Speakers

Risky Nurseila Karthika, S.ST., M.Sc.

Directorate of Laboratory Management, Research Facilities, and Science Technology Parks (DPLFRKST) – National Research and Innovation Agency (BRIN), Indonesia

The Fundamentals of Nuclear Electronics in Radiation Measurement Systems

Abstract:
Radiation measurement systems rely on a critical, yet often under-discussed element, nuclear electronics. While radiation detectors convert physical interactions into measurable responses, the quality of dose and radiation-rate information ultimately depends on how nuclear electronics pulse shape, condition, then interpret detector signals. This presentation reviews the fundamentals behind reliable radiation monitoring, from the detector front-end to digitization, signal processing, calibration, and uncertainty control, within the framework of professional radiation protection.
The discussion introduces three widely used detector classes radiation detectors that based on gas ionization, scintillation, and semiconductor technologies, highlighting how each generates distinct signal types as charge pulses, light output, or electronic charge transport. These differences motivate specialized electronics, high-voltage biasing, preamplification, pulse shaping, noise reduction, discriminator logic, and rate/count conversion for radiation measurement systems. Particular attention is given to energy-dependent detector response, calibration factors, and the practical verification workflow that ensures instruments perform correctly in real operational environments.
By connecting nuclear instrumentation principles with practical radiation measurement systems such as survey meters, contamination monitors, and personal dosimetry, the session emphasizes a single goal, demonstrating how detector physics and nuclear electronics work together to provide accurate, real-time, and defensible radiation information.
Ultimately, these capabilities support informed decision-making, strengthen radiation protection programs, and promote the implementation of the ALARA principle in routine practice.

Keywords: nuclear electronics, nuclear instrumentation, radiation measurement systems, radiation detectors, radiation protection

Biography:
Risky Nurseila Karthika contributes to the advancement of nuclear instrumentation education through her work at the Nuclear Instrumentation Laboratory of the Polytechnic Institute of Nuclear Technology – BRIN. Her expertise encompasses nuclear electronics and instrumentation, radiation detection systems, radiation protection, spectroscopy, and practical nuclear education.

She is responsible for managing and developing laboratory facilities, designing practical exercises, and supporting educational activities related to radiation measurement and nuclear instrumentation. Her experience includes detector characterization, gamma spectrometry, calibration, and the development of laboratory modules that enhance hands-on learning in nuclear science and technology.
Risky has contributed to national and international training programs and serves as a laboratory instructor and facilitator in activities organized by the International Atomic Energy Agency. She is particularly interested in advancing laboratory-based learning and fostering knowledge transfer to support the next generation of nuclear professionals. Her work aims to bridge theoretical knowledge and practical skills in nuclear science and technology.​