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High average power, highly brilliant laser-produced plasma source for soft X-ray spectroscopy
Ioanna Mantouvalou1, Katharina Witte1, Daniel Grötzsch1
1Institute for Optics and Atomic Physics, Technical University of Berlin, 10623 Berlin, Germany.
The Review of Scientific Instruments
|April 3, 2015
Summary
A new laser-produced plasma source provides stable, cost-effective pulsed soft X-rays (100-1200 eV). Its design enables long operation and simultaneous experiments, demonstrating potential for X-ray spectroscopy applications.
Area of Science:
- Atomic and Molecular Physics
- Plasma Physics
- X-ray Science
Background:
- Soft X-ray sources are crucial for spectroscopy and material analysis.
- Existing sources often face limitations in stability, operating hours, or cost-effectiveness.
Purpose of the Study:
- To develop a novel laser-produced plasma source for pulsed broadband soft X-radiation.
- To achieve high stability, long operating hours, and cost-effectiveness.
- To demonstrate the source's utility in soft X-ray spectroscopy.
Main Methods:
- Utilized a rotating and translating metal target for plasma generation.
- Implemented an on-line monitoring device with a four-quadrant extreme ultraviolet diode and pinhole camera for stability control.
- Characterized source position and emission stability.
- Performed near-edge X-ray absorption fine structure (NEXAFS) spectroscopy on polyimide foil.
Main Results:
- The developed source delivers pulsed broadband soft X-rays from 100 to 1200 eV.
- High stability was achieved through the integrated on-line monitoring system.
- The source demonstrated reliable performance with various laser pulse durations and target materials.
- Successful application in NEXAFS spectroscopy confirmed the source's potential.
Conclusions:
- The novel laser-produced plasma source offers a stable, cost-effective, and versatile platform for soft X-ray applications.
- The source's design and performance characteristics make it suitable for demanding experimental requirements.
- This development advances capabilities in soft X-ray spectroscopy and related research fields.
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