with ray-bending correction offers a robust method for refractive index reconstruction.
    • This technique provides a reliable approach for characterizing optical materials like fibers.