Photon Doppler Velocimetry, PDV Photon Doppler Velocimetry (PDV) is a one-dimensional Fourier transform analysis of a heterodyne laser interferometry signal. It was developed at Lawrence Livermore National Laboratory. PDV is often used in the shock physics community as a complement to or replacement ...
Learn about Photonic Doppler Velocimetry (PDV) & how it allows accurate velocity measurement of materials subjected to shock events.
VISAR; Velocimeter; Doppler; Photodetector; Ultrafast; Laser; PDV; Heterodyne; Photonics; Interferometer;Detectors;Infrared Detectors;Photodiode Detectors;Picosecond Detectors;Semiconductor Detectors;Fiber Optic Detectors;Fiber Optic Receivers;Fiber Optic Interferometers;Laser Systems;Velocimetry Laser Systems;Vibrat...
B. Vunni, "Photon Doppler Velocimetry (PDV) Characterization of Shaped Charge Jet Formation," Proc. 12th Hypervelocity Impact Symp., vol. 58, no. 0, pp. 88-97, 2013.Zellner, M.B., Vunni, G.B., 2013. Photon Doppler Velocimetry (PDV) Characterization of Shaped Charge Jet Formation, ...
A modified Planar Doppler Velocimetry (PDV) technique, two frequency PDV (2v-PDV), is described that allows measurements of the velocity field over a plane defined by a laser light sheet using sequential illumination of the flow with two closely separated (&IGHz) frequencies of laser light. ...
Photon Doppler Velocimetry, PDV Photon Doppler Velocimetry (PDV) is a one-dimensional Fourier transform analysis of a heterodyne laser interferometry signal. It was developed at Lawrence Livermore National Laboratory. PDV is often used in the shock physics community as a complement to or replacement ...
Disclosed is a photonic doppler velocimetry (PDV) system for ultra-high-speed instantaneous measurement, relating to laser velocity interferometry. The PDV system includes a laser v
Photonic Doppler velocimetry (PDV)Velocity measurementsVelocity measurements of fast-moving objects are essential to a growing number of geotechnical applications. A photonic Doppler velocimeter (PDV) was configured to acquire the velocity–time history of a decelerating projectile from impact into soil ...
Photon Doppler Velocimetry was used to characterize the early time formation of the jet from a 65-mm diameter shaped charge with a copper liner. This tool provided a high fidelity, high temporal resolution technique to characterize the axial velocity evolution of the shaped charge jet's first ...
Photonic Doppler Velocimetry(PDV)PhotonsRodsVelocityWavesIn this presentation we will discuss the use of Photonic Doppler Velocimetry (PDV) in the following gas-gun applications. (1) Projectile velocity and impact time measurement. (2) Projectile launch and acceleration in a 2-stage gas gun. (3)...