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

Precision ranger for measuring large mechanical components.

Zhao-Fei Zhou1, Tao Zhang, Wei Huang

  • 1Institute of Applied Laser, Sichuan University, Chengdu, Sichuan 610065, China. zhfzhou@scu.edu.cn

Applied Optics
|September 29, 2004
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

Hypoxia training attenuates left ventricular remodeling in rabbit with myocardial infarction.

Journal of geriatric cardiology : JGC·2014
Same author

Imides modified benzopicenes: synthesis, solid structure and optoelectronic properties.

Organic & biomolecular chemistry·2014
Same author

An efficient identity-based key management scheme for wireless sensor networks using the Bloom filter.

Sensors (Basel, Switzerland)·2014
Same author

A rare variant in APOC3 is associated with plasma triglyceride and VLDL levels in Europeans.

Nature communications·2014
Same author

A new nodavirus is associated with covert mortality disease of shrimp.

The Journal of general virology·2014
Same author

Sensitive detection of trace amounts of KRAS codon 12 mutations by a fast and novel one-step technique.

Clinical biochemistry·2014
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 precision laser ranger for measuring large structures using beat-wave interferometry. The system achieves high accuracy (30 microm/10 m) without heavy machinery, enhancing industrial metrology.

Area of Science:

  • Metrology and Measurement Science
  • Optical Engineering
  • Applied Physics

Background:

  • Accurate measurement of large manufactured components and structures is crucial for quality control and assembly.
  • Traditional measurement systems often require extensive infrastructure or heavy machinery, limiting their applicability.
  • Beat-wave interferometry offers a potential high-precision, non-contact measurement technique.

Purpose of the Study:

  • To develop and present a novel precision laser ranger system.
  • To achieve high-accuracy measurements of large-scale objects.
  • To demonstrate a system that is compact and does not require heavy machinery.

Main Methods:

  • Development of a laser ranger system based on beat-wave interferometry.

Related Experiment Videos

  • Utilizing a frequency-stabilized laser operating in two coaxial longitudinal modes.
  • Implementation of an adaptive filter and wavelet-transform program for signal processing and accuracy enhancement.

    • Main Results:

    • The developed system operates within a measuring range of 0-20 meters.
    • Achieved a measuring uncertainty of 30 micrometers per 10 meters.
    • Demonstrated coaxial beam generation from a common resonator for improved performance.

    Conclusions:

    • The precision laser ranger system provides a viable solution for accurate, large-scale metrology.
    • The system's compact design and reliance on advanced signal processing offer practical advantages over conventional methods.
    • Beat-wave interferometry, enhanced by adaptive filtering and wavelet transforms, proves effective for high-precision distance measurements.