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Related Experiment Video

Updated: Mar 12, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

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Published on: February 4, 2017

Pulse-compression ghost imaging lidar via coherent detection.

Chenjin Deng, Wenlin Gong, Shensheng Han

|November 19, 2016

Summary

This summary is machine-generated.

Pulse-compression ghost imaging (GI) lidar enhances remote sensing by combining pulse compression and coherent detection. This novel lidar system improves target detection sensitivity and range, offering a significant advancement over conventional pulsed GI lidar.

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Area of Science:

Optics and Photonics
Remote Sensing Technology
Lidar Systems

Background:

Ghost imaging (GI) lidar is an emerging remote sensing technique.
Conventional pulsed GI lidar systems face limitations in sensitivity and range.

Purpose of the Study:

To introduce a novel lidar system: pulse-compression GI lidar.
To demonstrate its capability in obtaining target spatial intensity distribution, range, and velocity.

Main Methods:

Integration of pulse-compression technique with coherent detection and GI.
Analytical modeling and numerical simulations to validate system performance.

Main Results:

Pulse-compression GI lidar achieves high single pulse energy using long pulses without sacrificing range resolution.
Coherent detection mechanism effectively suppresses stray light interference.
Improved detection sensitivity and extended detection range compared to conventional pulsed GI lidar.

Conclusions:

Pulse-compression GI lidar offers superior performance for remote sensing applications.
The system provides comprehensive target information, including spatial distribution, range, and velocity.
This technique represents a significant advancement in lidar technology for enhanced detection capabilities.