Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Galvanometer

Galvanometer

Common devices, including car instrument panels, battery chargers, and inexpensive electrical instruments, measure potential difference (voltage), current, or resistance using a d'Arsonval galvanometer. This electromechanical instrument is also known as a moving coil galvanometer.
The galvanometer consists of two concave-shaped permanent magnets, providing a uniform radial magnetic field in the annular region. In the center, a pivoted coil of fine copper wire is placed in the uniform...

Gyroscope: Precession

Gyroscope: Precession

Precession can be demonstrated effectively through a spinning top. If a spinning top is placed on a flat surface near the surface of the Earth at a vertical angle and is not spinning, it will fall over due to the force of gravity producing a torque acting on its center of mass. However, if the top is spinning on its axis, it precesses about the vertical direction, rather than topple over due to this torque. Precessional motion is a combination of a steady circular motion of the axis and the...

Adjusting a Traverse

Adjusting a Traverse

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...

Electronic Distance Measuring Instruments

Electronic Distance Measuring Instruments

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 short...

You might also read

Related Articles

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

Sort by

Same author

Cobalt-porphyrin/Bi<sub>19</sub>S<sub>27</sub>Br<sub>3</sub> nanorods enable photocatalytic CO<sub>2</sub> reduction to C<sub>2</sub>H<sub>4</sub>.

Chemical communications (Cambridge, England)·2026

Same author

LysePred: A Multiscale Convolutional Neural Network for Predicting Hemolytic Activity of Antimicrobial Peptides.

ACS synthetic biology·2026

Same author

Sowing Ru atoms on defect CoAl LDHs for boosting alkaline water splitting.

Chemical communications (Cambridge, England)·2026

Same author

The Impact of Cervical Cytology Category Imbalance on Self-Supervised Representation Learning.

Computational and structural biotechnology journal·2026

Same author

Digital Counting of Quantum Dots Nanobeads on Lateral Flow Test Strips Enables Ultrasensitive Point-of-Care Diagnostics.

Analytical chemistry·2026

Same author

Kidney neural diversity and blood pressure regulation: resolving controversies and guiding hypertension therapy.

Kidney international·2026

Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026

Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026

Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026

Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026

Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026

Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 13, 2025

Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques

Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques

Published on: April 4, 2017

High-precision angle error compensation method for a Dove prism scanning system based on galvanometers.

Huaming Li, Yu Wang, Junwen Lu

|September 13, 2024

Summary

This summary is machine-generated.

This study introduces a novel method to correct angle errors in Dove prisms using galvanometers. This technique enhances scanning precision, expanding applications for high-accuracy optical systems.

More Related Videos

Video-rate Scanning Confocal Microscopy and Microendoscopy

Video-rate Scanning Confocal Microscopy and Microendoscopy

Published on: October 20, 2011

Bringing the Visible Universe into Focus with Robo-AO

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

Related Experiment Videos

Last Updated: Jun 13, 2025

Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques

Gain-compensation Methodology for a Sinusoidal Scan of a Galvanometer Mirror in Proportional-Integral-Differential Control Using Pre-emphasis Techniques

Published on: April 4, 2017

Video-rate Scanning Confocal Microscopy and Microendoscopy

Video-rate Scanning Confocal Microscopy and Microendoscopy

Published on: October 20, 2011

Bringing the Visible Universe into Focus with Robo-AO

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

Area of Science:

Optics
Optical Engineering
Precision Measurement

Background:

Dove prisms are optical components crucial for scanning applications.
Manufacturing and installation errors lead to angle and shift errors in Dove prisms.
These errors significantly distort scanning trajectories, limiting precision.

Purpose of the Study:

To propose and validate a method for compensating angle errors in Dove prisms.
To enhance the precision of scanning trajectories generated by Dove prisms.
To offer a calibration-free solution for Dove prism error correction.

Main Methods:

Angle errors are identified by analyzing distorted scanning trajectories.
Galvanometers are synchronized with Dove prism rotation to dynamically correct errors.
The method avoids complex mechanical adjustments, simplifying calibration.

Main Results:

The proposed method effectively compensates for angle errors in Dove prisms.
Experimental results show angle error reduction to below 17 µrad.
The technique enables high-precision scanning capabilities.

Conclusions:

The galvanometer-based compensation method significantly improves Dove prism accuracy.
This approach broadens the applicability of Dove prisms in high-precision scanning fields.
The method provides a convenient and effective solution for optical system calibration.