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

Common Leveling Mistakes and Errors01:17

Common Leveling Mistakes and Errors

A survey team is tasked with determining the elevation difference between points Point A and Point B, separated by uneven terrain. They use a leveling instrument and a leveling rod.Common MistakesMisreading the Rod: During a backsight reading at Point A, the instrumentman observes the rod partially obscured by tall grass. Instead of reading 1.135 m, they mistakenly record 1.735 m due to the misalignment of the crosshair with the wrong graduation. This error adds 0.600 m to all subsequent...
Errors in Global Positioning System01:26

Errors in Global Positioning System

Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
Influence of Earth's Curvature and Atmospheric Refraction on Leveling01:26

Influence of Earth's Curvature and Atmospheric Refraction on Leveling

During leveling, the Earth's curvature and atmospheric refraction introduce deviations in the line of sight from a true horizontal reference. When the line of sight is leveled, it remains perpendicular to the plumb line only at a single point. Beyond this, it deviates due to the Earth’s curvature, represented by the correction C. For a sight distance D, the deviation can be derived using the relationship:This relationship shows that the deviation increases quadratically with distance. Over a...

You might also read

Related Articles

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

Sort by
Same author

When a synonymous mutation breaks the silence in a thalassaemia patient.

British journal of haematology·2023
Same author

Identification of high oxygen affinity hemoglobin (Hb Andrew-Minneapolis) in an Indian family.

International journal of laboratory hematology·2017
Same author

Delta globin gene variations leading to reduction in HbA<sub>2</sub> levels.

International journal of laboratory hematology·2016
Same author

In vitro profiling of antimethicillin-resistant Staphylococcus aureus activity of thymoquinone against selected type and clinical strains.

Letters in applied microbiology·2016
Same author

Potential modulation on P-glycoprotein and CYP3A by soymilk and miso: in vivo and ex-vivo studies.

Food chemistry·2013
Same author

Achromatic phase-shifting for white-light interferometry.

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

Related Experiment Video

Updated: Jun 8, 2026

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
12:14

The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

Published on: August 12, 2013

Phase-shifting errors in interferometric tests with high-numerical-aperture reference surfaces.

K Creath, P Hariharan

    Applied Optics
    |September 24, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Errors from moving a spherical reference surface in Fizeau interferometers are analyzed. This study quantifies phase shifts and their impact on measurement accuracy.

    More Related Videos

    Implementation of a Reference Interferometer for Nanodetection
    16:11

    Implementation of a Reference Interferometer for Nanodetection

    Published on: April 26, 2014

    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

    Related Experiment Videos

    Last Updated: Jun 8, 2026

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
    12:14

    The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry

    Published on: August 12, 2013

    Implementation of a Reference Interferometer for Nanodetection
    16:11

    Implementation of a Reference Interferometer for Nanodetection

    Published on: April 26, 2014

    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

    Area of Science:

    • Optical metrology
    • Interferometry

    Background:

    • Fizeau interferometers are crucial for high-precision surface measurements.
    • Phase shifting techniques enhance measurement accuracy but can introduce errors.

    Purpose of the Study:

    • To investigate and quantify errors associated with moving a spherical reference surface for phase shifting in Fizeau interferometry.
    • To understand the impact of spherical aberration on phase shift accuracy.

    Main Methods:

    • Theoretical analysis of optical path differences.
    • Simulation of phase shifts generated by a moving spherical surface.
    • Error propagation analysis.

    Main Results:

    • The movement of a spherical reference surface introduces predictable errors in phase shifts.
    • Spherical aberration significantly affects the accuracy of the generated phase shifts.
    • Quantified the relationship between surface geometry and introduced phase errors.

    Conclusions:

    • Moving spherical reference surfaces in Fizeau interferometers requires careful error correction.
    • Understanding these errors is vital for achieving high-accuracy optical measurements.
    • Further research into mitigating these specific errors is recommended.