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Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry
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A source to deliver mesoscopic particles for laser plasma studies.
1Tata Institute of Fundamental Research, 21, Brundhavan Colony, Hyderabad 500075, India.
The Review of Scientific Instruments
|March 3, 2017
Summary
Researchers developed a microparticle delivery system for laser plasma studies. This system enables precise control over target properties, leading to efficient X-ray generation from boric acid microcrystals.
Area of Science:
- Physics
- Plasma Physics
- Materials Science
Background:
- Intense ultrashort lasers generate plasmas emitting X-rays, electrons, and ions.
- Laser-plasma interaction is sensitive to target parameters like size, shape, and composition.
- Tailoring laser-plasma sources requires control over the absorbing matter.
Purpose of the Study:
- To develop a mechanism for delivering microparticles into a vacuum jet for laser plasma acceleration.
- To characterize the delivery system's performance for laser plasma applications.
- To investigate X-ray emission from laser-irradiated microcrystals.
Main Methods:
- Development of a microparticle delivery system for effusive jet generation in vacuum.
- Characterization of the delivery system: particle density, size distribution, and operational duration.
- Laser plasma experiments using boric acid microcrystals as targets.
Main Results:
- Successful characterization of the microparticle delivery system for laser plasma studies.
- Demonstration of X-ray emission up to 100 keV from boric acid microcrystals.
- Achieved significant X-ray generation at moderate laser intensities (10^16 W/cm^2).
Conclusions:
- The developed microparticle delivery system is suitable for laser plasma acceleration studies.
- Microcrystals offer a promising target platform for generating high-energy X-rays.
- This approach facilitates the development of tailored laser-plasma sources for specific applications.
