Related Experiment Video
Updated: Jun 23, 2025

14:18
Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
Published on: February 28, 2016
11.4K
Underwater target laser polarization suppression scattering detection technology and verification
Qiang Fu1, Chao Dong1,2, Kaikai Wang1
1College of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun, China.
Plos One
|June 25, 2024
Summary
This study introduces a laser polarization underwater detection device that improves target identification accuracy in scattering environments. The developed device precisely detects underwater targets by suppressing scatter using polarized pulse signals.
Area of Science:
- Optics
- Oceanography
- Photonics
Background:
- Underwater target identification faces challenges due to strong scattering.
- Existing methods lack accuracy in turbid water conditions.
Purpose of the Study:
- To develop an advanced laser polarization underwater detection device.
- To enhance the accuracy of underwater target detection and identification.
Main Methods:
- Proposed a scheme for a laser polarization underwater detection device.
- Utilized polarized pulse signals to suppress scattering.
- Employed differential amplitude method for polarization measurement.
- Designed polarization-preserving optical detection systems.
Main Results:
- Successfully developed a laser polarization underwater detection device.
- Conducted underwater polarization detection experiments.
- Achieved precise detection of underwater targets.
- Demonstrated a root mean square error of less than 5.7% in polarization detection.
Conclusions:
- The developed underwater detection device accurately and precisely detects underwater targets.
- The technology effectively suppresses scattering for improved identification.
- This advancement offers a robust solution for underwater surveillance and exploration.

