Capturing 1D motion in compressed material
At Sydor Technologies, we develop diagnostic solutions for extreme physics environments. Line VISAR (Velocity Interferometer System for Any Reflector) is a critical tool for measuring shock-induced motion in materials with high temporal and spatial resolution. An interferometer with a probe laser reflecting off of a compressed surface shows motion as a shift in the interference fringes. A streak camera records this pattern at every point in time and sweeps that signal to create an image of velocity vs time. In this way, line VISAR enables researchers to visualize dynamic events that occur in nanoseconds may include non-uniform motion, such as a discontinuity in velocity at a shock front.
Line VISAR – Time-Resolved Velocity Mapping for Dynamic Experiments
When materials are subjected to high-pressure, high-velocity events, understanding their response requires diagnostics that are both precise and fast. Line VISAR provides a continuous velocity profile along a line, making it possible to analyze non-uniform motion, wavefront propagation, and material response under extreme conditions.
Essential for High-Energy-Density Dynamic Experiments
Line VISAR enables insight into material behavior under conditions that are otherwise impossible to study. From impact and detonation to pulsed power and high-energy-density physics (HEDP), Line VISAR is a vital tool for experiments where conventional diagnostics cannot resolve the necessary temporal or spatial detail. Whether you’re validating equation of state models or optimizing capsule design, spatially resolved velocity data is essential to understanding performance, failure, and hydrodynamic motion. Sydor Technologies provides critical VISAR subsystems, from timing and calibration tools to streak camera integration, delivering end-to-end performance for demanding experimental setups.
Sydor Capabilities
Sydor Technologies provides the highest resolution, lowest noise streak cameras for Line VISAR systems, 20+ years of experience supporting Line VISAR experiments, as well as components tailored to the needs of high-speed, high-precision diagnostics. Key application capabilities include:
- Spatially Resolved Velocity Interferometry – Capture velocity variation along a target surface or structure in a single shot.
- High Temporal Resolution – Resolve nanosecond-scale motion critical for inertial confinement fusion (ICF) and pulsed power research.
- Integrated Delay and Timing Systems – Ensure precise synchronization with laser or pulsed power events.
- DynaCal – The dynamic optical calibration module allows for temporal and spatial calibrations before each experiment.
- Custom Optical and Detection Design – Adapt to challenging environments with ruggedized, field-proven optical systems.
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