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

You might also read

Related Articles

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

Sort by

Same author

Enhanced invasiveness promotes the dominance of a widely-distributed carbapenem-resistant virulence-plasmid-carrying Klebsiella pneumoniae sublineage.

Nature communications·2026

Same author

Examination and therapeutic evaluation of individuals afflicted with profound thrombocytopenia triggered by tirofiban: A retrospective cohort study.

Medicine·2026

Same author

Consistency versus variability: Contrasting microbial ecological strategies of anaerobic digestion and activated sludge systems in full-scale Baijiu distillery wastewater treatment plants.

Water research·2026

Same author

Structural composition and functional diversities of G proteins in fungi.

Mycology·2026

Same author

Safety evaluation of subcutaneous and intravenous administration of infliximab: a real-world study based on the FAERS database.

Frontiers in medicine·2026

Same author

Associations Between Serum Liver Enzymes and the Rupture Status of Intracranial Aneurysms.

Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists·2026

Search research articles

Related Experiment Video

Updated: Jun 3, 2025

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

Structural Design and Simulation of Multi-Detector Same-Platform Laser Gyro Reflector Substrate Defect Detection

Jun Wang^1,2,3, Zhenyang Li^2,3, Maoxin Song^2,3

¹University of Science and Technology of China, Hefei 230026, China.

|January 8, 2025

Summary

This summary is machine-generated.

This study introduces a prototype for detecting defects in laser gyroscope mirror substrates, achieving over 170 nm resolution. The stable design ensures reliable optical performance testing for critical laser gyroscope manufacturing.

Keywords:

fusion of light and dark fields laser gyro multi-detector same platform patterned and unpatterned defect detection structural design

More Related Videos

Author Spotlight: Advancing Knowledge in Far-From-Equilibrium Materials Through Light-Sheet Microscopy

Author Spotlight: Advancing Knowledge in Far-From-Equilibrium Materials Through Light-Sheet Microscopy

Published on: January 26, 2024

A Protocol for Real-time 3D Single Particle Tracking

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

Related Experiment Videos

Last Updated: Jun 3, 2025

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Subsurface Defect Localization by Structured Heating Using Laser Projected Photothermal Thermography

Published on: May 15, 2017

Author Spotlight: Advancing Knowledge in Far-From-Equilibrium Materials Through Light-Sheet Microscopy

Author Spotlight: Advancing Knowledge in Far-From-Equilibrium Materials Through Light-Sheet Microscopy

Published on: January 26, 2024

A Protocol for Real-time 3D Single Particle Tracking

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

Area of Science:

Optical Engineering
Materials Science
Metrology

Background:

Accurate defect detection is vital for manufacturing super-high reflector mirrors used in laser gyroscope systems.
Existing methods may lack the resolution or versatility for complex mirror substrates.

Purpose of the Study:

To present a prototype system for defect detection and classification on laser gyroscope mirror substrates.
To validate the prototype's performance for both reflection and transmission measurements on patterned and unpatterned surfaces.

Main Methods:

Developed a prototype with dual bright field and dark field measurement channels.
Utilized Ansys software for structural simulation of key components under transportation conditions.
Conducted experimental testing using laser gyroscope reflector substrates and USAF 1951 plates.

Main Results:

Ansys simulations confirmed prototype stability with a maximum static deformation of 4.65 μm and a resonant frequency above 230 Hz.
Experimental tests demonstrated effective defect detection on both reflection and transmission surfaces.
Achieved a defect detection resolution exceeding 170 nm, meeting design specifications.

Conclusions:

The prototype demonstrates robust structural stability suitable for optical performance testing.
The system effectively detects sub-micron defects on laser gyroscope mirror substrates.
The developed prototype meets the stringent requirements for laser gyroscope manufacturing.