Related Experiment Video
Updated: Jun 16, 2026
09:57
Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems
Published on: February 10, 2020
Laser start-up system for magnetic mirror fusion
Applied Optics
|February 20, 2010
Summary
A new carbon dioxide (CO2) laser system generates high-power laser pulses for fusion energy research. This technology is scalable for future reactor applications.
Area of Science:
- Fusion Energy
- Plasma Physics
- Laser Technology
Background:
- Magnetic mirror fusion experiments require high-temperature plasmas for ignition.
- Efficient methods for generating these plasmas are crucial for advancing fusion energy research.
Purpose of the Study:
- To develop a carbon dioxide (CO2) laser system capable of producing hot start-up plasmas.
- To assess the applicability of the developed laser technology for reactor-scale fusion systems.
Main Methods:
- Utilized commercially available lasers to construct the CO2 laser system.
- Irradiated frozen ammonia pellets with laser power densities exceeding 10(13) W/cm(2) using 50-nanosecond pulses.
- Fabricated optical components through direct machining and standard techniques.
Main Results:
- Successfully developed a CO2 laser system for generating hot start-up plasmas.
- Achieved high laser power density (over 10(13) W/cm(2)) on target.
- Demonstrated the fabrication of necessary optical components.
Conclusions:
- The developed CO2 laser system is effective for creating hot start-up plasmas for magnetic mirror fusion.
- The technologies employed are directly transferable to reactor-scale fusion energy systems.
