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

Distance Measurements by Taping01:18

Distance Measurements by Taping

445
Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
445
Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

503
Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over...
503
Design Example: Measuring Distance Between Two Points with Obstructions01:10

Design Example: Measuring Distance Between Two Points with Obstructions

397
When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
397
Distance Problem01:29

Distance Problem

63
When an object's velocity changes over time, the total distance traveled can be determined by summing small displacement intervals over short increments. This approach approximates the true distance through numerical summation and the use of integral calculus. An estimate of the total displacement can be obtained by measuring velocity at regular intervals and multiplying each value by the corresponding time step.If a runner accelerates over the first three seconds of a race, speed measurements...
63
Distance Corrections01:15

Distance Corrections

282
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
282
The Distance Formula01:20

The Distance Formula

637
In geometry, measuring the direct distance between two points on a plane is essential in various practical and theoretical applications. Whether in navigation, engineering, or computer graphics, determining the shortest path between two locations involves using the distance formula. This formula is derived from the Pythagorean Theorem, which relates the lengths of the sides of a right triangle. On a coordinate plane, the horizontal and vertical distances between two points serve as the legs of...
637

You might also read

Related Articles

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

Sort by
Same author

New Rolling Circle Transcription Based on Allosteric Transcription Factors (aTFs) for Trace Detection of Water Contaminants.

Analytical chemistry·2025
Same author

Bicarbonate-Rich Mineral Water Mitigates Hypoxia-Induced Osteoporosis in Mice via Gut Microbiota and Metabolic Pathway Regulation.

Nutrients·2025
Same author

Enhanced Mechanical Properties and Sensing Performance of MXene-Based Dual-Crosslinked Hydrogel via EGCG Coating and Dynamic Covalent Bond.

Small (Weinheim an der Bergstrasse, Germany)·2025
Same author

Structure-Guided Engineering of Carbonyl Reductase <i>Lb</i>CR to Simultaneously Enhance Catalytic Activity and Thermostability toward Bulky Ketones.

Journal of agricultural and food chemistry·2025
Same author

Hydrogels with programmed spatiotemporal mechanical cues for stem cell-assisted bone regeneration.

Nature communications·2025
Same author

Hydrogels with prestressed tensegrity structures.

Nature communications·2025
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: Jan 27, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

9.6K

Underwater distance measurement using frequency comb laser.

Xiaoyu Zhai, Zhaopeng Meng, Haoyun Zhang

    Optics Express
    |March 17, 2019
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces frequency-comb interferometry for precise underwater distance measurement. The method achieves sub-100 μm accuracy over 8 meters, overcoming water dispersion challenges.

    More Related Videos

    Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies
    09:38

    Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

    Published on: December 18, 2015

    12.6K
    Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus SCUVA
    09:22

    Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus SCUVA

    Published on: October 31, 2011

    13.5K

    Related Experiment Videos

    Last Updated: Jan 27, 2026

    Generation and Coherent Control of Pulsed Quantum Frequency Combs
    06:42

    Generation and Coherent Control of Pulsed Quantum Frequency Combs

    Published on: June 8, 2018

    9.6K
    Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies
    09:38

    Characterizing Far-infrared Laser Emissions and the Measurement of Their Frequencies

    Published on: December 18, 2015

    12.6K
    Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus SCUVA
    09:22

    Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus SCUVA

    Published on: October 31, 2011

    13.5K

    Area of Science:

    • Optics
    • Oceanography
    • Metrology

    Background:

    • Accurate underwater distance measurement is crucial for various applications.
    • Traditional methods face challenges due to water's optical properties, such as dispersion.
    • Frequency-comb interferometry offers a potential solution for high-precision measurements.

    Purpose of the Study:

    • To theoretically and experimentally analyze frequency-comb interferometry at 518 nm for underwater distance measurement.
    • To investigate the impact of water dispersion on measurement accuracy.
    • To demonstrate high accuracy and precision in an underwater environment.

    Main Methods:

    • Time-domain analysis using pulse cross-correlation to obtain interferograms.
    • Frequency-domain analysis employing dispersive interferometry to observe spectrograms.
    • Utilizing the peak position of interferograms and the widest fringe of spectrograms for distance determination.

    Main Results:

    • Experimental results show a measurement difference within 100 μm at an 8-meter range compared to reference values.
    • Observed pulse broadening due to water dispersion was accounted for in the time-domain analysis.
    • Identified a balanced wavelength with the widest fringe in the frequency domain for accurate distance calculation.

    Conclusions:

    • Frequency-comb interferometry is a viable technique for high-accuracy underwater distance measurement.
    • The developed method effectively mitigates errors caused by water dispersion.
    • Achieved sub-100 μm accuracy demonstrates the potential for advanced underwater metrology.