Laser-induced shock wave two-dimensional extraction technology based on a beam deflection method.

Area of Science:

• Physics
• Materials Science
• Engineering

Background:

• High-speed cameras are traditionally used for shock wave analysis.
• Analyzing spatiotemporal progression of laser-induced shock waves is crucial for understanding material behavior under extreme conditions.
• Existing methods can be expensive and complex.

Purpose of the Study:

• To introduce and validate a novel beam deflection technique for analyzing laser-induced shock waves.
• To provide a cost-effective and reliable alternative to high-speed imaging for shock wave studies.
• To measure and reconstruct shock wave velocities and trajectories.

Main Methods:

• Utilizing the beam deflection technique to detect and analyze shock wave propagation.
• Measuring detection signals at various distances and energy levels.
• Extracting and reconstructing shock wave velocities and trajectories.
• Comparing results with traditional high-speed camera measurements.

Main Results:

• Demonstrated successful detection of shock waves using the beam deflection method.
• Accurately measured shock wave velocities and propagation trajectories in air from various materials.
• Validated the technique by comparing results with high-speed camera data.
• Successfully predicted macroscopic detonation velocities of energetic materials.

Conclusions:

• The beam deflection technique offers a reliable and cost-effective method for studying laser-induced shock waves.
• This method provides accurate measurements of shock wave evolution, replacing the need for high-speed cameras.
• The technique has significant potential applications in materials science, engineering, and defense industries.