A digitizer based compact digital spectrometer for ion beam analysis using Field Programmable Gate Arrays and various...

Area of Science:

• Nuclear Physics
• Materials Science
• Analytical Chemistry

Background:

• Nuclear microprobes are essential tools for ion beam analysis and imaging.
• Existing data acquisition systems can be limited by data stream size and processing power.

Purpose of the Study:

• To implement a compact, fully digital spectrometer and data acquisition system for nuclear microprobe applications.
• To enhance real-time data processing capabilities and system scalability.

Main Methods:

• Development of a multi-detector digital spectrometer with high-speed digitizer modules and Field Programmable Gate Arrays (FPGAs).
• Implementation of a user-definable infinite impulse response filter for optimal energy resolution.
• Integration of digital-to-analog converter (DAC) modules for control of ion beam scanning and data acquisition.

Main Results:

• The new system significantly reduces data stream and control computer CPU load through on-module processing.
• Achieved optimal energy resolution for various detector/preamplifier pulse shapes.
• The spectrometer is compact, scalable, and capable of processing diverse detector signals.

Conclusions:

• The implemented digital spectrometer offers a significant advancement for nuclear microprobe analysis.
• The system's design enables efficient, real-time data processing and analysis for various ion beam techniques.