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

262
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...
262
Distance Corrections01:15

Distance Corrections

196
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...
196
Errors in Global Positioning System01:26

Errors in Global Positioning System

237
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,...
237
Adjusting a Traverse01:12

Adjusting a Traverse

269
In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
269
Errors in Taping01:18

Errors in Taping

224
Errors in taping arise from multiple factors that can significantly impact measurement accuracy in surveying. Misalignment of the tape, often due to human error, is one primary source. A skilled rear tapeman, using a telescope, can help correct alignment by guiding the head tapeman; however, human limitations still lead to small inaccuracies. These errors may include misplacement of pins or inaccurate tape readings due to common visual confusions, such as mistaking a six for a nine. Such...
224

You might also read

Related Articles

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

Sort by
Same author

Dimensionality reduction in hyperspectral imaging using standard deviation-based band selection for efficient classification.

Scientific reports·2025
Same author

Phase manipulating Fresnel lenses for wide-field quantitative phase imaging.

Optics letters·2025
Same author

Velocity Estimation from LiDAR Sensors Motion Distortion Effect.

Sensors (Basel, Switzerland)·2023
Same author

A Methodology to Model the Rain and Fog Effect on the Performance of Automotive LiDAR Sensors.

Sensors (Basel, Switzerland)·2023
Same author

Performance Evaluation of MEMS-Based Automotive LiDAR Sensor and Its Simulation Model as per ASTM E3125-17 Standard.

Sensors (Basel, Switzerland)·2023
Same author

Low-cost scanning LIDAR architecture with a scalable frame rate for autonomous vehicles.

Applied optics·2023

Related Experiment Video

Updated: Dec 10, 2025

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

22.3K

Optical Setup for Error Compensation in a Laser Triangulation System.

Patrick Kienle1, Lorena Batarilo1, Markus Akgül1

  • 1Institute for Measurement Systems and Sensor Technology, Department of Electrical and Computer Engineering, Technical University of Munich, 80333 Munich, Germany.

Sensors (Basel, Switzerland)
|September 5, 2020
PubMed
Summary

This study introduces a novel optical setup for laser triangulation that uses a reference beam to compensate for environmental changes. This compensation significantly improves measurement accuracy and robustness in distance measurement applications.

Keywords:
absolute distance measurement (ADM)drift compensationerror compensationlaser driftlaser stabilitylaser triangulationmeasurement errortemperature stabilization

More Related Videos

Bringing the Visible Universe into Focus with Robo-AO
10:35

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

19.9K
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

10.2K

Related Experiment Videos

Last Updated: Dec 10, 2025

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

22.3K
Bringing the Visible Universe into Focus with Robo-AO
10:35

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

19.9K
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

10.2K

Area of Science:

  • Optics and Photonics
  • Metrology
  • Laser Technology

Background:

  • Laser triangulation is a widely used technique for absolute distance measurement, offering cost-effectiveness and high accuracy over short distances.
  • A key limitation of laser triangulation is its susceptibility to environmental changes, such as thermal expansion, which introduce significant measurement errors.
  • Existing methods often struggle to mitigate these environmental influences effectively, impacting the reliability of distance measurements.

Purpose of the Study:

  • To develop and validate a new optical compensation setup for laser triangulation systems.
  • To enhance the accuracy and robustness of absolute distance measurements against environmental disturbances.
  • To reduce measurement uncertainty in laser triangulation by actively compensating for error sources.

Main Methods:

  • Implementation of an optical setup utilizing a beam splitter and a mirror to generate a measurement and a reference laser beam.
  • Utilizing the reference beam to actively compensate for error sources like laser beam dithering and thermal expansion-induced shifts.
  • Validation through extensive simulations and experimental measurements of the compensation setup's performance.

Main Results:

  • The compensation setup demonstrated a significant improvement in static measurement deviation by up to 75%.
  • Measurement uncertainty was reduced to as low as 85 μm at a distance of 1 meter.
  • The proposed method effectively mitigates errors caused by optomechanical setup instability.

Conclusions:

  • The developed compensation setup enhances the accuracy and robustness of classical laser triangulation devices.
  • This approach makes laser triangulation systems more reliable under varying environmental conditions.
  • The findings contribute to advancing precision distance measurement technologies.