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Extreme measurements with Photonic Doppler Velocimetry (PDV)
1Sandia National Laboratories, Albuquerque, New Mexico 87185, USA.
The Review of Scientific Instruments
|June 4, 2020
Summary
Photonic Doppler Velocimetry (PDV) enables precise measurement of extreme conditions in high-speed impacts and detonations. This review covers its development, operation, and challenges for velocities over 1 km/s.
Area of Science:
- * Physics
- * Optics
- * Materials Science
Background:
- * Photonic Doppler Velocimetry (PDV) is a key diagnostic tool for studying extreme conditions.
- * Applications include high-speed impact, explosive detonation, pulsed power, and laser ablation.
- * Early PDV measurements were limited, with practical application above 1 km/s emerging in the 21st century.
Purpose of the Study:
- * To review the evolution and advancements in Photonic Doppler Velocimetry.
- * To detail the operational principles and practical analysis techniques for PDV.
- * To identify and discuss the current challenges and future directions in PDV technology.
Main Methods:
- * Review of scientific literature and historical development of PDV.
- * Analysis of the optical Doppler effect as applied in PDV.
- * Examination of practical considerations for high-velocity measurements.
Main Results:
- * PDV has evolved significantly, becoming practical for velocities exceeding 1 km/s.
- * The review provides a comprehensive overview of PDV's operational details and analysis methods.
- * Key challenges and areas for future research in PDV are highlighted.
Conclusions:
- * Photonic Doppler Velocimetry is a vital technique for characterizing extreme physical phenomena.
- * Continued development is necessary to address existing challenges and expand PDV capabilities.
- * The review serves as a foundational resource for researchers utilizing PDV.
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