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 Concept Videos

Interference: Path Lengths01:10

Interference: Path Lengths

2.5K
Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
2.5K
Interference and Diffraction02:18

Interference and Diffraction

54.7K
Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
54.7K

You might also read

Related Articles

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

Sort by
Same author

Association between maternal serum RANKL and adverse birth outcomes: a prospective cohort study.

Annals of medicine·2026
Same author

Optimization of computer-generated holograms with diffraction-engineered initialization.

Optics express·2026
Same author

Profiling major volatile components in apricot fruit sheds light on the molecular mechanisms underlying low-temperature-mediated volatile release.

Food chemistry. Molecular sciences·2026
Same author

High-fidelity super-resolution microscopy datasets spanning multispectral to hyperspectral domains via diffractive optics.

Scientific data·2026
Same author

Modified Sage-Husa adaptive Kalman filter for multi-source noise mitigation in dual-comb ranging.

Applied optics·2026
Same author

Association between serum metal exposure in early pregnancy and preterm birth: Mediation by inflammatory blood cell parameters.

Journal of hazardous materials·2026
Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026
Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026
Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026
Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026
Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026
Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026
See all related articles

Related Experiment Video

Updated: Apr 10, 2026

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
06:25

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

8.9K

Interferometric spherical surface testing with unknown phase shifts.

Fa Zeng, Qiaofeng Tan, Mingzhao He

    Optics Express
    |June 16, 2015
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces a new method for spherical surface testing without phase-shifting devices. It accurately measures surface profiles by modeling interferometer physics and refining wavefront data.

    More Related Videos

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    10.5K
    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
    10:28

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

    Published on: July 5, 2016

    10.8K

    Related Experiment Videos

    Last Updated: Apr 10, 2026

    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
    06:25

    Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

    Published on: February 12, 2014

    8.9K
    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
    08:39

    Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

    Published on: January 28, 2019

    10.5K
    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization
    10:28

    Compact Lens-less Digital Holographic Microscope for MEMS Inspection and Characterization

    Published on: July 5, 2016

    10.8K

    Area of Science:

    • Optical Metrology
    • Interferometry
    • Surface Metrology

    Background:

    • Spherical surface testing is crucial in optics manufacturing.
    • Traditional methods often require phase-shifting devices, limiting flexibility.
    • Accurate wavefront retrieval is essential for quality control.

    Purpose of the Study:

    • To develop a general method for spherical surface testing with unknown phase shifts.
    • To enable accurate surface profile retrieval without specialized phase-shifting equipment.
    • To validate the method's performance through simulations and experiments.

    Main Methods:

    • Utilizing a physical interferometer cavity model to account for phase shifts, rigid body motions, and imaging distortion.
    • Processing interferograms frame-by-frame using a regularized frequency-stabilizing method.
    • Employing least-squares and linear regression for initial wavefront estimation and iterative refinement.

    Main Results:

    • Achieved experimental accuracies better than 0.004λ RMS.
    • Successfully retrieved wavefront data and actual surface profiles.
    • Demonstrated robust convergence and good accuracy without phase-shifting devices.
    • Proposed a method for estimating the numerical aperture (NA) of the test beam when unknown.

    Conclusions:

    • The proposed method offers a feasible and accurate approach to spherical surface testing.
    • It overcomes limitations of traditional phase-shifting techniques.
    • The method is validated by simulations and experiments, showing high precision.