Note: A two-dimensional position-sensitive micro-channel plate detector with a cross-connected-pixels resistive anode...

Area of Science:

• Physics
• Instrumentation Science

Background:

• Accurate detection and localization of charged particles are crucial in various scientific fields.
• Existing detector systems may face limitations in terms of size, resolution, or electronic integration.

Purpose of the Study:

• To develop a compact and high-resolution detector system for charged particles.
• To integrate novel components for improved performance and direct digital conversion.

Main Methods:

• Utilized the charge-division method for position sensing.
• Incorporated a pair of micro-channel plates and a novel two-dimensional position-sensitive resistive anode.
• Developed specialized front-end electronics for direct analog-to-digital converter (ADC) driving.

Main Results:

• The detector system demonstrated a position resolution better than 0.3 mm.
• Achieved a maximum distortion within 0.5 mm over an active diameter of 100 mm.
• Successfully tested using an Americium-241 (241Am) alpha (α) source.

Conclusions:

• The developed compact detector system offers high position resolution and low distortion.
• The integrated design with specialized electronics facilitates direct digital data acquisition.
• This system presents a promising advancement for charged particle detection applications.